mtsd/backend/app/api/admin.py

"""运营端接口"""
import json
import random
import string
import uuid
from typing import Optional, List, Any, Tuple
from datetime import datetime
from decimal import Decimal

from fastapi import APIRouter, Depends, HTTPException, Query, Request, UploadFile, File, Form
from sqlalchemy.orm import Session
from sqlalchemy import and_, or_, func
from sqlalchemy.exc import IntegrityError

from app.core.database import get_db
from app.core.auth import get_current_user
from app.core.security import get_password_hash, verify_password
from app.core.response import success_response, error_response
from app.core.storage import storage
from app.models.models import (
    SysUser, SysRegion, BasProductCategory, BasProductUnit, BasProduct,
    SysUserRegionScope, SysUserRegionScopeHis,
    SysMenu, SysUserMenuScope, SysUserMenuScopeHis,
    BizOrder, BizOrderItem, BizPriceList, BizPriceListItem,
    OrdClientSettlement, OrdClientSettlementItem,
    OrdSupplierSettlement, OrdSupplierSettlementItem,
)
from app.api.upload import validate_file, ALLOWED_IMAGE_TYPES, MAX_IMAGE_SIZE
from app.crud.region import region_crud
from app.crud.category import category_crud
from app.crud.unit import unit_crud
from app.crud.user import user_crud
from app.crud.password_history import password_history_crud
from app.crud.product import product_crud
from app.crud.address import address_crud
from app.core.utils import generate_id
from app.services.china_region_tree import get_china_region_tree_cached

router = APIRouter(prefix="/web/admin", tags=["运营端管理接口"])


def _numeric_to_float_optional(v) -> Optional[float]:
    if v is None:
        return None
    return float(v)


def _category_path_display(db: Session, category_id: Optional[str]) -> str:
    """一级/二级分类用 / 连接（自底向上回溯父级）。"""
    if not category_id:
        return ""
    names: List[str] = []
    cid = str(category_id).strip()
    seen = set()
    depth = 0
    while cid and depth < 24 and cid not in seen:
        seen.add(cid)
        cat = category_crud.get(db, cid)
        if not cat:
            break
        names.insert(0, (getattr(cat, "name", None) or "").strip())
        pid = getattr(cat, "parent_id", None)
        cid = str(pid).strip() if pid else ""
        depth += 1
    return "/".join([n for n in names if n])


def _supplier_pickup_address_block(db: Session, supplier_id: Optional[str]) -> dict:
    """供应商默认取货地址；无默认时取第一条 pickup 类型地址。"""
    empty = {"fullAddress": None, "contactPerson": None, "contactPhone": None}
    if not supplier_id:
        return empty
    addr = address_crud.get_default(db, supplier_id, "pickup")
    if not addr:
        rows = address_crud.get_by_user_and_type(db, supplier_id, "pickup")
        addr = rows[0] if rows else None
    if not addr:
        return empty
    segs = [
        getattr(addr, "province", None),
        getattr(addr, "city", None),
        getattr(addr, "district", None),
        getattr(addr, "detail_address", None),
    ]
    full = "".join(s for s in segs if s)
    return {
        "fullAddress": full or None,
        "contactPerson": addr.contact_person,
        "contactPhone": addr.contact_phone,
    }


def require_admin(current_user: dict = Depends(get_current_user)):
    """验证运营人员权限（admin / super_admin）"""
    if current_user.get("role") not in {"admin", "super_admin"}:
        raise HTTPException(status_code=403, detail="需要运营人员权限")
    return current_user


def get_admin_region_filter(db: Session, current_user: dict) -> Optional[str]:
    """兼容旧逻辑：返回单区域过滤ID。多区域场景返回排序后首个区域。"""
    allowed = get_admin_allowed_region_ids(db, current_user)
    if allowed is None:
        return None
    if not allowed:
        return None
    return sorted(allowed)[0]


def get_admin_allowed_region_ids(db: Session, current_user: dict) -> Optional[set[str]]:
    """获取管理员允许访问的区域集合。

    - super_admin: 返回 None（表示不限制）
    - admin: 返回可访问区域集合（多区域）
    """
    user_id = current_user.get("user_id")
    if not user_id:
        return set()

    if current_user.get("role") == "super_admin":
        return None

    user = user_crud.get(db, user_id)
    if not user:
        return set()

    scopes = (
        db.query(SysUserRegionScope.region_id)
        .filter(
            SysUserRegionScope.user_id == user_id,
            SysUserRegionScope.is_del == 0,
        )
        .all()
    )
    scope_ids = {str(row[0]).strip() for row in scopes if row and row[0]}
    if scope_ids:
        return scope_ids

    # 向后兼容：若尚未配置多区域表，沿用 sys_user.region_id
    if user.region_id:
        return {str(user.region_id)}

    return set()


def _effective_settlement_region_id(
    admin_region_id: Optional[str],
    tab_or_filter_region_id: Optional[str],
) -> Optional[str]:
    """结算相关接口：区域管理员固定为其绑定区域；超级管理员可按 Tab 的 regionId 筛选。"""
    if admin_region_id:
        return admin_region_id
    return tab_or_filter_region_id or None


def _aggregate_client_settlement_history(
    db: Session,
    eff_region_id: Optional[str],
    client_id: Optional[str],
) -> Tuple[float, int]:
    """已生成客户结算单：结算金额合计、订单笔数合计（与结算单主表 order_count 汇总一致）。"""
    q = db.query(
        func.coalesce(func.sum(OrdClientSettlement.total_amount), 0),
        func.coalesce(func.sum(OrdClientSettlement.order_count), 0),
    ).filter(OrdClientSettlement.is_del == 0)
    if client_id:
        q = q.filter(OrdClientSettlement.client_id == client_id)
    if eff_region_id:
        sub = (
            db.query(OrdClientSettlementItem.settlement_id)
            .join(BizOrder, BizOrder.id == OrdClientSettlementItem.order_id)
            .filter(
                OrdClientSettlementItem.is_del == 0,
                BizOrder.is_del == 0,
                BizOrder.region_id == eff_region_id,
            )
            .distinct()
        )
        q = q.filter(OrdClientSettlement.id.in_(sub))
    row = q.one()
    return float(row[0] or 0), int(row[1] or 0)


def _aggregate_supplier_settlement_history(
    db: Session,
    eff_region_id: Optional[str],
    supplier_id: Optional[str],
) -> Tuple[float, int]:
    """已生成供应商结算单：结算金额合计、订单笔数合计。"""
    q = db.query(
        func.coalesce(func.sum(OrdSupplierSettlement.total_amount), 0),
        func.coalesce(func.sum(OrdSupplierSettlement.order_count), 0),
    ).filter(OrdSupplierSettlement.is_del == 0)
    if supplier_id:
        q = q.filter(OrdSupplierSettlement.supplier_id == supplier_id)
    if eff_region_id:
        sub = (
            db.query(OrdSupplierSettlementItem.settlement_id)
            .join(BizOrder, BizOrder.id == OrdSupplierSettlementItem.order_id)
            .filter(
                OrdSupplierSettlementItem.is_del == 0,
                BizOrder.is_del == 0,
                BizOrder.region_id == eff_region_id,
            )
            .distinct()
        )
        q = q.filter(OrdSupplierSettlement.id.in_(sub))
    row = q.one()
    return float(row[0] or 0), int(row[1] or 0)


_REGION_MINUTES_UNSET = object()


def _minutes_value_from_request(request: dict, camel: str, snake: str):
    """解析区域配送相关分钟配置；键不存在返回 _REGION_MINUTES_UNSET，空值为 None。"""
    if camel not in request and snake not in request:
        return _REGION_MINUTES_UNSET
    raw = request.get(camel, request.get(snake))
    if raw is None or raw == "":
        return None
    try:
        n = int(raw)
    except (TypeError, ValueError):
        raise ValueError("预计配送时长、预警提前时间须为非负整数（分钟）")
    if n < 0:
        raise ValueError("预计配送时长、预警提前时间须为非负整数（分钟）")
    return n


def _apply_region_minutes_to_data(request: dict, data: dict):
    """将 expectedDeliveryMinutes / deliveryWarnAdvanceMinutes 写入 data（字典为 create_data 或 update_data）。失败返回 error_response 的 dict。"""
    try:
        ed = _minutes_value_from_request(
            request, "expectedDeliveryMinutes", "expected_delivery_minutes"
        )
        wa = _minutes_value_from_request(
            request, "deliveryWarnAdvanceMinutes", "delivery_warn_advance_minutes"
        )
    except ValueError as e:
        return error_response(400, str(e))
    if ed is not _REGION_MINUTES_UNSET:
        data["expected_delivery_minutes"] = ed
    if wa is not _REGION_MINUTES_UNSET:
        data["delivery_warn_advance_minutes"] = wa
    return None


def _resolve_admin_payload_with_crypto_fallback(request: dict, current_user: dict):
    """兼容明文/密文请求，返回业务 payload。失败时返回 error_response。"""
    req_dict = request if isinstance(request, dict) else {}
    # 若是密文信封，优先走兜底解密（避免把 enc/ts/nonce/edata 误当成业务 payload）。
    if (
        isinstance(req_dict, dict)
        and req_dict.get("enc") == 1
        and req_dict.get("edata")
    ):
        try:
            from app.core import api_crypto
            from app.core.config import settings

            ts = req_dict.get("ts")
            nonce = req_dict.get("nonce")
            edata = req_dict.get("edata")
            operator_user_id = current_user.get("user_id") if isinstance(current_user, dict) else None
            fixed_secret = getattr(settings, "API_ENCRYPT_FIXED_SECRET", "") or ""
            if not (fixed_secret and operator_user_id and ts is not None and nonce):
                return {}, error_response(400, "密文解析配置缺失")

            key = api_crypto.derive_key(
                fixed_secret=fixed_secret,
                user_id=str(operator_user_id),
                ts=int(ts),
                nonce=str(nonce),
            )
            plain = api_crypto.decrypt_json(str(edata), key)
            resolved = plain.get("data", plain) if isinstance(plain, dict) else {}
            if isinstance(resolved, dict):
                return resolved, None
            return {}, error_response(400, "密文解密后数据格式错误")
        except Exception as exc:
            return {}, error_response(400, f"密文解密失败: {exc}")

    payload = req_dict.get("data", req_dict) if isinstance(req_dict, dict) else {}
    return payload if isinstance(payload, dict) else {}, None


# ============ 中国行政区划（省市区，bas_china_region）============


@router.get("/china-region-tree", response_model=dict)
def get_china_region_tree_admin(
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """省市区三级树，供运营端级联选择器等使用（数据源 bas_china_region）。"""
    return success_response({"tree": get_china_region_tree_cached(db)})


# ============ 区域管理 ============


@router.get("/regions", response_model=dict)
def list_regions(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    isActive: Optional[bool] = Query(None, description="是否启用"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取区域列表"""
    query = db.query(SysRegion).filter(SysRegion.is_del == 0)
    
    if keyword:
        query = query.filter(
            (SysRegion.name.like(f"%{keyword}%")) | 
            (SysRegion.code.like(f"%{keyword}%"))
        )
    if isActive is not None:
        query = query.filter(SysRegion.is_active == isActive)
    
    total = query.count()
    skip = (page - 1) * pageSize
    regions = query.order_by(SysRegion.sort_order.asc()).offset(skip).limit(pageSize).all()
    
    return success_response({
        "list": [{"id": r.id, "name": r.name, "code": r.code, "description": r.description,
                  "sortOrder": r.sort_order,
                  "expectedDeliveryMinutes": r.expected_delivery_minutes,
                  "deliveryWarnAdvanceMinutes": r.delivery_warn_advance_minutes,
                  "isActive": r.is_active,
                  "createAt": str(r.create_at) if r.create_at else None} for r in regions],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/regions/active", response_model=dict)
def list_active_regions(
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取所有启用区域（用于下拉选择）"""
    regions = region_crud.get_active_all(db)
    return success_response([{"id": r.id, "name": r.name, "code": r.code} for r in regions])


@router.get("/regions/{region_id}", response_model=dict)
def get_region(
    region_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取区域详情"""
    region = region_crud.get(db, region_id)
    if not region:
        return error_response(404, "区域不存在")
    return success_response({
        "id": region.id,
        "name": region.name,
        "code": region.code,
        "description": region.description,
        "sortOrder": region.sort_order,
        "expectedDeliveryMinutes": region.expected_delivery_minutes,
        "deliveryWarnAdvanceMinutes": region.delivery_warn_advance_minutes,
        "isActive": region.is_active,
        "createAt": str(region.create_at) if region.create_at else None,
        "createBy": region.create_by,
        "createName": region.create_name
    })


@router.post("/regions", response_model=dict)
def create_region(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建区域"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    # 检查编码唯一性
    existing = region_crud.get_by_code(db, request.get("code"))
    if existing:
        return error_response(400, "区域编码已存在")

    # 字段名映射
    create_data = {
        "name": request.get("name"),
        "code": request.get("code"),
        "description": request.get("description"),
    }
    if "sortOrder" in request or "sort_order" in request:
        create_data["sort_order"] = request.get("sortOrder", request.get("sort_order", 0))
    if "isActive" in request or "is_active" in request:
        create_data["is_active"] = request.get("isActive", request.get("is_active", True))

    err = _apply_region_minutes_to_data(request, create_data)
    if err is not None:
        return err

    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    region = region_crud.create(db, create_data, creator)

    return success_response({
        "id": region.id,
        "name": region.name,
        "code": region.code,
        "description": region.description,
        "sortOrder": region.sort_order,
        "expectedDeliveryMinutes": region.expected_delivery_minutes,
        "deliveryWarnAdvanceMinutes": region.delivery_warn_advance_minutes,
        "isActive": region.is_active,
        "createAt": str(region.create_at) if region.create_at else None,
        "createBy": region.create_by,
        "createName": region.create_name
    })


@router.put("/regions/{region_id}", response_model=dict)
def update_region(
    region_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新区域"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    # 检查编码唯一性（排除自己）
    if "code" in request and request["code"]:
        existing = region_crud.get_by_code(db, request["code"])
        if existing and existing.id != region_id:
            return error_response(400, "区域编码已存在")

    # 字段名映射：仅更新请求中显式传入的字段，避免未传字段被写成 None
    update_data: dict = {}
    if "name" in request:
        update_data["name"] = request.get("name")
    if "code" in request:
        update_data["code"] = request.get("code")
    if "description" in request:
        update_data["description"] = request.get("description")
    if "sortOrder" in request or "sort_order" in request:
        update_data["sort_order"] = request.get("sortOrder", request.get("sort_order", 0))
    if "isActive" in request or "is_active" in request:
        update_data["is_active"] = request.get("isActive", request.get("is_active", True))

    err = _apply_region_minutes_to_data(request, update_data)
    if err is not None:
        return err
    if not update_data:
        return error_response(400, "未检测到可更新字段")

    updater = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    region = region_crud.update_with_history(db, region_id, update_data, updater)

    if not region:
        return error_response(404, "区域不存在")

    return success_response({
        "id": region.id,
        "name": region.name,
        "code": region.code,
        "description": region.description,
        "sortOrder": region.sort_order,
        "expectedDeliveryMinutes": region.expected_delivery_minutes,
        "deliveryWarnAdvanceMinutes": region.delivery_warn_advance_minutes,
        "isActive": region.is_active
    })


@router.delete("/regions/{region_id}", response_model=dict)
def delete_region(
    region_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除区域"""
    success = region_crud.soft_delete_with_history(db, region_id)
    if not success:
        return error_response(404, "区域不存在")
    return success_response({"id": region_id})


# ============ 商品分类管理 ============


def _category_price_coefficient_value(category: BasProductCategory) -> float:
    v = getattr(category, "price_coefficient", None)
    if v is None:
        return 0.0
    return float(v)


@router.get("/categories", response_model=dict)
def list_categories(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    isActive: Optional[bool] = Query(None, description="是否启用"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品分类列表"""
    query = db.query(BasProductCategory).filter(BasProductCategory.is_del == 0)
    
    if keyword:
        query = query.filter(BasProductCategory.name.like(f"%{keyword}%"))
    if isActive is not None:
        query = query.filter(BasProductCategory.is_active == isActive)
    
    total = query.count()
    skip = (page - 1) * pageSize
    categories = query.order_by(BasProductCategory.sort_order.asc()).offset(skip).limit(pageSize).all()
    
    # 查询所有分类用于获取父分类名称
    all_categories = db.query(BasProductCategory).filter(BasProductCategory.is_del == 0).all()
    parent_map = {c.id: c.name for c in all_categories}
    
    return success_response({
        "list": [{
            "id": c.id,
            "name": c.name,
            "parentId": c.parent_id,
            "parentName": parent_map.get(c.parent_id) if c.parent_id else None,
            "sortOrder": c.sort_order,
            "priceCoefficient": _category_price_coefficient_value(c),
            "isActive": c.is_active,
            "imageUrl": getattr(c, "image_url", None),
        } for c in categories],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/categories/tree", response_model=dict)
def get_category_tree(
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品分类树形结构"""
    tree = category_crud.get_tree(db)
    return success_response(tree)


@router.get("/categories/active", response_model=dict)
def list_active_categories(
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取所有启用分类"""
    categories = category_crud.get_active_all(db)
    return success_response([{
        "id": c.id,
        "name": c.name,
        "parentId": c.parent_id,
        "priceCoefficient": _category_price_coefficient_value(c),
    } for c in categories])


@router.get("/categories/{category_id}", response_model=dict)
def get_category(
    category_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取分类详情"""
    category = category_crud.get(db, category_id)
    if not category:
        return error_response(404, "分类不存在")
    return success_response({
        "id": category.id,
        "name": category.name,
        "parentId": category.parent_id,
        "sortOrder": category.sort_order,
        "priceCoefficient": _category_price_coefficient_value(category),
        "isActive": category.is_active,
        "imageUrl": getattr(category, "image_url", None),
    })


@router.post("/categories", response_model=dict)
def create_category(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建商品分类"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    create_data = {
        "name": request.get("name"),
    }
    # 前端传参使用驼峰命名：parentId/sortOrder/isActive/imageUrl
    if "parentId" in request or "parent_id" in request:
        v = request.get("parentId", request.get("parent_id"))
        create_data["parent_id"] = v or None
    if "sortOrder" in request or "sort_order" in request:
        create_data["sort_order"] = request.get("sortOrder", request.get("sort_order"))
    if "isActive" in request or "is_active" in request:
        create_data["is_active"] = request.get("isActive", request.get("is_active"))
    if "imageUrl" in request or "image_url" in request:
        v = request.get("imageUrl", request.get("image_url"))
        create_data["image_url"] = v or None
    if "priceCoefficient" in request or "price_coefficient" in request:
        raw = request.get("priceCoefficient", request.get("price_coefficient"))
        if raw is not None and raw != "":
            try:
                create_data["price_coefficient"] = float(raw)
            except (TypeError, ValueError):
                return error_response(400, "价格系数格式不正确")

    category = category_crud.create(db, create_data, creator)
    
    return success_response({
        "id": category.id,
        "name": category.name,
        "parentId": category.parent_id,
        "sortOrder": category.sort_order,
        "priceCoefficient": _category_price_coefficient_value(category),
        "isActive": category.is_active,
        "imageUrl": getattr(category, "image_url", None),
    })


@router.put("/categories/{category_id}", response_model=dict)
def update_category(
    category_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新商品分类"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    updater = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    update_data: dict = {}
    if "name" in request:
        update_data["name"] = request.get("name")
    if "parentId" in request or "parent_id" in request:
        v = request.get("parentId", request.get("parent_id"))
        update_data["parent_id"] = v or None
    if "sortOrder" in request or "sort_order" in request:
        update_data["sort_order"] = request.get("sortOrder", request.get("sort_order"))
    if "isActive" in request or "is_active" in request:
        update_data["is_active"] = request.get("isActive", request.get("is_active"))
    if "imageUrl" in request or "image_url" in request:
        v = request.get("imageUrl", request.get("image_url"))
        update_data["image_url"] = v or None
    if "priceCoefficient" in request or "price_coefficient" in request:
        raw = request.get("priceCoefficient", request.get("price_coefficient"))
        if raw is None or raw == "":
            update_data["price_coefficient"] = 0.0
        else:
            try:
                update_data["price_coefficient"] = float(raw)
            except (TypeError, ValueError):
                return error_response(400, "价格系数格式不正确")

    category = category_crud.update_with_history(db, category_id, update_data, updater)
    
    if not category:
        return error_response(404, "分类不存在")
    
    return success_response({
        "id": category.id,
        "name": category.name,
        "parentId": category.parent_id,
        "sortOrder": category.sort_order,
        "priceCoefficient": _category_price_coefficient_value(category),
        "isActive": category.is_active,
        "imageUrl": getattr(category, "image_url", None),
    })


@router.delete("/categories/{category_id}", response_model=dict)
def delete_category(
    category_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除商品分类"""
    success = category_crud.soft_delete_with_history(db, category_id)
    if not success:
        return error_response(404, "分类不存在")
    return success_response({"id": category_id})


@router.post("/categories/upload-image", response_model=dict)
async def upload_category_image(
    file: UploadFile = File(...),
    folder: str = Form("categories"),
    current_user: dict = Depends(require_admin),
):
    """上传商品分类图片（MinIO）并返回图片URL"""
    try:
        content = await validate_file(file, MAX_IMAGE_SIZE, ALLOWED_IMAGE_TYPES)
        original_filename = file.filename or "category.png"
        url = storage.upload_file(content, original_filename, folder)
        return success_response({"url": url})
    except HTTPException:
        raise
    except Exception as e:
        return error_response(500, f"上传失败: {str(e)}")


# ============ 商品单位管理 ============


@router.get("/units", response_model=dict)
def list_units(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    isActive: Optional[bool] = Query(None, description="是否启用"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品单位列表"""
    query = db.query(BasProductUnit).filter(BasProductUnit.is_del == 0)
    
    if keyword:
        query = query.filter(
            (BasProductUnit.name.like(f"%{keyword}%")) | 
            (BasProductUnit.code.like(f"%{keyword}%"))
        )
    if isActive is not None:
        query = query.filter(BasProductUnit.is_active == isActive)
    
    total = query.count()
    skip = (page - 1) * pageSize
    units = query.order_by(BasProductUnit.sort_order.asc(), BasProductUnit.create_at.desc()).offset(skip).limit(pageSize).all()
    
    return success_response({
        "list": [{"id": u.id, "name": u.name, "code": u.code, "isActive": u.is_active, "sortOrder": u.sort_order} for u in units],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/units/active", response_model=dict)
def list_active_units(
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取所有启用单位"""
    units = unit_crud.get_active_all(db)
    return success_response([{"id": u.id, "name": u.name, "code": u.code} for u in units])


@router.get("/units/{unit_id}", response_model=dict)
def get_unit(
    unit_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取单位详情"""
    unit = unit_crud.get(db, unit_id)
    if not unit:
        return error_response(404, "单位不存在")
    return success_response({
        "id": unit.id,
        "name": unit.name,
        "code": unit.code,
        "isActive": unit.is_active,
        "sortOrder": unit.sort_order
    })


@router.post("/units", response_model=dict)
def create_unit(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建商品单位"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    # 检查编码唯一性
    existing = unit_crud.get_by_code(db, request.get("code"))
    if existing:
        return error_response(400, "单位编码已存在")
    
    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    unit = unit_crud.create(db, request, creator)
    
    return success_response({
        "id": unit.id,
        "name": unit.name,
        "code": unit.code,
        "isActive": unit.is_active,
        "sortOrder": unit.sort_order
    })


@router.put("/units/{unit_id}", response_model=dict)
def update_unit(
    unit_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新商品单位"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    # 检查编码唯一性
    if "code" in request and request["code"]:
        existing = unit_crud.get_by_code(db, request["code"])
        if existing and existing.id != unit_id:
            return error_response(400, "单位编码已存在")
    
    updater = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    unit = unit_crud.update_with_history(db, unit_id, request, updater)
    
    if not unit:
        return error_response(404, "单位不存在")
    
    return success_response({
        "id": unit.id,
        "name": unit.name,
        "code": unit.code,
        "isActive": unit.is_active,
        "sortOrder": unit.sort_order
    })


@router.delete("/units/{unit_id}", response_model=dict)
def delete_unit(
    unit_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除商品单位"""
    success = unit_crud.soft_delete_with_history(db, unit_id)
    if not success:
        return error_response(404, "单位不存在")
    return success_response({"id": unit_id})


# ============ 用户管理 ============

# 角色定义常量
ROLE_OPTIONS = [
    {"label": "超级管理员", "value": "super_admin"},
    {"label": "运营管理员", "value": "admin"},
    {"label": "供应商", "value": "supplier"},
    {"label": "客户", "value": "client"},
    {"label": "配送员", "value": "deliver"}
]


def _get_user_region_scope_ids(db: Session, user_id: str) -> list[str]:
    rows = (
        db.query(SysUserRegionScope.region_id)
        .filter(
            SysUserRegionScope.user_id == user_id,
            SysUserRegionScope.is_del == 0,
        )
        .all()
    )
    ids = [str(row[0]).strip() for row in rows if row and row[0]]
    uniq = sorted({x for x in ids if x})
    return uniq


def _replace_user_region_scopes(
    db: Session,
    user_id: str,
    region_ids: list[str],
    operator_id: Optional[str],
    operator_name: Optional[str],
):
    current = (
        db.query(SysUserRegionScope)
        .filter(
            SysUserRegionScope.user_id == user_id,
            SysUserRegionScope.is_del == 0,
        )
        .all()
    )
    for scope in current:
        db.add(
            SysUserRegionScopeHis(
                id=scope.id,
                user_id=scope.user_id,
                region_id=scope.region_id,
                create_at=scope.create_at,
                create_by=scope.create_by,
                create_name=scope.create_name,
                update_at=scope.update_at,
                update_by=scope.update_by,
            )
        )
        scope.is_del = 1
        scope.update_by = operator_id

    for rid in sorted({str(x).strip() for x in (region_ids or []) if str(x).strip()}):
        db.add(
            SysUserRegionScope(
                id=generate_id(),
                user_id=user_id,
                region_id=rid,
                is_del=0,
                create_by=operator_id,
                create_name=operator_name,
                update_by=operator_id,
            )
        )


@router.get("/roles", response_model=dict)
def list_roles(
    current_user: dict = Depends(require_admin)
):
    """获取角色列表"""
    return success_response(ROLE_OPTIONS)


@router.get("/menus/assignable-codes", response_model=dict)
def list_assignable_menu_codes(
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """可授权菜单 code 列表（仅 menu 类型）。"""
    menus = (
        db.query(SysMenu)
        .filter(
            SysMenu.is_del == 0,
            SysMenu.is_active == 1,
            SysMenu.menu_type == "menu",
            SysMenu.code.isnot(None),
        )
        .order_by(SysMenu.sort_order.asc())
        .all()
    )
    return success_response({
        "list": [
            {
                "id": m.id,
                "code": m.code,
                "name": m.name,
                "parentId": m.parent_id,
                "sortOrder": m.sort_order,
            }
            for m in menus
        ]
    })


@router.get("/users/{user_id}/menu-scopes", response_model=dict)
def get_user_menu_scopes(
    user_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """查询用户菜单授权 code 列表。"""
    user = user_crud.get(db, user_id)
    if not user:
        return error_response(404, "用户不存在")
    rows = (
        db.query(SysUserMenuScope.menu_code)
        .filter(
            SysUserMenuScope.user_id == user_id,
            SysUserMenuScope.is_del == 0,
        )
        .all()
    )
    codes = sorted({str(row[0]).strip() for row in rows if row and row[0]})
    return success_response({
        "userId": user_id,
        "menuCodes": codes
    })


@router.put("/users/{user_id}/menu-scopes", response_model=dict)
def put_user_menu_scopes(
    user_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新用户菜单授权（按 code 全量覆盖；兼容明文/密文载荷）。"""
    return _update_user_menu_scopes(user_id, request, db, current_user)


@router.post("/users/{user_id}/menu-scopes", response_model=dict)
def post_user_menu_scopes(
    user_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """与 PUT 同逻辑：前端按 POST 模式调用时复用。"""
    return _update_user_menu_scopes(user_id, request, db, current_user)


def _update_user_menu_scopes(user_id: str, request: dict, db: Session, current_user: dict):
    """更新用户菜单授权（按 code 全量覆盖；兼容明文/密文载荷）。"""
    from app.core import api_crypto
    from app.core.config import settings

    user = user_crud.get(db, user_id)
    if not user:
        return error_response(404, "用户不存在")
    if user.role == "super_admin":
        return error_response(400, "超级管理员无需配置菜单权限")

    req_keys: list[str] = []
    try:
        req_keys = list((request or {}).keys())
    except Exception:
        req_keys = []

    req_dict = request or {}

    # 明文载荷：{ menuCodes: [...] }
    raw_codes = req_dict.get("menuCodes", [])

    # 密文信封：{ enc, ts, nonce, edata }
    # 若信封里没有 menuCodes，则尝试解密回退。
    if (
        isinstance(req_dict, dict)
        and req_dict.get("enc") == 1
        and "menuCodes" not in req_dict
        and req_dict.get("edata")
    ):
        try:
            ts = req_dict.get("ts")
            nonce = req_dict.get("nonce")
            edata = req_dict.get("edata")

            fixed_secret = getattr(settings, "API_ENCRYPT_FIXED_SECRET", "") or ""
            operator_user_id = current_user.get("user_id") or ""
            if not (fixed_secret and operator_user_id and ts is not None and nonce):
                return error_response(400, "密文解析配置缺失")

            key = api_crypto.derive_key(
                fixed_secret=fixed_secret,
                user_id=str(operator_user_id),
                ts=int(ts),
                nonce=str(nonce),
            )
            plain = api_crypto.decrypt_json(str(edata), key)
            payload = plain.get("data", plain) if isinstance(plain, dict) else {}
            raw_codes = payload.get("menuCodes", []) if isinstance(payload, dict) else []
        except Exception as exc:
            return error_response(400, f"密文解密失败: {exc}")

    if raw_codes is None:
        raw_codes = []
    if not isinstance(raw_codes, list):
        return error_response(400, "menuCodes 必须为数组")

    menu_codes = sorted({str(code).strip() for code in raw_codes if str(code).strip()})
    desired_codes_set = {str(code).strip() for code in menu_codes if str(code).strip()}

    # 调试：定位前端提交是否真的到后端（避免把全量内容写日志，保留前几个）
    try:
        preview = menu_codes[:10]
    except Exception:
        preview = []
    print(
        f"[menu-scope-save] user_id={user_id} req_keys={req_keys} "
        f"menu_codes_len={len(menu_codes)} preview={preview}"
    )

    operator_id = current_user.get("user_id")
    operator_name = current_user.get("real_name")

    # sys_user_menu_scope 唯一约束：uk_user_menu_scope (user_id, menu_code, is_del)
    # 这意味着同一 (user_id, menu_code) 可能同时存在 is_del=0 与 is_del=1 两条记录。
    # 当我们需要把某条从 1 更新为 0（或相反）时，可能会撞唯一键，因此需要先“归一化”：
    # - 目标授权: 最终只保留 is_del=0
    # - 非目标: 最终只保留 is_del=1（允许该 code 不存在）
    current_scopes = db.query(SysUserMenuScope).filter(SysUserMenuScope.user_id == user_id).all()
    scopes_by_code_and_del: dict[str, dict[int, SysUserMenuScope]] = {}
    for scope in current_scopes:
        code = str(scope.menu_code).strip()
        del_key = int(scope.is_del or 0)
        scopes_by_code_and_del.setdefault(code, {})[del_key] = scope

    def _add_scope_his(scope: SysUserMenuScope):
        db.add(
            SysUserMenuScopeHis(
                id=scope.id,
                user_id=scope.user_id,
                menu_code=scope.menu_code,
                create_at=scope.create_at,
                create_by=scope.create_by,
                create_name=scope.create_name,
                update_at=scope.update_at,
                update_by=scope.update_by,
            )
        )

    all_codes = set(scopes_by_code_and_del.keys()) | desired_codes_set
    for code in all_codes:
        target_is_del = 0 if code in desired_codes_set else 1
        bucket = scopes_by_code_and_del.get(code) or {}
        scope0 = bucket.get(0)
        scope1 = bucket.get(1)

        if target_is_del == 0:
            # 需要“未删除态”
            if scope0 and scope1:
                # 两种状态都存在：保留 is_del=0，删除 is_del=1 那条（否则无法通过 update 归一化）
                _add_scope_his(scope1)
                db.delete(scope1)
            elif scope0:
                # 仅 is_del=0 存在：只更新审计字段
                scope0.update_by = operator_id
            elif scope1:
                # 仅 is_del=1 存在：恢复为 is_del=0
                _add_scope_his(scope1)
                scope1.is_del = 0
                scope1.update_by = operator_id
            else:
                # 两条都不存在：新增 is_del=0
                db.add(
                    SysUserMenuScope(
                        id=generate_id(),
                        user_id=user_id,
                        menu_code=code,
                        is_del=0,
                        create_by=operator_id,
                        create_name=operator_name,
                        update_by=operator_id,
                    )
                )
        else:
            # 需要“删除态” (is_del=1)
            if scope0 and scope1:
                # 两种状态都存在：保留 is_del=1，删除 is_del=0 那条
                _add_scope_his(scope0)
                db.delete(scope0)
            elif scope1:
                # 仅 is_del=1 存在：只更新审计字段
                scope1.update_by = operator_id
            elif scope0:
                # 仅 is_del=0 存在：置为 is_del=1
                _add_scope_his(scope0)
                scope0.is_del = 1
                scope0.update_by = operator_id
            else:
                # 目标是删除态但表中不存在：无需新增一条 is_del=1 记录
                pass

    db.commit()
    return success_response({"userId": user_id, "menuCodes": menu_codes})


@router.get("/users", response_model=dict)
def list_users(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    role: Optional[str] = Query(None, description="角色筛选"),
    roleIn: Optional[str] = Query(None, description="角色集合筛选，逗号分隔"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    isActive: Optional[bool] = Query(None, description="是否激活"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取用户列表"""
    role_in_values: Optional[list[str]] = None
    if roleIn:
        role_in_values = [x.strip() for x in str(roleIn).split(",") if x and x.strip()]

    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None:
        if regionId and regionId not in allowed_region_ids:
            return error_response(403, "无权访问该区域数据")
        if not regionId and allowed_region_ids:
            regionId = sorted(allowed_region_ids)[0]

    users, total = user_crud.get_multi_with_filters(
        db,
        role=role,
        roles=role_in_values,
        region_id=regionId,
        keyword=keyword,
        is_active=isActive,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )
    
    region_map = {}
    for user in users:
        if user.region_id and user.region_id not in region_map:
            region = region_crud.get(db, user.region_id)
            if region:
                region_map[user.region_id] = region.name
    
    return success_response({
        "list": [{
            "id": u.id,
            "username": u.username,
            "realName": u.real_name,
            "phone": u.phone,
            "avatarUrl": (str(u.avatar_url).strip() if getattr(u, "avatar_url", None) else None) or None,
            "role": u.role,
            "regionId": u.region_id,
            "regionName": region_map.get(u.region_id),
            "regionIds": _get_user_region_scope_ids(db, u.id),
            "isActive": u.is_active,
            "createAt": str(u.create_at) if u.create_at else None,
            "createName": getattr(u, "create_name", None)
        } for u in users],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/users/{user_id}", response_model=dict)
def get_user(
    user_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取用户详情"""
    user = user_crud.get(db, user_id)
    if not user:
        return error_response(404, "用户不存在")
    
    region_name = None
    if user.region_id:
        region = region_crud.get(db, user.region_id)
        region_name = region.name if region else None
    
    return success_response({
        "id": user.id,
        "username": user.username,
        "realName": user.real_name,
        "phone": user.phone,
        "avatarUrl": (str(user.avatar_url).strip() if getattr(user, "avatar_url", None) else None) or None,
        "role": user.role,
        "regionId": user.region_id,
        "regionName": region_name,
        "regionIds": _get_user_region_scope_ids(db, user.id),
        "isActive": user.is_active,
        "createAt": str(user.create_at) if user.create_at else None,
        "createName": getattr(user, "create_name", None)
    })


@router.post("/users", response_model=dict)
def create_user(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建用户"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    # 检查用户名唯一性
    existing = user_crud.get_by_username(db, request.get("username"))
    if existing:
        return error_response(400, "用户名已存在")
    
    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    body = dict(request) if request else {}
    region_ids = body.pop("regionIds", None)
    if body.get("avatarUrl") == "":
        body["avatarUrl"] = None
    try:
        user, initial_password = user_crud.create_with_password(db, body, creator)
    except ValueError as e:
        return error_response(400, str(e))

    if isinstance(region_ids, list):
        _replace_user_region_scopes(db, user.id, region_ids, current_user.get("user_id"), current_user.get("real_name"))
        db.commit()

    payload = {
        "id": user.id,
        "username": user.username,
        "realName": user.real_name,
        "avatarUrl": (str(user.avatar_url).strip() if getattr(user, "avatar_url", None) else None) or None,
        "regionIds": _get_user_region_scope_ids(db, user.id),
    }
    if initial_password is not None:
        payload["initialPassword"] = initial_password
    return success_response(payload)


@router.put("/users/{user_id}", response_model=dict)
def update_user(
    user_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新用户"""
    updater = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    req = dict(request) if request else {}
    region_ids = req.pop("regionIds", None)
    if req.get("avatarUrl") == "":
        req["avatarUrl"] = None
    user = user_crud.update_with_history(db, user_id, req, updater)
    
    if not user:
        return error_response(404, "用户不存在")
    
    region_name = None
    if user.region_id:
        region = region_crud.get(db, user.region_id)
        region_name = region.name if region else None
    
    if isinstance(region_ids, list):
        _replace_user_region_scopes(db, user_id, region_ids, current_user.get("user_id"), current_user.get("real_name"))
        db.commit()

    return success_response({
        "id": user.id,
        "username": user.username,
        "realName": user.real_name,
        "phone": user.phone,
        "avatarUrl": (str(user.avatar_url).strip() if getattr(user, "avatar_url", None) else None) or None,
        "role": user.role,
        "regionId": user.region_id,
        "regionName": region_name,
        "regionIds": _get_user_region_scope_ids(db, user.id),
        "isActive": user.is_active
    })


@router.delete("/users/{user_id}", response_model=dict)
def delete_user(
    user_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除用户"""
    # 不能删除自己
    if user_id == current_user.get("user_id"):
        return error_response(400, "不能删除当前登录账号")
    
    success = user_crud.soft_delete_with_history(db, user_id)
    if not success:
        return error_response(404, "用户不存在")
    return success_response({"id": user_id})


@router.post("/users/upload-avatar", response_model=dict)
async def upload_user_avatar(
    file: UploadFile = File(...),
    folder: str = Form("avatars"),
    current_user: dict = Depends(require_admin),
):
    """上传用户头像图片，返回可写入 avatarUrl 的地址"""
    try:
        content = await validate_file(file, MAX_IMAGE_SIZE, ALLOWED_IMAGE_TYPES)
        original_filename = file.filename or "avatar.png"
        url = storage.upload_file(content, original_filename, folder)
        return success_response({"url": url})
    except HTTPException:
        raise
    except Exception as e:
        return error_response(500, f"上传失败: {str(e)}")


@router.post("/users/{user_id}/reset-password", response_model=dict)
def reset_user_password(
    user_id: str,
    request: Request,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """重置用户密码为服务端固定默认（明文不由请求传入，响应中也不返回密码）"""
    try:
        success = user_crud.reset_password_to_admin_default(db, user_id)
    except ValueError as e:
        return error_response(400, str(e))

    if not success:
        return error_response(404, "用户不存在")

    ip_address = get_client_ip(request)
    password_history_crud.create_password_history(
        db,
        user_id=user_id,
        operation_type="reset",
        operator_id=current_user.get("user_id"),
        operator_name=current_user.get("real_name"),
        ip_address=ip_address
    )

    return success_response({"ok": True})


@router.get("/users/{user_id}/password-history", response_model=dict)
def get_user_password_history(
    user_id: str,
    page: int = Query(1, ge=1, description="页码"),
    page_size: int = Query(10, ge=1, le=50, description="每页条数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取用户密码修改历史记录"""
    try:
        from app.models.models import SysPasswordHistory

        query = db.query(SysPasswordHistory).filter(
            SysPasswordHistory.user_id == user_id,
            SysPasswordHistory.is_del == 0
        )

        total = query.count()
        items = query.order_by(SysPasswordHistory.create_at.desc()).offset((page - 1) * page_size).limit(page_size).all()

        result = []
        for item in items:
            result.append({
                "id": item.id,
                "userId": item.user_id,
                "operationType": item.operation_type,
                "operationTypeText": "重置密码" if item.operation_type == "reset" else "修改密码" if item.operation_type == "change" else item.operation_type,
                "operatorName": item.operator_name,
                "operatorId": item.operator_id,
                "ipAddress": item.ip_address,
                "createAt": str(item.create_at) if item.create_at else None
            })

        return success_response({
            "list": result,
            "total": total,
            "page": page,
            "pageSize": page_size
        })

    except Exception as e:
        return error_response(500, f"获取密码历史失败: {str(e)}")


@router.get("/password-history", response_model=dict)
def get_password_history_list(
    page: int = Query(1, ge=1, description="页码"),
    page_size: int = Query(10, ge=1, le=50, description="每页条数"),
    user_id: str = Query(None, description="用户ID"),
    operation_type: str = Query(None, description="操作类型"),
    keyword: str = Query(None, description="关键词搜索"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取密码修改历史记录列表（后台管理用）"""
    try:
        from app.models.models import SysPasswordHistory

        query = db.query(SysPasswordHistory).filter(SysPasswordHistory.is_del == 0)

        if user_id:
            query = query.filter(SysPasswordHistory.user_id == user_id)
        if operation_type:
            query = query.filter(SysPasswordHistory.operation_type == operation_type)
        if keyword:
            query = query.filter(SysPasswordHistory.operator_name.like(f"%{keyword}%"))

        total = query.count()
        items = query.order_by(SysPasswordHistory.create_at.desc()).offset((page - 1) * page_size).limit(page_size).all()

        result = []
        for item in items:
            # 获取用户信息
            user_info = {}
            user = user_crud.get(db, item.user_id)
            if user:
                user_info = {
                    "userName": user.username,
                    "realName": user.real_name,
                    "role": user.role
                }

            result.append({
                "id": item.id,
                "userId": item.user_id,
                "userInfo": user_info,
                "operationType": item.operation_type,
                "operationTypeText": "重置密码" if item.operation_type == "reset" else "修改密码" if item.operation_type == "change" else item.operation_type,
                "operatorName": item.operator_name,
                "operatorId": item.operator_id,
                "ipAddress": item.ip_address,
                "createAt": str(item.create_at) if item.create_at else None
            })

        return success_response({
            "list": result,
            "total": total,
            "page": page,
            "pageSize": page_size
        })

    except Exception as e:
        return error_response(500, f"获取密码历史失败: {str(e)}")


@router.post("/users/change-password", response_model=dict)
def change_password(
    body: dict,
    request: Request,
    db: Session = Depends(get_db),
    current_user: dict = Depends(get_current_user)
):
    """用户修改密码"""
    old_password = body.get("oldPassword")
    new_password = body.get("newPassword")
    
    if not old_password or not new_password:
        return error_response(400, "旧密码和新密码都不能为空")
    
    if len(new_password) < 6:
        return error_response(400, "新密码长度不能少于6位")
    
    user = user_crud.get(db, current_user.get("user_id"))
    if not user:
        return error_response(404, "用户不存在")
    
    if not verify_password(old_password, user.password_hash):
        return error_response(400, "旧密码错误")
    
    user.password_hash = get_password_hash(new_password)
    db.commit()
    
    ip_address = get_client_ip(request)
    password_history_crud.create_password_history(
        db,
        user_id=user.id,
        operation_type="modify",
        operator_id=user.id,
        operator_name=user.real_name,
        ip_address=ip_address
    )
    
    return success_response({"message": "密码修改成功"})


# ============ 商品管理 ============


@router.get("/products", response_model=dict)
def list_products(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=1000, description="每页条数"),
    categoryId: Optional[str] = Query(None, description="分类ID"),
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    isActive: Optional[bool] = Query(None, description="是否启用"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品列表"""
    products, total = product_crud.get_multi_with_filters(
        db,
        category_id=categoryId,
        keyword=keyword,
        is_active=isActive,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )
    
    # 获取分类和单位名称映射
    category_map = {}
    unit_map = {}
    
    for p in products:
        if p.category_id and p.category_id not in category_map:
            cat = category_crud.get(db, p.category_id)
            if cat:
                category_map[p.category_id] = cat.name
        if p.unit_id and p.unit_id not in unit_map:
            u = unit_crud.get(db, p.unit_id)
            if u:
                unit_map[p.unit_id] = u.name
    
    return success_response({
        "list": [{
            "id": p.id,
            "name": p.name,
            "skuCode": p.sku_code,
            "categoryId": p.category_id,
            "categoryName": category_map.get(p.category_id),
            "unitId": p.unit_id,
            "unitName": unit_map.get(p.unit_id),
            "measureValue": _numeric_to_float_optional(getattr(p, "measure_value", None)),
            "description": p.description,
            "detailContent": p.detail_content,
            "imageUrl": p.image_url,
            "priceCoefficient": _numeric_to_float_optional(getattr(p, "price_coefficient", None)) or 0.0,
            "isActive": p.is_active,
            "createAt": str(p.create_at) if p.create_at else None
        } for p in products],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/products/{product_id}", response_model=dict)
def get_product(
    product_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品详情"""
    product = product_crud.get(db, product_id)
    if not product:
        return error_response(404, "商品不存在")
    
    category_name = None
    if product.category_id:
        cat = category_crud.get(db, product.category_id)
        category_name = cat.name if cat else None
    
    unit_name = None
    if product.unit_id:
        u = unit_crud.get(db, product.unit_id)
        unit_name = u.name if u else None
    
    return success_response({
        "id": product.id,
        "name": product.name,
        "skuCode": product.sku_code,
        "categoryId": product.category_id,
        "categoryName": category_name,
        "unitId": product.unit_id,
        "unitName": unit_name,
        "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)),
        "description": product.description,
        "detailContent": product.detail_content,
        "imageUrl": product.image_url,
        "priceCoefficient": _numeric_to_float_optional(getattr(product, "price_coefficient", None)) or 0.0,
        "isActive": product.is_active,
        "createAt": str(product.create_at) if product.create_at else None
    })


@router.get("/products/{product_id}/region-prices", response_model=dict)
def get_product_region_prices(
    product_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """各启用区域下，当前生效价格清单中该商品的单价（无生效价则 price 为空）"""
    from app.crud.price_list import price_list_item_crud

    product = product_crud.get(db, product_id)
    if not product:
        return error_response(404, "商品不存在")

    regions = region_crud.get_active_all(db)
    admin_region_id = get_admin_region_filter(db, current_user)
    if admin_region_id:
        regions = [r for r in regions if r.id == admin_region_id]

    rows = []
    for r in regions:
        item = price_list_item_crud.get_product_price(db, r.id, product_id)
        if item:
            unit_name = None
            if item.unit_id:
                u = unit_crud.get(db, item.unit_id)
                unit_name = u.name if u else None
            rows.append({
                "regionId": r.id,
                "regionName": r.name,
                "price": float(item.price) if item.price is not None else None,
                "unitId": item.unit_id,
                "unitName": unit_name
            })
        else:
            rows.append({
                "regionId": r.id,
                "regionName": r.name,
                "price": None,
                "unitId": None,
                "unitName": None
            })

    return success_response({"list": rows})


@router.post("/products", response_model=dict)
def create_product(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建商品"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    try:
        product = product_crud.create(db, request, creator)
    except IntegrityError as e:
        db.rollback()
        err = str(getattr(e.orig, "args", e) or e)
        if "uk_sku_code" in err or "sku_code" in err.lower():
            return error_response(400, "SKU 编码已存在，请修改或点击「自动生成」")
        raise

    return success_response({
        "id": product.id,
        "name": product.name
    })


@router.post("/products/upload-image", response_model=dict)
async def upload_product_image(
    file: UploadFile = File(...),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """上传商品图片/轮播图（支持图片和视频）"""
    try:
        # 验证文件类型
        allowed_image_types = {"image/jpeg", "image/png", "image/gif", "image/webp", "image/heic", "image/heif"}
        allowed_video_types = {"video/mp4", "video/quicktime", "video/webm", "video/x-msvideo"}
        allowed_types = allowed_image_types | allowed_video_types

        if file.content_type not in allowed_types:
            return error_response(400, "不支持的文件格式，支持：JPG、PNG、GIF、WebP、HEIC、MP4")

        # 验证文件大小 (图片10MB，视频100MB)
        max_size = 100 * 1024 * 1024 if file.content_type.startswith("video/") else 10 * 1024 * 1024
        content = b""
        chunk_size = 1024 * 1024
        while True:
            chunk = await file.read(chunk_size)
            if not chunk:
                break
            content += chunk
            if len(content) > max_size:
                return error_response(400, f"{'视频' if file.content_type.startswith('video/') else '图片'}大小不能超过{'100MB' if file.content_type.startswith('video/') else '10MB'}")

        await file.seek(0)

        # 确定文件后缀和上传目录
        if file.content_type.startswith("video/"):
            ext = "mp4" if file.content_type == "video/mp4" else "mov" if file.content_type == "video/quicktime" else "webm" if file.content_type == "video/webm" else "avi"
            folder = "products/banners"
            filename = f"video_{uuid.uuid4().hex[:8]}.{ext}"
        else:
            ext = file.filename.rsplit(".", 1)[-1] if "." in (file.filename or "") else "jpg"
            folder = "products"
            filename = file.filename or f"image_{uuid.uuid4().hex[:8]}.{ext}"

        # 上传文件
        url = storage.upload_file(content, filename, folder)

        return success_response({
            "url": url,
            "filename": file.filename,
            "contentType": file.content_type,
            "size": len(content)
        })

    except Exception as e:
        return error_response(500, f"上传失败: {str(e)}")


@router.post("/products/upload-base64", response_model=dict)
async def upload_product_image_base64(
    data: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """上传商品图片（Base64方式）"""
    try:
        base64_data = data.get("base64")
        if not base64_data:
            return error_response(400, "base64数据不能为空")

        # 去除前缀
        if "," in base64_data:
            base64_data = base64_data.split(",")[1]

        # 验证图片大小
        decoded_len = len(base64_data) * 3 // 4
        if decoded_len > 5 * 1024 * 1024:
            return error_response(400, "图片大小不能超过5MB")

        url = storage.upload_base64(base64_data, "product.png", "products")

        return success_response({
            "url": url,
            "filename": "product.png"
        })

    except Exception as e:
        return error_response(500, f"上传失败: {str(e)}")


@router.put("/products/{product_id}", response_model=dict)
def update_product(
    product_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新商品"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    updater = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    product = product_crud.update_with_history(db, product_id, request, updater)
    
    if not product:
        return error_response(404, "商品不存在")
    
    return success_response({
        "id": product.id,
        "name": product.name,
        "skuCode": product.sku_code,
        "categoryId": product.category_id,
        "unitId": product.unit_id,
        "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)),
        "description": product.description,
        "detailContent": product.detail_content,
        "imageUrl": product.image_url,
        "priceCoefficient": _numeric_to_float_optional(getattr(product, "price_coefficient", None)) or 0.0,
        "isActive": product.is_active
    })


@router.delete("/products/{product_id}", response_model=dict)
def delete_product(
    product_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除商品"""
    success = product_crud.soft_delete_with_history(db, product_id)
    if not success:
        return error_response(404, "商品不存在")
    return success_response({"id": product_id})


# ============ 询价单管理 ============


@router.get("/inquiries", response_model=dict)
def list_inquiries(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    status: Optional[str] = Query(None, description="状态: draft/published/closed"),
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取询价单列表"""
    from app.crud.inquiry import inquiry_crud

    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None:
        if regionId and regionId not in allowed_region_ids:
            return error_response(403, "无权访问该区域数据")
        if not regionId and allowed_region_ids:
            regionId = sorted(allowed_region_ids)[0]

    inquiries, total = inquiry_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        status=status,
        keyword=keyword,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    region_map = {}
    for inquiry in inquiries:
        if inquiry.region_id and inquiry.region_id not in region_map:
            region = region_crud.get(db, inquiry.region_id)
            if region:
                region_map[inquiry.region_id] = region.name

    return success_response({
        "list": [{
            "id": i.id,
            "regionId": i.region_id,
            "regionName": region_map.get(i.region_id),
            "title": i.title,
            "status": i.status,
            "publishTime": str(i.publish_time) if i.publish_time else None,
            "closeTime": str(i.close_time) if i.close_time else None,
            "remark": i.remark,
            "createAt": str(i.create_at) if i.create_at else None,
            "createName": i.create_name
        } for i in inquiries],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/inquiries/{inquiry_id}", response_model=dict)
def get_inquiry(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取询价单详情"""
    from app.crud.inquiry import inquiry_crud, inquiry_item_crud
    from app.crud.product import product_crud

    inquiry = inquiry_crud.get(db, inquiry_id)
    if not inquiry:
        return error_response(404, "询价单不存在")

    items = inquiry_item_crud.get_by_inquiry(db, inquiry_id)

    region_name = None
    if inquiry.region_id:
        region = region_crud.get(db, inquiry.region_id)
        region_name = region.name if region else None

    item_details = []
    for item in items:
        product = product_crud.get(db, item.product_id)
        category_name = None
        if product and product.category_id:
            cat = category_crud.get(db, product.category_id)
            category_name = cat.name if cat else None
        unit_name = None
        if product and product.unit_id:
            u = unit_crud.get(db, product.unit_id)
            unit_name = u.name if u else None
        item_details.append({
            "id": item.id,
            "productId": item.product_id,
            "productName": product.name if product else None,
            "categoryId": product.category_id if product else None,
            "categoryName": category_name,
            "unitName": unit_name,
            "description": product.description if product else None,
            "imageUrl": product.image_url if product else None,
            "createAt": str(item.create_at) if item.create_at else None
        })

    return success_response({
        "id": inquiry.id,
        "regionId": inquiry.region_id,
        "regionName": region_name,
        "title": inquiry.title,
        "status": inquiry.status,
        "publishTime": str(inquiry.publish_time) if inquiry.publish_time else None,
        "closeTime": str(inquiry.close_time) if inquiry.close_time else None,
        "remark": inquiry.remark,
        "createAt": str(inquiry.create_at) if inquiry.create_at else None,
        "createName": inquiry.create_name,
        "items": item_details
    })


@router.post("/inquiries", response_model=dict)
def create_inquiry(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建询价单"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    from app.crud.inquiry import inquiry_crud, inquiry_item_crud

    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}

    inquiry_data = {
        "region_id": request.get("regionId"),
        "title": request.get("title"),
        "remark": request.get("remark"),
        "status": "draft"
    }
    inquiry = inquiry_crud.create(db, inquiry_data, creator)

    product_ids = request.get("productIds", [])
    if product_ids:
        inquiry_item_crud.create_items(db, inquiry.id, product_ids, creator)

    region_name = None
    if inquiry.region_id:
        region = region_crud.get(db, inquiry.region_id)
        region_name = region.name if region else None

    return success_response({
        "id": inquiry.id,
        "regionId": inquiry.region_id,
        "regionName": region_name,
        "title": inquiry.title,
        "status": inquiry.status
    })


@router.put("/inquiries/{inquiry_id}", response_model=dict)
def update_inquiry(
    inquiry_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新询价单"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    from app.crud.inquiry import inquiry_crud, inquiry_item_crud

    inquiry = inquiry_crud.get(db, inquiry_id)
    if not inquiry:
        return error_response(404, "询价单不存在")

    if inquiry.status != "draft":
        return error_response(400, "只能编辑草稿状态的询价单")

    updater = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}

    update_data = {}
    if "title" in request:
        update_data["title"] = request["title"]
    if "remark" in request:
        update_data["remark"] = request["remark"]

    if update_data:
        inquiry = inquiry_crud.update_with_history(db, inquiry_id, update_data, updater)

    if "productIds" in request:
        inquiry_item_crud.update_items(db, inquiry_id, request["productIds"], updater)

    region_name = None
    if inquiry.region_id:
        region = region_crud.get(db, inquiry.region_id)
        region_name = region.name if region else None

    return success_response({
        "id": inquiry.id,
        "regionId": inquiry.region_id,
        "regionName": region_name,
        "title": inquiry.title,
        "status": inquiry.status
    })


@router.delete("/inquiries/{inquiry_id}", response_model=dict)
def delete_inquiry(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除询价单"""
    from app.crud.inquiry import inquiry_crud, inquiry_item_crud

    inquiry = inquiry_crud.get(db, inquiry_id)
    if not inquiry:
        return error_response(404, "询价单不存在")

    if inquiry.status == "published":
        return error_response(400, "已发布的询价单不能删除")

    inquiry_item_crud.delete_by_inquiry(db, inquiry_id)
    inquiry_crud.soft_delete_with_history(db, inquiry_id)

    return success_response({"id": inquiry_id})


@router.post("/inquiries/{inquiry_id}/publish", response_model=dict)
def publish_inquiry(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """发布询价单"""
    from app.crud.inquiry import inquiry_crud, inquiry_item_crud
    from app.models.models import BizInquiry
    from sqlalchemy import and_

    inquiry = inquiry_crud.get(db, inquiry_id)
    if not inquiry:
        return error_response(404, "询价单不存在")

    if inquiry.status != "draft":
        return error_response(400, "只能发布草稿状态的询价单")

    items = inquiry_item_crud.get_by_inquiry(db, inquiry_id)
    if not items:
        return error_response(400, "询价单必须包含至少一个商品")

    # 同区域仅允许一个发布中的询价单（并发下尽量避免双发布）
    try:
        # 锁住同区域发布中的记录（若存在）与当前记录
        db.query(BizInquiry).filter(
            and_(
                BizInquiry.region_id == inquiry.region_id,
                BizInquiry.status == "published",
                BizInquiry.is_del == 0
            )
        ).with_for_update().all()
        db.query(BizInquiry).filter(BizInquiry.id == inquiry_id).with_for_update().all()
    except Exception:
        # with_for_update 在某些配置下可能不生效，但不影响基本校验
        pass

    existing = inquiry_crud.get_current_published_by_region(db, inquiry.region_id)
    if existing and existing.id != inquiry_id:
        return error_response(400, "该区域已存在发布中的询价单，请先取消发布当前询价单后再发布新的询价单")

    inquiry = inquiry_crud.publish(db, inquiry_id)

    return success_response({
        "id": inquiry.id,
        "status": inquiry.status,
        "publishTime": str(inquiry.publish_time) if inquiry.publish_time else None
    })


@router.post("/inquiries/{inquiry_id}/unpublish", response_model=dict)
def unpublish_inquiry(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """取消发布询价单（published -> draft）"""
    from app.crud.inquiry import inquiry_crud

    inquiry = inquiry_crud.get(db, inquiry_id)
    if not inquiry:
        return error_response(404, "询价单不存在")

    if inquiry.status != "published":
        return error_response(400, "只能取消发布已发布状态的询价单")

    inquiry = inquiry_crud.unpublish(db, inquiry_id)

    return success_response({
        "id": inquiry.id,
        "status": inquiry.status
    })


@router.post("/inquiries/{inquiry_id}/close", response_model=dict)
def close_inquiry(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """关闭询价单"""
    from app.crud.inquiry import inquiry_crud

    inquiry = inquiry_crud.get(db, inquiry_id)
    if not inquiry:
        return error_response(404, "询价单不存在")

    if inquiry.status != "published":
        return error_response(400, "只能关闭已发布的询价单")

    inquiry = inquiry_crud.close(db, inquiry_id)

    return success_response({
        "id": inquiry.id,
        "status": inquiry.status,
        "closeTime": str(inquiry.close_time) if inquiry.close_time else None
    })


# ============ 报价管理（无审批） ============


@router.get("/quotations", response_model=dict)
def list_quotations(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    inquiryId: Optional[str] = Query(None, description="询价单ID"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    status: Optional[str] = Query(None, description="状态: submitted/selected"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取报价单列表"""
    from app.crud.quotation import quotation_crud, quotation_item_crud
    from app.crud.inquiry import inquiry_crud
    from app.crud.user import user_crud

    # 区域管理员只能查看自己区域的报价单
    admin_region_id = get_admin_region_filter(db, current_user)
    if admin_region_id and not regionId:
        regionId = admin_region_id
    elif admin_region_id and regionId != admin_region_id:
        return success_response({
            "list": [],
            "total": 0,
            "page": page,
            "pageSize": pageSize,
            "totalPages": 0
        })

    quotations, total = quotation_crud.get_multi_with_filters(
        db,
        inquiry_id=inquiryId,
        region_id=regionId,
        status=status,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    region_map = {}
    inquiry_map = {}
    supplier_map = {}

    for q in quotations:
        if q.region_id and q.region_id not in region_map:
            region = region_crud.get(db, q.region_id)
            region_map[q.region_id] = region.name if region else None
        if q.inquiry_id and q.inquiry_id not in inquiry_map:
            inquiry = inquiry_crud.get(db, q.inquiry_id)
            inquiry_map[q.inquiry_id] = inquiry.title if inquiry else None
        if q.supplier_id and q.supplier_id not in supplier_map:
            supplier = user_crud.get(db, q.supplier_id)
            supplier_map[q.supplier_id] = supplier.real_name if supplier else None

    return success_response({
        "list": [{
            "id": q.id,
            "inquiryId": q.inquiry_id,
            "inquiryTitle": inquiry_map.get(q.inquiry_id),
            "supplierId": q.supplier_id,
            "supplierName": supplier_map.get(q.supplier_id),
            "regionId": q.region_id,
            "regionName": region_map.get(q.region_id),
            "status": q.status,
            "totalAmount": float(q.total_amount) if q.total_amount else 0,
            "submitTime": str(q.submit_time) if q.submit_time else None,
            "createAt": str(q.create_at) if q.create_at else None
        } for q in quotations],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/quotations/{quotation_id}", response_model=dict)
def get_quotation(
    quotation_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取报价单详情"""
    from app.crud.quotation import quotation_crud, quotation_item_crud
    from app.crud.inquiry import inquiry_crud
    from app.crud.user import user_crud
    from app.crud.product import product_crud
    from app.crud.category import category_crud
    from app.models.models import BizPriceList, BizPriceListItem, BizInquiryItem
    from sqlalchemy import and_

    quotation = quotation_crud.get(db, quotation_id)
    if not quotation:
        return error_response(404, "报价单不存在")

    # 询价单商品作为主表，确保供应商未报价商品也能展示
    inquiry_items = db.query(BizInquiryItem).filter(
        and_(
            BizInquiryItem.inquiry_id == quotation.inquiry_id,
            BizInquiryItem.is_del == 0
        )
    ).order_by(BizInquiryItem.create_at.asc()).all()

    # 报价单项作为从表（按 product_id 映射）
    items = quotation_item_crud.get_by_quotation(db, quotation_id)
    q_item_by_pid: dict[str, object] = {}
    for it in items:
        pid = str(getattr(it, "product_id", "") or "")
        if pid and pid not in q_item_by_pid:
            q_item_by_pid[pid] = it

    # 若该报价已被选中并生成价格清单，则回显调价系数/最终售价（用于运营端查看）
    pl = db.query(BizPriceList).filter(
        and_(
            BizPriceList.quotation_id == quotation_id,
            BizPriceList.is_del == 0
        )
    ).order_by(BizPriceList.version.desc(), BizPriceList.published_time.desc()).first()
    # key: product_id, value: pricing_coefficient(%) used at publish-time
    # NOTE: older price lists may have NULL pricing_coefficient; we keep None to allow fallback to product.price_coefficient.
    coeff_map: dict[str, Optional[float]] = {}
    final_price_map: dict[str, float] = {}
    if pl:
        pl_items = db.query(BizPriceListItem).filter(
            and_(
                BizPriceListItem.price_list_id == pl.id,
                BizPriceListItem.is_del == 0
            )
        ).all()
        for pit in pl_items:
            pid = str(pit.product_id or "")
            if not pid:
                continue
            coeff_map[pid] = float(pit.pricing_coefficient) if getattr(pit, "pricing_coefficient", None) is not None else None
            final_price_map[pid] = float(pit.price) if pit.price else 0

    region_name = None
    if quotation.region_id:
        region = region_crud.get(db, quotation.region_id)
        region_name = region.name if region else None

    inquiry_title = None
    if quotation.inquiry_id:
        inquiry = inquiry_crud.get(db, quotation.inquiry_id)
        inquiry_title = inquiry.title if inquiry else None

    supplier_name = None
    supplier_phone = None
    if quotation.supplier_id:
        supplier = user_crud.get(db, quotation.supplier_id)
        if supplier:
            supplier_name = supplier.real_name
            supplier_phone = supplier.phone

    item_details = []
    for inq_item in inquiry_items:
        pid = str(getattr(inq_item, "product_id", "") or "")
        q_item = q_item_by_pid.get(pid)
        product = product_crud.get(db, pid) if pid else None
        default_coeff = _numeric_to_float_optional(getattr(product, "price_coefficient", None)) if product else None
        default_coeff = float(default_coeff) if default_coeff is not None else 0.0
        category_name = None
        if product and getattr(product, "category_id", None):
            category = category_crud.get(db, product.category_id)
            category_name = category.name if category else None
        unit_id = None
        unit_name = None
        # unit 优先取报价单项（更准确），否则回退商品默认 unit_id
        if q_item and getattr(q_item, "unit_id", None):
            unit_id = getattr(q_item, "unit_id", None)
        elif product and getattr(product, "unit_id", None):
            unit_id = getattr(product, "unit_id", None)
        if unit_id:
            u = unit_crud.get(db, unit_id)
            unit_name = u.name if u else None
        supplier_price = float(getattr(q_item, "price", 0) or 0) if q_item else 0
        pricing_coeff = coeff_map.get(pid, None)
        if pricing_coeff is None:
            pricing_coeff = default_coeff
        item_details.append({
            "id": getattr(q_item, "id", None) if q_item else None,
            "productId": pid,
            "productName": product.name if product else None,
            "imageUrl": getattr(product, "image_url", None) if product else None,
            "categoryName": category_name,
            "unitId": unit_id,
            "unitName": unit_name,
            "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
            "supplierPrice": supplier_price,
            "pricingCoefficient": pricing_coeff,
            "finalPrice": final_price_map.get(pid, 0),
            # 兼容旧前端字段：price 仍返回供应商报价
            "price": supplier_price
        })

    return success_response({
        "id": quotation.id,
        "inquiryId": quotation.inquiry_id,
        "inquiryTitle": inquiry_title,
        "supplierId": quotation.supplier_id,
        "supplierName": supplier_name,
        "supplierPhone": supplier_phone,
        "regionId": quotation.region_id,
        "regionName": region_name,
        "status": quotation.status,
        "totalAmount": float(quotation.total_amount) if quotation.total_amount else 0,
        "submitTime": str(quotation.submit_time) if quotation.submit_time else None,
        "createAt": str(quotation.create_at) if quotation.create_at else None,
        "items": item_details
    })


# =========================================
# 询价单报价聚合查询（用于询价报价管理页）
# =========================================


@router.get("/inquiries/{inquiry_id}/quotations/latest-by-supplier", response_model=dict)
def list_latest_quotations_by_supplier(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """按询价单聚合：每个供应商最新一次报价（包含未报价供应商）"""
    from app.models.models import (
        BizInquiry,
        BizQuotation,
        SysUser,
        BizInquiryItem,
        BizQuotationItem,
        BasProduct,
        BasProductCategory,
        BasProductUnit,
    )
    from sqlalchemy import and_

    inquiry = db.query(BizInquiry).filter(and_(BizInquiry.id == inquiry_id, BizInquiry.is_del == 0)).first()
    if not inquiry:
        return error_response(404, "询价单不存在")

    # 询价单商品作为主表：后续给每个供应商补齐这些商品行
    inquiry_items = db.query(BizInquiryItem).filter(
        and_(
            BizInquiryItem.inquiry_id == inquiry_id,
            BizInquiryItem.is_del == 0
        )
    ).order_by(BizInquiryItem.create_at.asc()).all()

    # 该区域全部供应商（包含未报价）
    suppliers = db.query(SysUser).filter(
        and_(
            SysUser.role == "supplier",
            SysUser.region_id == inquiry.region_id,
            SysUser.is_del == 0,
            SysUser.is_active == True
        )
    ).order_by(SysUser.create_at.asc()).all()

    # 查询该询价单下全部报价单，然后在内存中取每个供应商最新一条
    quotations = db.query(BizQuotation).filter(
        and_(
            BizQuotation.inquiry_id == inquiry_id,
            BizQuotation.is_del == 0
        )
    ).order_by(BizQuotation.create_at.desc()).all()

    latest_by_supplier: dict[str, BizQuotation] = {}
    for q in quotations:
        if q.supplier_id not in latest_by_supplier:
            latest_by_supplier[q.supplier_id] = q

    # 询价商品维度预取（避免循环内 N+1）
    inquiry_product_ids = [str(getattr(x, "product_id", "") or "") for x in inquiry_items if getattr(x, "product_id", None)]
    inquiry_product_ids = [x for x in inquiry_product_ids if x]
    products = []
    if inquiry_product_ids:
        products = db.query(BasProduct).filter(
            and_(BasProduct.id.in_(inquiry_product_ids), BasProduct.is_del == 0)
        ).all()
    product_map: dict[str, object] = {str(getattr(p, "id", "")): p for p in products}

    category_ids = list({
        str(getattr(p, "category_id", "") or "")
        for p in products if getattr(p, "category_id", None)
    })
    categories = []
    if category_ids:
        categories = db.query(BasProductCategory).filter(
            and_(BasProductCategory.id.in_(category_ids), BasProductCategory.is_del == 0)
        ).all()
    category_map: dict[str, str] = {
        str(getattr(c, "id", "")): str(getattr(c, "name", "") or "")
        for c in categories
    }

    # 最新报价单项批量预取（按 quotation_id + product_id 建映射）
    latest_qids = [str(getattr(q, "id", "") or "") for q in latest_by_supplier.values() if getattr(q, "id", None)]
    quotation_items_by_qid: dict[str, dict[str, object]] = {}
    unit_ids = set(
        str(getattr(p, "unit_id", "") or "")
        for p in products if getattr(p, "unit_id", None)
    )
    if latest_qids:
        q_items = db.query(BizQuotationItem).filter(
            and_(BizQuotationItem.quotation_id.in_(latest_qids), BizQuotationItem.is_del == 0)
        ).all()
        for it in q_items:
            qid = str(getattr(it, "quotation_id", "") or "")
            pid = str(getattr(it, "product_id", "") or "")
            if not qid or not pid:
                continue
            quotation_items_by_qid.setdefault(qid, {})
            if pid not in quotation_items_by_qid[qid]:
                quotation_items_by_qid[qid][pid] = it
            if getattr(it, "unit_id", None):
                unit_ids.add(str(getattr(it, "unit_id", "") or ""))

    units = []
    clean_unit_ids = [x for x in unit_ids if x]
    if clean_unit_ids:
        units = db.query(BasProductUnit).filter(
            and_(BasProductUnit.id.in_(clean_unit_ids), BasProductUnit.is_del == 0)
        ).all()
    unit_map: dict[str, str] = {
        str(getattr(u, "id", "")): str(getattr(u, "name", "") or "")
        for u in units
    }

    # 组装返回：供应商维度 + 最新报价（如无则为空）
    result = []
    for s in suppliers:
        q = latest_by_supplier.get(s.id)
        quotation_items = []
        q_item_by_pid: dict[str, object] = {}
        if q and getattr(q, "id", None):
            q_item_by_pid = quotation_items_by_qid.get(str(q.id), {})

        # LEFT JOIN：以询价单商品为主，补齐未报价商品
        for inq_item in inquiry_items:
            pid = str(getattr(inq_item, "product_id", "") or "")
            it = q_item_by_pid.get(pid)
            product = product_map.get(pid)
            category_name = category_map.get(str(getattr(product, "category_id", "") or ""), None) if product else None

            unit_id = None
            if it and getattr(it, "unit_id", None):
                unit_id = getattr(it, "unit_id", None)
            elif product and getattr(product, "unit_id", None):
                unit_id = getattr(product, "unit_id", None)
            unit_name = unit_map.get(str(unit_id or ""), None) if unit_id else None

            price_val = None
            if it is not None:
                try:
                    price_val = float(getattr(it, "price", 0) or 0)
                except Exception:
                    price_val = 0

            quotation_items.append({
                "id": getattr(it, "id", None) if it else None,
                "productId": pid,
                "productName": product.name if product else None,
                "categoryName": category_name,
                "unitId": unit_id,
                "unitName": unit_name,
                "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
                "imageUrl": getattr(product, "image_url", None) if product else None,
                # 没报价时保持 null，便于前端区分“未报价”与“0元”
                "price": price_val
            })

        result.append({
            "supplierId": s.id,
            "supplierName": s.real_name or s.username,
            "supplierPhone": s.phone,
            # 即使供应商未报价，也返回 quotation.items（=询价单全部商品），用于前端完整展示商品行
            "quotation": {
                "id": q.id if q else None,
                "status": q.status if q else None,
                "totalAmount": float(q.total_amount) if (q and q.total_amount) else 0,
                "submitTime": str(q.submit_time) if (q and q.submit_time) else None,
                "createAt": str(q.create_at) if (q and q.create_at) else None,
                "items": quotation_items
            }
        })

    return success_response({
        "inquiryId": inquiry_id,
        "regionId": inquiry.region_id,
        "list": result,
        "total": len(result)
    })


@router.get("/inquiries/{inquiry_id}/quotations/history", response_model=dict)
def list_quotation_history_by_inquiry(
    inquiry_id: str,
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    supplierId: Optional[str] = Query(None, description="供应商ID"),
    status: Optional[str] = Query(None, description="状态: submitted/selected"),
    startDate: Optional[str] = Query(None, description="开始日期(ISO)"),
    endDate: Optional[str] = Query(None, description="结束日期(ISO)"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """按询价单查看全部报价单（第三个tab）"""
    from app.models.models import BizQuotation, BizInquiry, BizQuotationItem, BizInquiryItem
    from app.crud.quotation import quotation_crud
    from app.crud.user import user_crud
    from sqlalchemy import and_
    from datetime import datetime

    inquiry = db.query(BizInquiry).filter(and_(BizInquiry.id == inquiry_id, BizInquiry.is_del == 0)).first()
    if not inquiry:
        return error_response(404, "询价单不存在")

    query = db.query(BizQuotation).filter(
        and_(
            BizQuotation.is_del == 0,
            BizQuotation.inquiry_id == inquiry_id,
            BizQuotation.region_id == inquiry.region_id
        )
    )
    if supplierId:
        query = query.filter(BizQuotation.supplier_id == supplierId)
    if status:
        query = query.filter(BizQuotation.status == status)

    def _parse_dt(v: Optional[str]) -> Optional[datetime]:
        if not v:
            return None
        try:
            return datetime.fromisoformat(v.replace("Z", "+00:00"))
        except Exception:
            return None

    sd = _parse_dt(startDate)
    ed = _parse_dt(endDate)
    if sd:
        query = query.filter(BizQuotation.create_at >= sd)
    if ed:
        query = query.filter(BizQuotation.create_at <= ed)

    total = query.count()
    quotations = query.order_by(BizQuotation.create_at.desc()).offset((page - 1) * pageSize).limit(pageSize).all()

    supplier_map = {}
    for q in quotations:
        if q.supplier_id and q.supplier_id not in supplier_map:
            u = user_crud.get(db, q.supplier_id)
            supplier_map[q.supplier_id] = u.real_name if u else None

    q_ids = [q.id for q in quotations]
    partial_ids: set[str] = set()
    inquiry_pids = [
        r[0]
        for r in db.query(BizInquiryItem.product_id)
        .filter(BizInquiryItem.inquiry_id == inquiry_id, BizInquiryItem.is_del == 0)
        .all()
    ]
    expected = set(inquiry_pids)
    if q_ids:
        item_rows = (
            db.query(BizQuotationItem.quotation_id, BizQuotationItem.product_id, BizQuotationItem.price)
            .filter(BizQuotationItem.quotation_id.in_(q_ids), BizQuotationItem.is_del == 0)
            .all()
        )
        by_quotation: dict[str, dict[str, object]] = {}
        for qid, pid, price in item_rows:
            by_quotation.setdefault(qid, {})[pid] = price
        for qid in q_ids:
            pmap = by_quotation.get(qid, {})
            if expected:
                for pid in expected:
                    pr = pmap.get(pid)
                    try:
                        pv = float(pr) if pr is not None else 0.0
                    except (TypeError, ValueError):
                        pv = 0.0
                    if pv <= 0:
                        partial_ids.add(qid)
                        break
            else:
                for pr in pmap.values():
                    try:
                        pv = float(pr) if pr is not None else 0.0
                    except (TypeError, ValueError):
                        pv = 0.0
                    if pv <= 0:
                        partial_ids.add(qid)
                        break

    return success_response({
        "list": [{
            "id": q.id,
            "inquiryId": q.inquiry_id,
            "supplierId": q.supplier_id,
            "supplierName": supplier_map.get(q.supplier_id),
            "regionId": q.region_id,
            "status": q.status,
            "totalAmount": float(q.total_amount) if q.total_amount else 0,
            "submitTime": str(q.submit_time) if q.submit_time else None,
            "createAt": str(q.create_at) if q.create_at else None,
            "partialPriceMissing": q.id in partial_ids
        } for q in quotations],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/inquiries/{inquiry_id}/quotations/selected", response_model=dict)
def get_selected_quotation_for_inquiry(
    inquiry_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取某询价单当前被选中的报价（若已生成价格清单，则从价格清单反查）"""
    from app.models.models import (
        BizInquiry,
        BizQuotation,
        BizPriceList,
        BizPriceListItem,
        BizQuotationItem,
        BizInquiryItem,
        BasProduct,
        BasProductCategory,
        BasProductUnit,
    )
    from sqlalchemy import and_
    from app.crud.user import user_crud

    inquiry = db.query(BizInquiry).filter(and_(BizInquiry.id == inquiry_id, BizInquiry.is_del == 0)).first()
    if not inquiry:
        return error_response(404, "询价单不存在")

    # 询价单商品清单（作为主表，确保完整展示）
    inquiry_items = db.query(BizInquiryItem).filter(
        and_(
            BizInquiryItem.inquiry_id == inquiry_id,
            BizInquiryItem.is_del == 0
        )
    ).order_by(BizInquiryItem.create_at.asc()).all()
    inquiry_product_ids = [str(getattr(x, "product_id", "") or "") for x in inquiry_items if getattr(x, "product_id", None)]
    inquiry_product_ids = [x for x in inquiry_product_ids if x]
    products = []
    if inquiry_product_ids:
        products = db.query(BasProduct).filter(
            and_(BasProduct.id.in_(inquiry_product_ids), BasProduct.is_del == 0)
        ).all()
    product_map: dict[str, object] = {str(getattr(p, "id", "")): p for p in products}
    category_ids = list({
        str(getattr(p, "category_id", "") or "")
        for p in products if getattr(p, "category_id", None)
    })
    categories = []
    if category_ids:
        categories = db.query(BasProductCategory).filter(
            and_(BasProductCategory.id.in_(category_ids), BasProductCategory.is_del == 0)
        ).all()
    category_map: dict[str, str] = {
        str(getattr(c, "id", "")): str(getattr(c, "name", "") or "")
        for c in categories
    }

    # 优先从价格清单查来源（允许后续价格已被新的询价覆盖 active）
    pl = db.query(BizPriceList).filter(
        and_(
            BizPriceList.inquiry_id == inquiry_id,
            BizPriceList.is_del == 0
        )
    ).order_by(BizPriceList.version.desc(), BizPriceList.published_time.desc()).first()

    if not pl:
        # 兜底：直接查 selected 报价
        q = db.query(BizQuotation).filter(
            and_(
                BizQuotation.inquiry_id == inquiry_id,
                BizQuotation.status == "selected",
                BizQuotation.is_del == 0
            )
        ).order_by(BizQuotation.create_at.desc()).first()
        if not q:
            # 未选择任何供应商报价时，也返回询价单商品清单（用于前端完整展示）
            item_details = []
            for inq_item in inquiry_items:
                pid = str(getattr(inq_item, "product_id", "") or "")
                product = product_crud.get(db, pid) if pid else None
                default_coeff = _numeric_to_float_optional(getattr(product, "price_coefficient", None)) if product else None
                default_coeff = float(default_coeff) if default_coeff is not None else 0.0
                category_name = None
                if product and getattr(product, "category_id", None):
                    cat = category_crud.get(db, product.category_id)
                    category_name = cat.name if cat else None
                unit_id = getattr(product, "unit_id", None) if product else None
                unit_name = None
                if unit_id:
                    u = unit_crud.get(db, unit_id)
                    unit_name = u.name if u else None
                item_details.append({
                    "productId": pid,
                    "productName": product.name if product else None,
                    "skuCode": getattr(product, "sku_code", None) if product else None,
                    "description": getattr(product, "description", None) if product else None,
                    "imageUrl": getattr(product, "image_url", None) if product else None,
                    "categoryName": category_name,
                    "unitId": unit_id,
                    "unitName": unit_name,
                    "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
                    # 未报价：返回 0 / 0，前端可按需展示为 '-'
                    "supplierPrice": 0,
                    "price": 0,
                    "pricingCoefficient": default_coeff
                })

            return success_response({
                "quotationId": None,
                "quotationCreateAt": None,
                "quotationSubmitTime": None,
                "supplierId": None,
                "supplierName": None,
                "supplierLogoUrl": None,
                "items": item_details
            })
        supplier = user_crud.get(db, q.supplier_id) if q.supplier_id else None
        # 兜底分支也补齐询价单商品行：supplierPrice 从报价项拿，最终售价未知则为 0
        supplier_price_map: dict[str, float] = {}
        q_items = db.query(BizQuotationItem).filter(
            and_(BizQuotationItem.quotation_id == q.id, BizQuotationItem.is_del == 0)
        ).all()
        for qi in q_items:
            if not qi.product_id:
                continue
            supplier_price_map[str(qi.product_id)] = float(qi.price) if qi.price else 0

        item_details = []
        for inq_item in inquiry_items:
            pid = str(getattr(inq_item, "product_id", "") or "")
            product = product_crud.get(db, pid) if pid else None
            default_coeff = _numeric_to_float_optional(getattr(product, "price_coefficient", None)) if product else None
            default_coeff = float(default_coeff) if default_coeff is not None else 0.0
            category_name = None
            if product and getattr(product, "category_id", None):
                cat = category_crud.get(db, product.category_id)
                category_name = cat.name if cat else None
            unit_id = getattr(product, "unit_id", None) if product else None
            unit_name = None
            if unit_id:
                u = unit_crud.get(db, unit_id)
                unit_name = u.name if u else None
            item_details.append({
                "productId": pid,
                "productName": product.name if product else None,
                "skuCode": getattr(product, "sku_code", None) if product else None,
                "description": getattr(product, "description", None) if product else None,
                "imageUrl": getattr(product, "image_url", None) if product else None,
                "categoryName": category_name,
                "unitId": unit_id,
                "unitName": unit_name,
                "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
                # 未报价商品返回 0（兜底分支无法区分 null/0；主流程会更准确）
                "supplierPrice": supplier_price_map.get(pid, 0),
                "price": 0,
                "pricingCoefficient": default_coeff
            })

        return success_response({
            "quotationId": q.id,
            "quotationCreateAt": str(q.create_at) if getattr(q, "create_at", None) else None,
            "quotationSubmitTime": str(q.submit_time) if getattr(q, "submit_time", None) else None,
            "supplierId": q.supplier_id,
            "supplierName": supplier.real_name if supplier else None,
            "supplierLogoUrl": getattr(supplier, "avatar_url", None) if supplier else None,
            "items": item_details
        })

    supplier = user_crud.get(db, pl.supplier_id) if pl.supplier_id else None
    quotation_create_at = None
    quotation_submit_time = None
    if pl.quotation_id:
        q = db.query(BizQuotation).filter(
            and_(
                BizQuotation.id == pl.quotation_id,
                BizQuotation.is_del == 0
            )
        ).first()
        if q:
            quotation_create_at = str(q.create_at) if getattr(q, "create_at", None) else None
            quotation_submit_time = str(q.submit_time) if getattr(q, "submit_time", None) else None
    items = db.query(BizPriceListItem).filter(
        and_(BizPriceListItem.price_list_id == pl.id, BizPriceListItem.is_del == 0)
    ).all()

    # price list item 按 product_id 映射（LEFT JOIN）
    pl_item_by_pid: dict[str, object] = {}
    for it in items:
        pid = str(getattr(it, "product_id", "") or "")
        if pid and pid not in pl_item_by_pid:
            pl_item_by_pid[pid] = it

    supplier_price_map: dict[str, float] = {}
    if pl.quotation_id:
        q_items = db.query(BizQuotationItem).filter(
            and_(BizQuotationItem.quotation_id == pl.quotation_id, BizQuotationItem.is_del == 0)
        ).all()
        for qi in q_items:
            if not qi.product_id:
                continue
            supplier_price_map[str(qi.product_id)] = float(qi.price) if qi.price else 0

    unit_ids = {
        str(getattr(p, "unit_id", "") or "")
        for p in products if getattr(p, "unit_id", None)
    }
    for pit in items:
        if getattr(pit, "unit_id", None):
            unit_ids.add(str(getattr(pit, "unit_id", "") or ""))
    units = []
    clean_unit_ids = [x for x in unit_ids if x]
    if clean_unit_ids:
        units = db.query(BasProductUnit).filter(
            and_(BasProductUnit.id.in_(clean_unit_ids), BasProductUnit.is_del == 0)
        ).all()
    unit_map: dict[str, str] = {
        str(getattr(u, "id", "")): str(getattr(u, "name", "") or "")
        for u in units
    }

    item_details = []
    for inq_item in inquiry_items:
        pid = str(getattr(inq_item, "product_id", "") or "")
        it = pl_item_by_pid.get(pid)
        product = product_map.get(pid)
        default_coeff = _numeric_to_float_optional(getattr(product, "price_coefficient", None)) if product else None
        default_coeff = float(default_coeff) if default_coeff is not None else 0.0
        category_name = category_map.get(str(getattr(product, "category_id", "") or ""), None) if product else None
        unit_id = None
        if it and getattr(it, "unit_id", None):
            unit_id = getattr(it, "unit_id", None)
        elif product and getattr(product, "unit_id", None):
            unit_id = getattr(product, "unit_id", None)
        unit_name = unit_map.get(str(unit_id or ""), None) if unit_id else None
        item_details.append({
            "productId": pid,
            "productName": product.name if product else None,
            "skuCode": getattr(product, "sku_code", None) if product else None,
            "description": getattr(product, "description", None) if product else None,
            "imageUrl": getattr(product, "image_url", None) if product else None,
            "categoryName": category_name,
            "unitId": unit_id,
            "unitName": unit_name,
            "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
            "supplierPrice": supplier_price_map.get(pid, 0),
            # 最终售价来自 price list item；未生成/不存在时返回 0
            "price": float(getattr(it, "price", 0) or 0) if it else 0,
            "pricingCoefficient": float(getattr(it, "pricing_coefficient", 0)) if (it and getattr(it, "pricing_coefficient", None) is not None) else default_coeff
        })

    return success_response({
        "priceListId": pl.id,
        "priceVersion": pl.version,
        "quotationId": pl.quotation_id,
        "quotationCreateAt": quotation_create_at,
        "quotationSubmitTime": quotation_submit_time,
        "supplierId": pl.supplier_id,
        "supplierName": supplier.real_name if supplier else None,
        "supplierLogoUrl": getattr(supplier, "avatar_url", None) if supplier else None,
        "items": item_details
    })


@router.get("/quotation-compare", response_model=dict)
def compare_quotations(
    inquiryId: str = Query(..., description="询价单ID"),
    supplierIds: str = Query(..., description="供应商ID，逗号分隔"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """报价对比（按询价单+供应商）"""
    from app.crud.quotation import quotation_crud, quotation_item_crud

    supplier_id_list = [x.strip() for x in supplierIds.split(",") if x.strip()]
    if len(supplier_id_list) < 2:
        return error_response(400, "至少选择两个供应商")

    quotations, _ = quotation_crud.get_multi_with_filters(
        db,
        inquiry_id=inquiryId,
        skip=0,
        limit=500
    )
    quotations = [q for q in quotations if q.supplier_id in supplier_id_list]
    if not quotations:
        return success_response([])

    # 汇总每个商品在不同供应商下的价格
    compare_map = {}
    for q in quotations:
        items = quotation_item_crud.get_by_quotation(db, q.id)
        for item in items:
            product = product_crud.get(db, item.product_id)
            unit_name = None
            if item.unit_id:
                u = unit_crud.get(db, item.unit_id)
                unit_name = u.name if u else None

            key = f"{item.product_id}:{item.unit_id or ''}"
            row = compare_map.get(key)
            if not row:
                row = {
                    "productId": item.product_id,
                    "productName": product.name if product else item.product_id,
                    "unitId": item.unit_id,
                    "unitName": unit_name,
                    "prices": {},
                    "lowestPrice": None,
                    "highestPrice": None
                }
                compare_map[key] = row

            price_value = float(item.price) if item.price is not None else 0
            row["prices"][q.supplier_id] = price_value

    result = []
    for _, row in compare_map.items():
        price_values = [v for v in row["prices"].values() if v is not None]
        if price_values:
            row["lowestPrice"] = min(price_values)
            row["highestPrice"] = max(price_values)
        else:
            row["lowestPrice"] = 0
            row["highestPrice"] = 0
        result.append(row)

    result.sort(key=lambda x: (x.get("productName") or "", x.get("unitName") or ""))
    return success_response(result)


@router.post("/quotations/{quotation_id}/approve", response_model=dict)
def approve_quotation(
    quotation_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """报价无需审核（接口已停用）"""
    return error_response(410, "报价无需审核：请在“询价报价管理-最新报价对比”中直接选中供应商生效价格")


@router.post("/quotations/{quotation_id}/reject", response_model=dict)
def reject_quotation(
    quotation_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """报价无需审核（接口已停用）"""
    return error_response(410, "报价无需审核：请在“询价报价管理-最新报价对比”中直接选中供应商生效价格")


# =========================================
# 价格清单管理 API (Web端)
# =========================================

@router.get("/price-lists", response_model=dict)
def list_price_lists(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    status: Optional[str] = Query(None, description="状态: draft/pending/active/expired"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取价格清单列表"""
    from app.crud.price_list import price_list_crud
    from app.crud.user import user_crud

    # 区域管理员只能查看自己区域的价格清单
    admin_region_id = get_admin_region_filter(db, current_user)
    if admin_region_id and not regionId:
        regionId = admin_region_id
    elif admin_region_id and regionId != admin_region_id:
        return success_response({
            "list": [],
            "total": 0,
            "page": page,
            "pageSize": pageSize,
            "totalPages": 0
        })

    price_lists, total = price_list_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        status=status,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    region_map = {}
    supplier_map = {}
    publisher_map = {}

    for pl in price_lists:
        if pl.region_id and pl.region_id not in region_map:
            region = region_crud.get(db, pl.region_id)
            region_map[pl.region_id] = region.name if region else None
        if pl.supplier_id and pl.supplier_id not in supplier_map:
            supplier = user_crud.get(db, pl.supplier_id)
            supplier_map[pl.supplier_id] = supplier.real_name if supplier else None
        if pl.published_by and pl.published_by not in publisher_map:
            publisher = user_crud.get(db, pl.published_by)
            publisher_map[pl.published_by] = publisher.real_name if publisher else None

    return success_response({
        "list": [{
            "id": pl.id,
            "regionId": pl.region_id,
            "regionName": region_map.get(pl.region_id),
            "supplierId": pl.supplier_id,
            "supplierName": supplier_map.get(pl.supplier_id),
            "version": pl.version,
            "status": pl.status,
            "effectiveTime": str(pl.effective_time) if pl.effective_time else None,
            "publishedBy": pl.published_by,
            "publishedByName": publisher_map.get(pl.published_by),
            "publishedTime": str(pl.published_time) if pl.published_time else None,
            "remark": pl.remark,
            "createAt": str(pl.create_at) if pl.create_at else None
        } for pl in price_lists],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.post("/price-lists", response_model=dict)
def create_price_list(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建价格清单"""
    from app.crud.price_list import price_list_crud
    from datetime import datetime

    region_id = request.get("regionId")
    supplier_id = request.get("supplierId")
    items = request.get("items", [])
    effective_type = request.get("effectiveType", "immediate")
    effective_time_str = request.get("effectiveTime")
    remark = request.get("remark")

    if not region_id:
        return error_response(400, "请选择区域")
    if not supplier_id:
        return error_response(400, "请选择供应商")
    if not items:
        return error_response(400, "请添加价格项")

    effective_time = None
    if effective_time_str:
        try:
            effective_time = datetime.fromisoformat(effective_time_str.replace("Z", "+00:00"))
        except:
            effective_time = None

    creator = {
        "user_id": current_user.get("user_id"),
        "real_name": current_user.get("real_name")
    }

    price_list = price_list_crud.create_with_items(
        db,
        obj_in={
            "region_id": region_id,
            "supplier_id": supplier_id,
            "effective_time": effective_time,
            "remark": remark
        },
        items=items,
        creator=creator
    )

    # 如果是立即生效，直接发布
    if effective_type == "immediate":
        price_list_crud.publish(
            db,
            price_list.id,
            current_user.get("user_id"),
            effective_type="immediate"
        )

    return success_response({
        "id": price_list.id,
        "message": "创建成功"
    })


@router.get("/price-lists/{price_list_id}", response_model=dict)
def get_price_list(
    price_list_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取价格清单详情"""
    from app.crud.price_list import price_list_crud, price_list_item_crud
    from app.crud.user import user_crud

    price_list = price_list_crud.get(db, price_list_id)
    if not price_list:
        return error_response(404, "价格清单不存在")

    items = price_list_item_crud.get_by_price_list(db, price_list_id)

    # 获取关联信息
    region_name = None
    if price_list.region_id:
        region = region_crud.get(db, price_list.region_id)
        region_name = region.name if region else None

    supplier_name = None
    if price_list.supplier_id:
        supplier = user_crud.get(db, price_list.supplier_id)
        supplier_name = supplier.real_name if supplier else None

    publisher_name = None
    if price_list.published_by:
        publisher = user_crud.get(db, price_list.published_by)
        publisher_name = publisher.real_name if publisher else None

    # 订单关联供应商（来自订单价格清单）
    from app.crud.price_list import price_list_crud
    price_list = price_list_crud.get(db, order.price_list_id) if order.price_list_id else None
    supplier_id_from_price_list = getattr(price_list, "supplier_id", None) if price_list else None
    supplier_name_from_price_list = None
    if supplier_id_from_price_list:
        _sup_u = user_crud.get(db, supplier_id_from_price_list)
        if _sup_u:
            supplier_name_from_price_list = _sup_u.real_name or _sup_u.username
    pl_ids_for_order = [order.price_list_id] if order.price_list_id else []
    pli_map_for_order = _price_list_item_map(db, pl_ids_for_order)

    # 获取商品和单位信息
    item_details = []
    supplier_total_amount = 0.0
    selling_total_amount = 0.0
    for item in items:
        product = product_crud.get(db, item.product_id)
        category_name = None
        if product and product.category_id:
            cat = category_crud.get(db, product.category_id)
            category_name = cat.name if cat else None
        unit_name = None
        if item.unit_id:
            u = unit_crud.get(db, item.unit_id)
            unit_name = u.name if u else None
        qty = float(item.quantity) if item.quantity else 0
        selling_u = float(item.unit_price) if item.unit_price else 0
        selling_amt = float(item.amount) if item.amount else round(qty * selling_u, 2)
        pli = pli_map_for_order.get((order.price_list_id, item.product_id, item.unit_id))
        supplier_u = _supplier_unit_yuan_from_pli(pli)
        if supplier_u is None:
            supplier_u = selling_u
        supplier_amt = round(qty * supplier_u, 2)
        supplier_total_amount += supplier_amt
        selling_total_amount += selling_amt

        item_details.append({
            "id": item.id,
            "productId": item.product_id,
            "productName": product.name if product else None,
            "categoryName": category_name,
            "unitId": item.unit_id,
            "unitName": unit_name,
            "price": float(item.price) if item.price else 0,
            "imageUrl": product.image_url if product else None
        })

    return success_response({
        "id": price_list.id,
        "regionId": price_list.region_id,
        "regionName": region_name,
        "supplierId": price_list.supplier_id,
        "supplierName": supplier_name,
        "version": price_list.version,
        "status": price_list.status,
        "effectiveTime": str(price_list.effective_time) if price_list.effective_time else None,
        "publishedBy": price_list.published_by,
        "publishedByName": publisher_name,
        "publishedTime": str(price_list.published_time) if price_list.published_time else None,
        "remark": price_list.remark,
        "createAt": str(price_list.create_at) if price_list.create_at else None,
        "items": item_details
    })


@router.put("/price-lists/{price_list_id}", response_model=dict)
def update_price_list(
    price_list_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """更新价格清单（只有草稿状态可编辑）"""
    from app.crud.price_list import price_list_crud
    from datetime import datetime

    price_list = price_list_crud.get(db, price_list_id)
    if not price_list:
        return error_response(404, "价格清单不存在")

    if price_list.status != "draft":
        return error_response(400, "只有草稿状态的价格清单可以编辑")

    items = request.get("items")
    effective_time_str = request.get("effectiveTime")
    remark = request.get("remark")

    obj_in = {}
    if effective_time_str:
        try:
            obj_in["effective_time"] = datetime.fromisoformat(effective_time_str.replace("Z", "+00:00"))
        except:
            pass
    if remark is not None:
        obj_in["remark"] = remark

    updater = {
        "user_id": current_user.get("user_id"),
        "real_name": current_user.get("real_name")
    }

    price_list_crud.update_with_items(
        db,
        price_list_id,
        obj_in,
        items=items,
        updater=updater
    )

    return success_response({
        "id": price_list_id,
        "message": "更新成功"
    })


@router.post("/price-lists/{price_list_id}/publish", response_model=dict)
def publish_price_list(
    price_list_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """发布价格清单"""
    from app.crud.price_list import price_list_crud
    from datetime import datetime

    price_list = price_list_crud.get(db, price_list_id)
    if not price_list:
        return error_response(404, "价格清单不存在")

    if price_list.status != "draft":
        return error_response(400, "只有草稿状态的价格清单可以发布")

    effective_type = request.get("effectiveType", "immediate")
    effective_time_str = request.get("effectiveTime")

    effective_time = None
    if effective_time_str:
        try:
            effective_time = datetime.fromisoformat(effective_time_str.replace("Z", "+00:00"))
        except:
            pass

    price_list_crud.publish(
        db,
        price_list_id,
        current_user.get("user_id"),
        effective_time=effective_time,
        effective_type=effective_type
    )

    return success_response({
        "id": price_list_id,
        "message": "发布成功"
    })


@router.post("/price-lists/{price_list_id}/invalidate", response_model=dict)
def invalidate_price_list(
    price_list_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """使价格清单失效"""
    from app.crud.price_list import price_list_crud

    price_list = price_list_crud.get(db, price_list_id)
    if not price_list:
        return error_response(404, "价格清单不存在")

    if price_list.status not in ["active", "pending"]:
        return error_response(400, "只有生效中或待生效的价格清单可以失效")

    price_list_crud.invalidate(db, price_list_id)

    return success_response({
        "id": price_list_id,
        "message": "操作成功"
    })


@router.delete("/price-lists/{price_list_id}", response_model=dict)
def delete_price_list(
    price_list_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除价格清单（只有草稿状态可删除）"""
    from app.crud.price_list import price_list_crud

    price_list = price_list_crud.get(db, price_list_id)
    if not price_list:
        return error_response(404, "价格清单不存在")

    if price_list.status != "draft":
        return error_response(400, "只有草稿状态的价格清单可以删除")

    price_list_crud.delete(db, price_list_id)

    return success_response({
        "message": "删除成功"
    })


@router.get("/price-lists/product-history", response_model=dict)
def get_product_price_history(
    regionId: str = Query(..., description="区域ID"),
    productId: str = Query(..., description="商品ID"),
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(20, ge=1, le=100, description="每页条数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """按商品维度查询价格历史"""
    from app.crud.price_list import price_list_crud, price_list_item_crud

    product = product_crud.get(db, productId)
    if not product:
        return error_response(404, "商品不存在")

    items, total = price_list_item_crud.get_product_price_history(
        db,
        region_id=regionId,
        product_id=productId,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    # 获取单位信息
    for item in items:
        if item.get("unit_id"):
            u = unit_crud.get(db, item["unit_id"])
            item["unitName"] = u.name if u else None

    return success_response({
        "productId": productId,
        "productName": product.name,
        "history": items,
        "total": total,
        "page": page,
        "pageSize": pageSize
    })


@router.get("/price-lists/generate-options", response_model=dict)
def get_generate_price_list_options(
    regionId: str = Query(..., description="区域ID"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取生成价格清单的选项（该区域已提交、尚未被选中的报价单，报价无审核流程）"""
    from app.crud.quotation import quotation_crud, quotation_item_crud
    from app.crud.user import user_crud

    quotations, total = quotation_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        status="submitted",
        skip=0,
        limit=100
    )

    result = []
    for q in quotations:
        supplier = user_crud.get(db, q.supplier_id)
        items = quotation_item_crud.get_by_quotation(db, q.id)

        item_details = []
        for item in items:
            product = product_crud.get(db, item.product_id)
            unit_name = None
            if item.unit_id:
                u = unit_crud.get(db, item.unit_id)
                unit_name = u.name if u else None
            item_details.append({
                "productId": item.product_id,
                "productName": product.name if product else None,
                "unitId": item.unit_id,
                "unitName": unit_name,
                "price": float(item.price) if item.price else 0
            })

        result.append({
            "quotationId": q.id,
            "quotationNo": f"QT{q.create_at.strftime('%Y%m%d%H%M%S') if q.create_at else ''}",
            "supplierId": q.supplier_id,
            "supplierName": supplier.real_name if supplier else None,
            "totalAmount": float(q.total_amount) if q.total_amount else 0,
            "items": item_details
        })

    return success_response({
        "list": result,
        "total": len(result)
    })


@router.get("/price-lists/compare", response_model=dict)
def compare_price_list_versions(
    regionId: str = Query(..., description="区域ID"),
    version1Id: str = Query(..., description="版本1ID"),
    version2Id: str = Query(..., description="版本2ID"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """对比两个价格版本"""
    from app.crud.price_list import price_list_crud, price_list_item_crud

    # 获取两个版本的价格清单
    price_list1 = price_list_crud.get(db, version1Id)
    price_list2 = price_list_crud.get(db, version2Id)

    if not price_list1 or not price_list2:
        return error_response(404, "价格版本不存在")

    if price_list1.region_id != regionId or price_list2.region_id != regionId:
        return error_response(400, "价格版本不属于该区域")

    # 获取两个版本的价格项
    items1 = price_list_item_crud.get_by_price_list(db, version1Id)
    items2 = price_list_item_crud.get_by_price_list(db, version2Id)

    # 构建价格映射
    price_map1 = {item.product_id: item for item in items1}
    price_map2 = {item.product_id: item for item in items2}

    # 获取所有涉及的商品
    all_product_ids = set(price_map1.keys()) | set(price_map2.keys())

    # 构建对比数据
    comparison = []
    for product_id in all_product_ids:
        item1 = price_map1.get(product_id)
        item2 = price_map2.get(product_id)

        product = product_crud.get(db, product_id)
        unit_name = None
        if item1 and item1.unit_id:
            u = unit_crud.get(db, item1.unit_id)
            unit_name = u.name if u else None
        elif item2 and item2.unit_id:
            u = unit_crud.get(db, item2.unit_id)
            unit_name = u.name if u else None

        price1 = float(item1.price) if item1 and item1.price else None
        price2 = float(item2.price) if item2 and item2.price else None

        # 计算差异
        price_diff = None
        price_change = None
        change_rate = None
        if price1 is not None and price2 is not None:
            price_diff = price2 - price1
            if price1 > 0:
                change_rate = round((price_diff / price1) * 100, 2)
                if price_diff > 0:
                    price_change = "up"
                elif price_diff < 0:
                    price_change = "down"
                else:
                    price_change = "same"

        comparison.append({
            "productId": product_id,
            "productName": product.name if product else None,
            "categoryId": product.category_id if product else None,
            "unitId": item1.unit_id if item1 else (item2.unit_id if item2 else None),
            "unitName": unit_name,
            "price1": price1,
            "price2": price2,
            "priceDiff": price_diff,
            "priceChange": price_change,
            "changeRate": change_rate,
            "existIn1": item1 is not None,
            "existIn2": item2 is not None
        })

    # 计算汇总统计
    total_products = len(comparison)
    price_up_count = sum(1 for c in comparison if c["priceChange"] == "up")
    price_down_count = sum(1 for c in comparison if c["priceChange"] == "down")
    price_same_count = sum(1 for c in comparison if c["priceChange"] == "same")
    new_product_count = sum(1 for c in comparison if not c["existIn1"] and c["existIn2"])
    removed_product_count = sum(1 for c in comparison if c["existIn1"] and not c["existIn2"])

    return success_response({
        "version1": {
            "id": price_list1.id,
            "version": price_list1.version,
            "status": price_list1.status,
            "publishedTime": str(price_list1.published_time) if price_list1.published_time else None
        },
        "version2": {
            "id": price_list2.id,
            "version": price_list2.version,
            "status": price_list2.status,
            "publishedTime": str(price_list2.published_time) if price_list2.published_time else None
        },
        "statistics": {
            "totalProducts": total_products,
            "priceUp": price_up_count,
            "priceDown": price_down_count,
            "priceSame": price_same_count,
            "newProducts": new_product_count,
            "removedProducts": removed_product_count
        },
        "comparison": comparison
    })


@router.get("/price-lists/history", response_model=dict)
def get_price_list_history(
    regionId: str = Query(..., description="区域ID"),
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=50, description="每页条数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取价格清单历史版本列表"""
    from app.crud.price_list import price_list_crud
    from app.crud.user import user_crud

    price_lists, total = price_list_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    result = []
    for pl in price_lists:
        supplier = user_crud.get(db, pl.supplier_id)
        region = region_crud.get(db, pl.region_id)

        result.append({
            "id": pl.id,
            "version": pl.version,
            "status": pl.status,
            "statusText": "生效中" if pl.status == "active" else "待生效" if pl.status == "pending" else "已失效" if pl.status == "expired" else "草稿",
            "supplierId": pl.supplier_id,
            "supplierName": supplier.real_name if supplier else None,
            "regionName": region.name if region else None,
            "effectiveTime": str(pl.effective_time) if pl.effective_time else None,
            "publishedTime": str(pl.published_time) if pl.published_time else None,
            "remark": pl.remark,
            "createAt": str(pl.create_at) if pl.create_at else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize
    })


# =========================================
# 订单管理 API (Web端)
# =========================================

# 订单状态映射
ORDER_STATUS_MAP = {
    "pending_payment": "待支付",
    "pending_review_cancel": "待审核取消",
    "pending_dispatch": "待分配配送",
    "delivering": "配送中",
    "pending_confirm": "待确认收货",
    "completed": "已完结",
    "cancelled": "已取消"
}

# 订单状态日志展示（含配送/支付维度的结构化 to_status）
DELIVERY_STATUS_LOG_LABELS = {
    "pending_dispatch": "待分配配送",
    "delivering": "配送中",
    "delivered": "配送完成",
}


def _order_log_status_display_map() -> dict:
    m = dict(ORDER_STATUS_MAP)
    m["delivery.assign"] = "分配配送员"
    m["delivery.reassign"] = "更换配送员"
    for k, v in DELIVERY_STATUS_LOG_LABELS.items():
        m[f"ds_{k}"] = f"配送状态：{v}"
    m["pay_pending_payment"] = "支付状态：待支付"
    m["pay_paid"] = "支付状态：已支付"
    m["pay_refunding"] = "支付状态：退款中"
    m["pay_refunded"] = "支付状态：已退款"
    _task_lbl = {
        "pending": "待分配",
        "assigned": "已分配",
        "supplier_stocking": "供应商备货中",
        "supplier_ready": "备货完成（待取货）",
        "picking": "取货中",
        "delivering": "配送中",
        "completed": "已完成",
        "cancelled": "已取消",
    }
    for k, v in _task_lbl.items():
        m[f"dt_{k}"] = f"配送任务：{v}"
    return m


ORDER_LOG_STATUS_MAP = _order_log_status_display_map()


def _status_log_timeline_description(entry: dict) -> str:
    """与 web-admin 订单详情「操作记录」中对 reason/note 的展示规则保持一致。"""
    note = (entry.get("note") or "").strip()
    raw_reason = entry.get("reason")
    description = note or ""
    if raw_reason and str(raw_reason).strip().startswith("{"):
        try:
            o = json.loads(raw_reason)
            if isinstance(o, dict) and (
                o.get("toDeliverName") is not None or o.get("fromDeliverName") is not None
            ):
                description = f"配送员：{o.get('fromDeliverName') or '—'} → {o.get('toDeliverName') or '—'}"
                if note:
                    description += f"；{note}"
        except json.JSONDecodeError:
            if not description:
                description = str(raw_reason)
    elif raw_reason and not description:
        description = str(raw_reason)
    return description


def _delivery_timeline_type(to_status: str) -> str:
    if to_status == "dt_completed":
        return "success"
    if to_status == "dt_cancelled":
        return "danger"
    return "primary"


def _log_entry_in_delivery_timeline(entry: dict) -> bool:
    ts = entry.get("status") or ""
    if ts in ("delivery.assign", "delivery.reassign"):
        return True
    if ts.startswith("dt_") or ts.startswith("ds_"):
        return True
    return False


def _build_order_delivery_timeline(dtask, log_details: List[dict], order) -> List[dict]:
    """
    配送进度以订单状态日志为权威来源（配送任务 dt_*、配送状态 ds_*、分配配送员等），
    与「操作记录」同源，避免两套拼接逻辑长期漂移。
    """
    events: List[dict] = []
    if dtask is not None and dtask.create_at:
        dr = (getattr(dtask, "dispatch_remark", None) or "").strip() or None
        events.append({
            "time": str(dtask.create_at),
            "title": "配送任务已创建",
            "description": dr or "",
            "type": "info",
            "hollow": False,
        })

    timeline_statuses: set = set()
    for entry in log_details:
        if not _log_entry_in_delivery_timeline(entry):
            continue
        ts_key = entry.get("status") or ""
        timeline_statuses.add(ts_key)
        t = entry.get("createAt")
        if not t:
            continue
        from_t = (entry.get("fromStatusText") or "").strip()
        to_t = (entry.get("statusText") or "").strip() or ts_key or "-"
        title = f"{from_t} → {to_t}" if from_t else to_t
        events.append({
            "time": t,
            "title": title,
            "description": _status_log_timeline_description(entry),
            "type": _delivery_timeline_type(ts_key),
            "hollow": False,
        })

    if dtask is not None:
        if dtask.pickup_time and "dt_picking" not in timeline_statuses:
            pr = (dtask.pickup_remark or "").strip() or ""
            events.append({
                "time": str(dtask.pickup_time),
                "title": "配送任务：取货中",
                "description": pr,
                "type": "primary",
                "hollow": False,
            })
        if "dt_completed" not in timeline_statuses and (
            dtask.status == "completed"
            or (getattr(dtask, "deliverer_status", None) == "delivered")
        ):
            t_end = dtask.delivery_time or getattr(order, "delivered_time", None)
            if t_end:
                dr = (dtask.delivery_remark or "").strip() or ""
                events.append({
                    "time": str(t_end),
                    "title": "配送任务：已完成",
                    "description": dr,
                    "type": "success",
                    "hollow": False,
                })

    events = [e for e in events if e.get("time")]
    events.sort(key=lambda x: str(x.get("time") or ""))
    return events


@router.get("/orders", response_model=dict)
def list_orders(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    status: Optional[str] = Query(None, description="订单状态"),
    orderStatus: Optional[str] = Query(None, description="订单主状态"),
    deliveryStatus: Optional[str] = Query(None, description="配送状态"),
    payStatus: Optional[str] = Query(None, description="支付状态"),
    paymentMethod: Optional[str] = Query(None, description="支付方式: online/offline"),
    clientId: Optional[str] = Query(None, description="客户ID"),
    orderNo: Optional[str] = Query(None, description="订单号"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取订单列表"""
    from app.crud.order import order_crud, order_item_crud
    from sqlalchemy import func

    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None:
        if regionId and regionId not in allowed_region_ids:
            return error_response(403, "无权访问该区域数据")
        if not regionId and allowed_region_ids:
            regionId = sorted(allowed_region_ids)[0]

    orders, total = order_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        status=status,
        order_status=orderStatus,
        delivery_status=deliveryStatus,
        pay_status=payStatus,
        payment_method=paymentMethod,
        client_id=clientId,
        order_no=orderNo,
        start_date=startDate,
        end_date=endDate,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    # 列表页：按订单行汇总供货总金额 / 售出总金额（与订单详情口径一致）
    order_ids_page = [o.id for o in orders]
    oid_to_order = {o.id: o for o in orders}
    items_by_oid: dict = {}
    if order_ids_page:
        for ln in (
            db.query(BizOrderItem)
            .filter(BizOrderItem.order_id.in_(order_ids_page), BizOrderItem.is_del == 0)
            .all()
        ):
            items_by_oid.setdefault(ln.order_id, []).append(ln)
    pl_ids_page = list({o.price_list_id for o in orders if o.price_list_id})
    pli_map_page = _price_list_item_map(db, pl_ids_page) if pl_ids_page else {}
    order_supplier_selling_totals: dict = {}
    for oid, lines in items_by_oid.items():
        o = oid_to_order.get(oid)
        pl_id = o.price_list_id if o else None
        sup_acc = 0.0
        sel_acc = 0.0
        for item in lines:
            qty = float(item.quantity or 0)
            selling_u = float(item.unit_price or 0)
            selling_amt = (
                float(item.amount) if item.amount is not None else round(qty * selling_u, 2)
            )
            pli = pli_map_page.get((pl_id, item.product_id, item.unit_id)) if pl_id else None
            supplier_u = _supplier_unit_yuan_from_pli(pli)
            if supplier_u is None:
                supplier_u = selling_u
            sup_acc += round(qty * supplier_u, 2)
            sel_acc += selling_amt
        order_supplier_selling_totals[oid] = (round(sup_acc, 2), round(sel_acc, 2))

    region_map = {}
    region_delivery_minutes_map = {}
    client_map = {}
    item_count_map: dict[str, int] = {}
    if order_ids_page:
        # 避免 N+1：批量聚合订单项数量
        for row in (
            db.query(BizOrderItem.order_id, func.count(BizOrderItem.id))
            .filter(BizOrderItem.is_del == 0, BizOrderItem.order_id.in_(order_ids_page))
            .group_by(BizOrderItem.order_id)
            .all()
        ):
            item_count_map[str(row[0])] = int(row[1] or 0)

    result = []
    for order in orders:
        order_status = getattr(order, "order_status", None) or "pending_confirm"
        delivery_status = getattr(order, "delivery_status", None) or "pending_dispatch"
        pay_status = getattr(order, "pay_status", None) or "pending_payment"

        # 获取区域名称、预计配送时长
        if order.region_id and order.region_id not in region_map:
            region = region_crud.get(db, order.region_id)
            region_map[order.region_id] = region.name if region else None
            region_delivery_minutes_map[order.region_id] = (
                getattr(region, "expected_delivery_minutes", None) if region else None
            )

        # 获取客户名称
        if order.client_id and order.client_id not in client_map:
            client = user_crud.get(db, order.client_id)
            client_map[order.client_id] = client.real_name if client else None

        item_count = item_count_map.get(order.id, 0)

        _sup_total, _sel_total = order_supplier_selling_totals.get(order.id, (0.0, 0.0))
        result.append({
            "id": order.id,
            "orderNo": order.order_no,
            "clientId": order.client_id,
            "clientName": client_map.get(order.client_id),
            "regionId": order.region_id,
            "regionName": region_map.get(order.region_id),
            "regionExpectedDeliveryMinutes": region_delivery_minutes_map.get(order.region_id),
            "totalAmount": float(order.total_amount) if order.total_amount else 0,
            "supplierTotalAmount": _sup_total,
            "sellingTotalAmount": _sel_total,
            "paidAmount": float(order.paid_amount) if order.paid_amount else 0,
            "receivableAmount": float(order.receivable_amount) if order.receivable_amount else 0,
            "status": order.status,
            "orderStatus": order_status,
            "deliveryStatus": delivery_status,
            "payStatus": pay_status,
            "cancelStatus": getattr(order, "cancel_status", None),
            "paymentMethod": order_crud.normalize_payment_method(order.payment_method),
            "paymentStatus": "paid" if order.paid_amount and order.paid_amount > 0 else "unpaid",
            "itemCount": item_count,
            "createAt": str(order.create_at) if order.create_at else None,
            "paymentTime": str(order.payment_time) if order.payment_time else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/orders/{order_id}", response_model=dict)
def get_order(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取订单详情"""
    from app.crud.order import order_crud, order_item_crud, order_status_log_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    # 获取订单项
    items = order_item_crud.get_by_order(db, order_id)
    from app.crud.price_list import price_list_crud
    price_list = price_list_crud.get(db, order.price_list_id) if order.price_list_id else None
    supplier_id_from_price_list = getattr(price_list, "supplier_id", None) if price_list else None
    supplier_name_from_price_list = None
    if supplier_id_from_price_list:
        _sup_u = user_crud.get(db, supplier_id_from_price_list)
        if _sup_u:
            supplier_name_from_price_list = _sup_u.real_name or _sup_u.username
    pl_ids_for_order = [order.price_list_id] if order.price_list_id else []
    pli_map_for_order = _price_list_item_map(db, pl_ids_for_order)
    from app.crud.price_list import price_list_crud
    price_list = price_list_crud.get(db, order.price_list_id) if order.price_list_id else None
    supplier_id_from_price_list = getattr(price_list, "supplier_id", None) if price_list else None
    supplier_name_from_price_list = None
    if supplier_id_from_price_list:
        _sup_u = user_crud.get(db, supplier_id_from_price_list)
        if _sup_u:
            supplier_name_from_price_list = _sup_u.real_name or _sup_u.username
    pl_ids_for_order = [order.price_list_id] if order.price_list_id else []
    pli_map_for_order = _price_list_item_map(db, pl_ids_for_order)
    from app.crud.price_list import price_list_crud
    price_list = price_list_crud.get(db, order.price_list_id) if order.price_list_id else None
    supplier_id_from_price_list = getattr(price_list, "supplier_id", None) if price_list else None
    supplier_name_from_price_list = None
    if supplier_id_from_price_list:
        _sup_u = user_crud.get(db, supplier_id_from_price_list)
        if _sup_u:
            supplier_name_from_price_list = _sup_u.real_name or _sup_u.username
    pl_ids_for_order = [order.price_list_id] if order.price_list_id else []
    pli_map_for_order = _price_list_item_map(db, pl_ids_for_order)

    # 获取状态日志
    status_logs = order_status_log_crud.get_by_order(db, order_id)

    # 尝试锁定订单（防止并发操作）
    lock_info = None
    operator_id = current_user.get("user_id")
    try:
        order_crud.lock_order(db, order_id, operator_id)
    except ValueError as e:
        # 已被其他用户锁定，返回锁定信息但不阻止查看
        lock_info = {
            "isLocked": True,
            "lockedBy": order.lock_operator_id,
            "lockedTime": str(order.lock_time) if order.lock_time else None,
            "message": str(e)
        }
    else:
        lock_info = {"isLocked": False}

    # 获取关联信息
    region_name = None
    region_expected_delivery_minutes = None
    if order.region_id:
        region = region_crud.get(db, order.region_id)
        region_name = region.name if region else None
        region_expected_delivery_minutes = (
            getattr(region, "expected_delivery_minutes", None) if region else None
        )

    client_name = None
    if order.client_id:
        client = user_crud.get(db, order.client_id)
        client_name = client.real_name if client else None

    # 配送任务明细上的已送达量（订单行 delivered_quantity 可能未同步，展示时与任务明细取大）
    from app.crud.delivery import delivery_task_item_crud as _merge_task_delivered
    _line_delivered_from_task = _merge_task_delivered.get_delivered_quantity_by_order_item(db, order_id)

    # 获取商品和单位信息
    item_details = []
    supplier_total_amount = 0.0
    selling_total_amount = 0.0
    for item in items:
        product = product_crud.get(db, item.product_id)
        unit_name = None
        if item.unit_id:
            u = unit_crud.get(db, item.unit_id)
            unit_name = u.name if u else None
        category_id = None
        category_path = ""
        image_url = None
        measure_value = None
        if product:
            category_id = getattr(product, "category_id", None)
            if category_id:
                category_path = _category_path_display(db, str(category_id))
            image_url = getattr(product, "image_url", None)
            measure_value = _numeric_to_float_optional(getattr(product, "measure_value", None))
        _oi_dq = float(item.delivered_quantity) if item.delivered_quantity else 0.0
        _ti_dq = float(_line_delivered_from_task.get(item.id, 0.0))
        _merged_dq = max(_oi_dq, _ti_dq)
        qty = float(item.quantity) if item.quantity else 0
        selling_u = float(item.unit_price) if item.unit_price else 0
        selling_amt = float(item.amount) if item.amount else round(qty * selling_u, 2)
        pli = pli_map_for_order.get((order.price_list_id, item.product_id, item.unit_id))
        supplier_u = _supplier_unit_yuan_from_pli(pli)
        if supplier_u is None:
            supplier_u = selling_u
        supplier_amt = round(qty * supplier_u, 2)
        supplier_total_amount += supplier_amt
        selling_total_amount += selling_amt
        item_details.append({
            "id": item.id,
            "productId": item.product_id,
            "productName": product.name if product else None,
            "imageUrl": image_url,
            "categoryId": str(category_id) if category_id else None,
            "categoryName": category_path or None,
            "measureValue": measure_value,
            "unitId": item.unit_id,
            "unitName": unit_name,
            "supplierId": supplier_id_from_price_list,
            "supplierName": supplier_name_from_price_list,
            "quantity": qty,
            "unitPrice": selling_u,
            "amount": selling_amt,
            "sellingUnitPrice": selling_u,
            "sellingAmount": selling_amt,
            "supplierUnitPrice": supplier_u,
            "supplierAmount": supplier_amt,
            "deliveredQuantity": _merged_dq,
            "status": item.status
        })

    order_status = getattr(order, "order_status", None) or "pending_confirm"
    delivery_status = getattr(order, "delivery_status", None) or "pending_dispatch"
    pay_status = getattr(order, "pay_status", None) or "pending_payment"

    # 处理状态日志（含配送任务、配送员分配等结构化记录）
    log_details = []
    for log in status_logs:
        log_details.append({
            "fromStatus": log.from_status,
            "fromStatusText": ORDER_LOG_STATUS_MAP.get(
                log.from_status, log.from_status or ""
            ),
            "status": log.to_status,
            "statusText": ORDER_LOG_STATUS_MAP.get(log.to_status, log.to_status),
            # BizOrderStatusLog 无 operator_name 字段，优先使用 create_name
            "operatorName": getattr(log, "create_name", None) or getattr(log, "operator_id", None),
            "operatorRole": log.operator_role,
            "reason": log.reason,
            "note": log.note,
            "createAt": str(log.create_at) if log.create_at else None
        })

    deliver_id_out = None
    deliver_name = None
    deliver_phone = None
    expected_time = None
    delivery_dispatch_remark = None
    delivery_timeline = []
    supplier_id_for_pickup = None
    supplier_name = None
    supplier_phone = None
    supplier_pickup = {"fullAddress": None, "contactPerson": None, "contactPhone": None}
    delivery_task_no = None
    delivery_task_status = None
    delivery_task_deliverer_status = None
    delivery_task_supplier_prepare_status = None
    delivery_pickup_time = None
    delivery_pickup_remark = None
    delivery_delivery_time = None
    delivery_delivery_remark = None
    delivery_prepare_images = []
    delivery_pickup_images = []
    delivery_deliver_images = []

    from app.crud.delivery import delivery_task_crud as _order_delivery_task_crud

    dtask = _order_delivery_task_crud.get_by_order(db, order_id)
    if dtask:
        deliver_id_out = dtask.deliver_id
        delivery_task_no = dtask.task_no
        delivery_task_status = dtask.status
        delivery_task_deliverer_status = getattr(dtask, "deliverer_status", None)
        delivery_task_supplier_prepare_status = getattr(dtask, "supplier_prepare_status", None)
        delivery_pickup_time = str(dtask.pickup_time) if dtask.pickup_time else None
        delivery_pickup_remark = dtask.pickup_remark
        delivery_delivery_time = str(dtask.delivery_time) if dtask.delivery_time else None
        delivery_delivery_remark = dtask.delivery_remark
        if dtask.deliver_id:
            du = user_crud.get(db, dtask.deliver_id)
            if du:
                deliver_name = du.real_name
                deliver_phone = du.phone
        expected_time = str(dtask.effective_time) if dtask.effective_time else None
        delivery_dispatch_remark = getattr(dtask, "dispatch_remark", None) or None
        supplier_id_for_pickup = dtask.supplier_id
        delivery_timeline = _build_order_delivery_timeline(dtask, log_details, order)
        from app.crud.attachment import attachment_crud as _attachment_crud
        delivery_prepare_images = [
            a.file_url for a in _attachment_crud.get_by_business(db, "delivery_prepare", dtask.id) if a.file_url
        ]
        delivery_pickup_images = [
            a.file_url for a in _attachment_crud.get_by_business(db, "delivery_pickup", dtask.id) if a.file_url
        ]
        delivery_deliver_images = [
            a.file_url for a in _attachment_crud.get_by_business(db, "delivery_deliver", dtask.id) if a.file_url
        ]
        # 兼容旧数据：历史仅写在任务字段中
        if not delivery_pickup_images and getattr(dtask, "pickup_image_url", None):
            delivery_pickup_images = [
                s.strip() for s in str(dtask.pickup_image_url).split(",") if s and str(s).strip()
            ]
        if not delivery_deliver_images and getattr(dtask, "delivery_image_url", None):
            delivery_deliver_images = [
                s.strip() for s in str(dtask.delivery_image_url).split(",") if s and str(s).strip()
            ]
    else:
        from app.crud.price_list import price_list_crud
        _pl = price_list_crud.get(db, order.price_list_id)
        if _pl and getattr(_pl, "supplier_id", None):
            supplier_id_for_pickup = _pl.supplier_id
        delivery_timeline = _build_order_delivery_timeline(None, log_details, order)

    if supplier_id_for_pickup:
        _su = user_crud.get(db, supplier_id_for_pickup)
        if _su:
            supplier_name = _su.real_name
            supplier_phone = _su.phone
        supplier_pickup = _supplier_pickup_address_block(db, supplier_id_for_pickup)

    return success_response({
        "id": order.id,
        "orderNo": order.order_no,
        "regionId": order.region_id,
        "regionName": region_name,
        "regionExpectedDeliveryMinutes": region_expected_delivery_minutes,
        "clientId": order.client_id,
        "clientName": client_name,
        "priceListId": order.price_list_id,
        "priceVersion": order.price_version,
        "status": order.status,
        "orderStatus": order_status,
        "deliveryStatus": delivery_status,
        "payStatus": pay_status,
        "paymentMethod": order_crud.normalize_payment_method(order.payment_method),
        "totalAmount": float(order.total_amount) if order.total_amount else 0,
        "sellingTotalAmount": round(selling_total_amount, 2),
        "supplierTotalAmount": round(supplier_total_amount, 2),
        "paidAmount": float(order.paid_amount) if order.paid_amount else 0,
        "receivableAmount": float(order.receivable_amount) if order.receivable_amount else 0,
        "refundAmount": float(order.refund_amount) if order.refund_amount else 0,
        "contactPerson": order.contact_person,
        "contactPhone": order.contact_phone,
        "deliveryAddress": order.delivery_address,
        "remark": order.remark,
        "cancelReason": order.cancel_reason,
        "cancelReviewNote": order.cancel_review_note,
        "createAt": str(order.create_at) if order.create_at else None,
        "paymentTime": str(order.payment_time) if order.payment_time else None,
        "completedTime": str(order.completed_time) if order.completed_time else None,
        "deliverId": deliver_id_out,
        "deliverName": deliver_name,
        "deliverPhone": deliver_phone,
        "expectedTime": expected_time,
        "deliveryDispatchRemark": delivery_dispatch_remark,
        "deliveryTimeline": delivery_timeline,
        "supplierId": supplier_id_for_pickup,
        "supplierName": supplier_name,
        "supplierPhone": supplier_phone,
        "supplierPickup": {
            "address": supplier_pickup.get("fullAddress"),
            "contactPerson": supplier_pickup.get("contactPerson"),
            "contactPhone": supplier_pickup.get("contactPhone"),
        },
        "deliveryTaskNo": delivery_task_no,
        "deliveryTaskStatus": delivery_task_status,
        "deliveryTaskDelivererStatus": delivery_task_deliverer_status,
        "deliveryTaskSupplierPrepareStatus": delivery_task_supplier_prepare_status,
        "deliveryPickupTime": delivery_pickup_time,
        "deliveryPickupRemark": delivery_pickup_remark,
        "deliveryDeliveryTime": delivery_delivery_time,
        "deliveryDeliveryRemark": delivery_delivery_remark,
        "deliveryPrepareImages": delivery_prepare_images,
        "deliveryPickupImages": delivery_pickup_images,
        "deliveryDeliverImages": delivery_deliver_images,
        "items": item_details,
        "statusLogs": log_details,
        "lockInfo": lock_info
    })


@router.post("/orders/{order_id}/unlock", response_model=dict)
def unlock_order(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """手动解锁订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    operator_id = current_user.get("user_id")
    try:
        order_crud.unlock_order(db, order_id, operator_id)
        return success_response({"message": "解锁成功"})
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/orders/{order_id}/review-cancel", response_model=dict)
def review_order_cancel(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """审核取消订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    if getattr(order, "cancel_status", "none") != "pending_review":
        return error_response(400, "只有待审核取消的订单才能审核")

    approved = request.get("approved", False)
    review_note = request.get("reviewNote")

    reviewer_id = current_user.get("user_id")
    order = order_crud.review_cancel(
        db,
        order_id,
        approved=approved,
        reviewer_id=reviewer_id,
        review_note=review_note
    )

    return success_response({
        "id": order.id,
        "status": order.status,
        "orderStatus": getattr(order, "order_status", None),
        "deliveryStatus": getattr(order, "delivery_status", None),
        "payStatus": getattr(order, "pay_status", None),
        "cancelStatus": getattr(order, "cancel_status", None),
        "message": "审核完成"
    })


@router.get("/orders/pending-cancel", response_model=dict)
def list_pending_cancel_orders(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取待审核取消的订单列表"""
    from app.crud.order import order_crud, order_item_crud

    orders, total = order_crud.get_multi_with_filters(
        db,
        cancel_status="pending_review",
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    region_map = {}
    client_map = {}

    result = []
    for order in orders:
        if order.region_id and order.region_id not in region_map:
            region = region_crud.get(db, order.region_id)
            region_map[order.region_id] = region.name if region else None

        if order.client_id and order.client_id not in client_map:
            client = user_crud.get(db, order.client_id)
            client_map[order.client_id] = client.real_name if client else None

        item_count = order_item_crud.get_count_by_order(db, order.id)

        result.append({
            "id": order.id,
            "orderNo": order.order_no,
            "clientId": order.client_id,
            "clientName": client_map.get(order.client_id),
            "regionId": order.region_id,
            "regionName": region_map.get(order.region_id),
            "totalAmount": float(order.total_amount) if order.total_amount else 0,
            "paidAmount": float(order.paid_amount) if order.paid_amount else 0,
            "cancelReason": order.cancel_reason,
            "itemCount": item_count,
            "createAt": str(order.create_at) if order.create_at else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


# =========================================
# 订单锁定管理 API
# =========================================


@router.post("/orders/{order_id}/lock", response_model=dict)
def lock_order(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """锁定订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    try:
        order = order_crud.lock_order(
            db,
            order_id=order_id,
            operator_id=current_user.get("user_id")
        )
        return success_response({
            "id": order.id,
            "lockOperatorId": order.lock_operator_id,
            "lockTime": str(order.lock_time) if order.lock_time else None,
            "message": "锁定成功"
        })
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/orders/{order_id}/unlock", response_model=dict)
def unlock_order(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """解锁订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    try:
        order = order_crud.unlock_order(
            db,
            order_id=order_id,
            operator_id=current_user.get("user_id")
        )
        return success_response({
            "id": order.id,
            "message": "解锁成功"
        })
    except ValueError as e:
        return error_response(400, str(e))


# =========================================
# 订单调整管理 API
# =========================================


@router.post("/orders/{order_id}/adjust", response_model=dict)
def adjust_order(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """订单调整（增量/减量/删除/替代）"""
    import json
    from app.crud.order import order_crud, order_item_crud, order_adjust_crud
    from decimal import Decimal
    from app.models.models import BizDeliveryTask, BizDeliveryTaskItem

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    # 检查订单是否被其他操作员锁定
    operator_id = current_user.get("user_id")
    if order.lock_operator_id and order.lock_operator_id != operator_id:
        lock_time = order.lock_time.strftime("%Y-%m-%d %H:%M:%S") if order.lock_time else "未知"
        return error_response(400, f"订单已被其他操作员于 {lock_time} 锁定，请先解锁后再操作")

    # 仅线下支付订单允许运营调整
    if getattr(order, "payment_method", None) != "offline":
        return error_response(400, "仅线下支付订单支持运营调整")

    # 新状态模型：仅未完成/未取消的线下单支持调整
    if getattr(order, "order_status", None) not in ["pending_payment", "pending_confirm"]:
        return error_response(400, "当前状态不支持调整")

    adjustments = request.get("adjustments", [])
    address_update = request.get("addressUpdate") or {}
    has_address_update = isinstance(address_update, dict) and len(address_update.keys()) > 0
    if not adjustments and not has_address_update:
        return error_response(400, "请提供调整项或地址调整信息")

    operator_name = current_user.get("real_name")

    adjust_results = []

    for adj in adjustments:
        order_item_id = adj.get("orderItemId")
        adjust_type = adj.get("adjustType")  # increase/reduce/delete/substitute
        new_quantity = adj.get("newQuantity")
        new_product_id = adj.get("newProductId")
        reason = adj.get("reason")

        if not order_item_id or not adjust_type:
            continue

        if not reason:
            return error_response(400, "调整原因不能为空")

        # 获取订单项
        item = order_item_crud.get(db, order_item_id)
        if not item or item.order_id != order_id:
            continue

        before_quantity = item.quantity
        before_amount = item.amount

        try:
            if adjust_type == "increase":
                # 增量
                if new_quantity is None or new_quantity < 0:
                    return error_response(400, "增量后数量不能小于0")
                if new_quantity < float(item.quantity):
                    return error_response(400, "增量后数量不能小于原数量")

                new_amount = Decimal(str(new_quantity)) * item.unit_price

                order_item_crud.update_item_adjustment(
                    db, order_item_id,
                    new_quantity=Decimal(str(new_quantity)),
                    new_amount=new_amount,
                    new_status="increased",
                    note=reason,
                    updater_id=operator_id,
                    updater_name=operator_name
                )

                snapshot_items = order_item_crud.get_by_order(db, order_id)
                snapshot = [{
                    "orderItemId": it.id,
                    "productId": it.product_id,
                    "quantity": float(it.quantity) if it.quantity else 0,
                    "status": it.status,
                } for it in snapshot_items if it.is_del == 0]

                order_adjust_crud.create_adjust_record(
                    db,
                    order_id=order_id,
                    order_item_id=order_item_id,
                    adjust_type="increase",
                    operator_id=operator_id,
                    operator_name=operator_name,
                    before_quantity=before_quantity,
                    after_quantity=Decimal(str(new_quantity)),
                    before_amount=before_amount,
                    after_amount=new_amount,
                    difference_amount=new_amount - before_amount,
                    reason=reason,
                    snapshot_items_json=json.dumps(snapshot, ensure_ascii=False)
                )

                adjust_results.append({
                    "orderItemId": order_item_id,
                    "adjustType": "increase",
                    "success": True
                })

            elif adjust_type == "reduce":
                # 减量
                if new_quantity is None or new_quantity < 0:
                    return error_response(400, "减量后数量不能小于0")
                if new_quantity > float(item.quantity):
                    return error_response(400, "减量后数量不能大于原数量")

                new_amount = Decimal(str(new_quantity)) * item.unit_price

                order_item_crud.mark_as_reduced(
                    db, order_item_id,
                    new_quantity=Decimal(str(new_quantity)),
                    new_amount=new_amount,
                    note=reason
                )

                snapshot_items = order_item_crud.get_by_order(db, order_id)
                snapshot = [{
                    "orderItemId": it.id,
                    "productId": it.product_id,
                    "quantity": float(it.quantity) if it.quantity else 0,
                    "status": it.status,
                } for it in snapshot_items if it.is_del == 0]

                # 创建调整记录
                order_adjust_crud.create_adjust_record(
                    db,
                    order_id=order_id,
                    order_item_id=order_item_id,
                    adjust_type="reduce",
                    operator_id=operator_id,
                    operator_name=operator_name,
                    before_quantity=before_quantity,
                    after_quantity=Decimal(str(new_quantity)),
                    before_amount=before_amount,
                    after_amount=new_amount,
                    difference_amount=new_amount - before_amount,
                    reason=reason,
                    snapshot_items_json=json.dumps(snapshot, ensure_ascii=False)
                )

                adjust_results.append({
                    "orderItemId": order_item_id,
                    "adjustType": "reduce",
                    "success": True
                })

            elif adjust_type == "delete":
                # 删除
                order_item_crud.mark_as_deleted(
                    db, order_item_id,
                    note=reason
                )
                snapshot_items = order_item_crud.get_by_order(db, order_id)
                snapshot = [{
                    "orderItemId": it.id,
                    "productId": it.product_id,
                    "quantity": float(it.quantity) if it.quantity else 0,
                    "status": it.status,
                } for it in snapshot_items if it.is_del == 0]

                # 创建调整记录
                order_adjust_crud.create_adjust_record(
                    db,
                    order_id=order_id,
                    order_item_id=order_item_id,
                    adjust_type="delete",
                    operator_id=operator_id,
                    operator_name=operator_name,
                    before_quantity=before_quantity,
                    after_quantity=Decimal("0"),
                    before_amount=before_amount,
                    after_amount=Decimal("0"),
                    difference_amount=-before_amount,
                    reason=reason,
                    snapshot_items_json=json.dumps(snapshot, ensure_ascii=False)
                )

                adjust_results.append({
                    "orderItemId": order_item_id,
                    "adjustType": "delete",
                    "success": True
                })

            elif adjust_type == "substitute":
                # 替代
                if not new_product_id or not new_quantity:
                    return error_response(400, "替代商品ID和数量不能为空")

                # 获取新商品信息
                new_product = product_crud.get(db, new_product_id)
                if not new_product:
                    return error_response(404, "替代商品不存在")

                # 需要获取新商品的价格
                from app.crud.price_list import price_list_item_crud
                price_item = price_list_item_crud.get_by_product_and_price_list(
                    db, new_product_id, order.price_list_id
                )
                if not price_item:
                    return error_response(400, "替代商品不在价格清单中")

                new_unit_price = price_item.price
                new_amount = Decimal(str(new_quantity)) * new_unit_price

                order_item_crud.update_item_adjustment(
                    db, order_item_id,
                    new_quantity=Decimal(str(new_quantity)),
                    new_amount=new_amount,
                    new_status="substituted",
                    note=f"{reason}，替代商品: {new_product.name}",
                    updater_id=operator_id,
                    updater_name=operator_name
                )
                snapshot_items = order_item_crud.get_by_order(db, order_id)
                snapshot = [{
                    "orderItemId": it.id,
                    "productId": it.product_id,
                    "quantity": float(it.quantity) if it.quantity else 0,
                    "status": it.status,
                } for it in snapshot_items if it.is_del == 0]

                # 创建调整记录
                order_adjust_crud.create_adjust_record(
                    db,
                    order_id=order_id,
                    order_item_id=order_item_id,
                    adjust_type="substitute",
                    operator_id=operator_id,
                    operator_name=operator_name,
                    before_quantity=before_quantity,
                    after_quantity=Decimal(str(new_quantity)),
                    before_amount=before_amount,
                    after_amount=new_amount,
                    difference_amount=new_amount - before_amount,
                    reason=reason,
                    substitute_product_id=new_product_id,
                    snapshot_items_json=json.dumps(snapshot, ensure_ascii=False)
                )

                adjust_results.append({
                    "orderItemId": order_item_id,
                    "adjustType": "substitute",
                    "newProductId": new_product_id,
                    "success": True
                })

        except Exception as e:
            adjust_results.append({
                "orderItemId": order_item_id,
                "adjustType": adjust_type,
                "success": False,
                "error": str(e)
            })

    if has_address_update:
        old_delivery_address = order.delivery_address or ""
        old_contact_person = order.contact_person or ""
        old_contact_phone = order.contact_phone or ""

        new_delivery_address = str(address_update.get("deliveryAddress") or old_delivery_address).strip()
        new_contact_person = str(address_update.get("contactPerson") or old_contact_person).strip()
        new_contact_phone = str(address_update.get("contactPhone") or old_contact_phone).strip()
        address_reason = str(address_update.get("reason") or "").strip()

        address_changed = (
            new_delivery_address != old_delivery_address
            or new_contact_person != old_contact_person
            or new_contact_phone != old_contact_phone
        )

        if address_changed:
            order.delivery_address = new_delivery_address
            order.contact_person = new_contact_person
            order.contact_phone = new_contact_phone

            active_task = db.query(BizDeliveryTask).filter(
                BizDeliveryTask.order_id == order_id,
                BizDeliveryTask.is_del == 0
            ).first()
            if active_task:
                task_items = db.query(BizDeliveryTaskItem).filter(
                    BizDeliveryTaskItem.task_id == active_task.id,
                    BizDeliveryTaskItem.is_del == 0
                ).all()
                for task_item in task_items:
                    task_item.delivery_address = new_delivery_address
                    task_item.contact_person = new_contact_person
                    task_item.contact_phone = new_contact_phone
                    task_item.update_at = datetime.now()

            snapshot_items = order_item_crud.get_by_order(db, order_id)
            snapshot = [{
                "orderItemId": it.id,
                "productId": it.product_id,
                "quantity": float(it.quantity) if it.quantity else 0,
                "status": it.status,
            } for it in snapshot_items if it.is_del == 0]

            reason_parts = []
            reason_parts.append(f"地址：{old_delivery_address or '-'} -> {new_delivery_address or '-'}")
            reason_parts.append(f"联系人：{old_contact_person or '-'} -> {new_contact_person or '-'}")
            reason_parts.append(f"电话：{old_contact_phone or '-'} -> {new_contact_phone or '-'}")
            if address_reason:
                reason_parts.append(f"备注：{address_reason}")
            address_log_reason = "；".join(reason_parts)

            order_adjust_crud.create_adjust_record(
                db,
                order_id=order_id,
                order_item_id=None,
                adjust_type="address",
                operator_id=operator_id,
                operator_name=operator_name,
                before_quantity=Decimal("0"),
                after_quantity=Decimal("0"),
                before_amount=Decimal("0"),
                after_amount=Decimal("0"),
                difference_amount=Decimal("0"),
                reason=address_log_reason,
                snapshot_items_json=json.dumps(snapshot, ensure_ascii=False)
            )

            adjust_results.append({
                "adjustType": "address",
                "success": True
            })

    # 重新计算订单应收金额
    all_items = order_item_crud.get_by_order(db, order_id)
    new_total = sum(
        float(item.amount) for item in all_items
        if item.status != "deleted" and item.is_del == 0
    )
    new_receivable = Decimal(str(new_total))

    order.total_amount = new_receivable
    order.receivable_amount = new_receivable
    order.update_at = datetime.now()

    db.commit()
    db.refresh(order)

    return success_response({
        "id": order.id,
        "totalAmount": float(order.total_amount),
        "receivableAmount": float(order.receivable_amount),
        "adjustments": adjust_results,
        "message": "调整成功"
    })


@router.get("/orders/{order_id}/adjusts", response_model=dict)
def list_order_adjusts(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取订单调整记录"""
    import json
    from app.crud.order import order_crud, order_adjust_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    adjusts = order_adjust_crud.get_by_order(db, order_id)

    result = []
    for adj in adjusts:
        result.append({
            "id": adj.id,
            "orderId": adj.order_id,
            "orderItemId": adj.order_item_id,
            "adjustType": adj.adjust_type,
            "beforeQuantity": float(adj.before_quantity) if adj.before_quantity else 0,
            "afterQuantity": float(adj.after_quantity) if adj.after_quantity else 0,
            "beforeAmount": float(adj.before_amount) if adj.before_amount else 0,
            "afterAmount": float(adj.after_amount) if adj.after_amount else 0,
            "differenceAmount": float(adj.difference_amount) if adj.difference_amount else 0,
            "reason": adj.reason,
            "snapshotItems": json.loads(adj.snapshot_items_json) if getattr(adj, "snapshot_items_json", None) else [],
            "operatorName": adj.operator_name,
            "createAt": str(adj.create_at) if adj.create_at else None
        })

    return success_response({
        "list": result,
        "total": len(result)
    })


@router.post("/orders/{order_id}/force-complete", response_model=dict)
def force_complete_order(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """运营强制完结订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    reason = request.get("reason", "运营强制完结")

    try:
        order = order_crud.force_complete(
            db,
            order_id=order_id,
            operator_id=current_user.get("user_id"),
            operator_role="admin",
            reason=reason
        )
        return success_response({
            "id": order.id,
            "status": order.status,
            "orderStatus": getattr(order, "order_status", None) or "pending_confirm",
            "deliveryStatus": getattr(order, "delivery_status", None) or "pending_dispatch",
            "payStatus": getattr(order, "pay_status", None) or "pending_payment",
            "completedTime": str(order.completed_time) if order.completed_time else None,
            "message": "强制完结成功"
        })
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/orders/{order_id}/partial-delivered", response_model=dict)
def mark_partial_delivered(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """已废弃：旧的部分送达流程不再支持。"""
    return error_response(410, "该接口已下线，请使用配送任务状态流转接口")


@router.post("/orders/{order_id}/confirm-partial", response_model=dict)
def confirm_partial_delivery(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """已废弃：旧的部分送达确认流程不再支持。"""
    return error_response(410, "该接口已下线，请使用订单确认收货流程")


@router.post("/orders/{order_id}/create-delivery-task", response_model=dict)
def create_delivery_task_from_order(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """从订单创建配送任务"""
    from app.crud.order import order_crud, order_item_crud
    from app.crud.delivery import delivery_task_crud, delivery_task_item_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    # 只有待分配配送状态可以创建配送任务
    if getattr(order, "delivery_status", None) != "pending_dispatch":
        return error_response(400, "只有待分配配送状态的订单可以创建配送任务")

    # 检查是否已存在配送任务
    existing_task = delivery_task_crud.get_by_order(db, order_id)
    if existing_task:
        return error_response(400, "该订单已存在配送任务")

    # 获取订单关联的价格清单，以获取供应商ID
    from app.crud.price_list import price_list_crud
    price_list = price_list_crud.get(db, order.price_list_id)
    if not price_list:
        return error_response(400, "订单关联的价格清单不存在")

    supplier_id = price_list.supplier_id

    # 获取订单项
    order_items = order_item_crud.get_by_order(db, order_id)

    # 构建配送任务明细数据
    task_items_data = []
    for item in order_items:
        if item.status == "deleted" or item.is_del != 0:
            continue
        task_items_data.append({
            "order_item_id": item.id,
            "product_id": item.product_id,
            "client_id": order.client_id,
            "delivery_address": order.delivery_address,
            "contact_person": order.contact_person,
            "contact_phone": order.contact_phone,
            "quantity": float(item.quantity) if item.quantity else 0
        })

    creator = {
        "user_id": current_user.get("user_id"),
        "real_name": current_user.get("real_name")
    }

    # 创建配送任务及明细
    task, task_items = delivery_task_crud.create_delivery_task_from_order(
        db,
        order_id=order_id,
        order_items=task_items_data,
        supplier_id=supplier_id,
        region_id=order.region_id,
        creator=creator
    )

    # 阶段D收尾：优先维护三字段，再回写旧 status
    from app.core.order_status_compat import derive_legacy_status_from_three
    order.order_status = "pending_confirm"
    order.delivery_status = "delivering"
    order.status = derive_legacy_status_from_three(
        order_status=order.order_status,
        delivery_status=order.delivery_status,
        pay_status=order.pay_status,
    )
    order.delivery_assign_time = datetime.now()
    order.update_at = datetime.now()
    db.commit()

    return success_response({
        "id": task.id,
        "taskNo": task.task_no,
        "status": task.status,
        "effectiveTime": str(task.effective_time) if task.effective_time else None,
        "message": "配送任务创建成功"
    })


@router.post("/orders/{order_id}/assign-deliverer", response_model=dict)
def assign_deliverer_to_order(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """分配配送员并创建配送任务（一步完成）"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    from app.crud.order import order_crud, order_item_crud
    from app.crud.delivery import delivery_task_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    # 检查订单是否被其他操作员锁定
    operator_id = current_user.get("user_id")
    if order.lock_operator_id and order.lock_operator_id != operator_id:
        lock_time = order.lock_time.strftime("%Y-%m-%d %H:%M:%S") if order.lock_time else "未知"
        return error_response(400, f"订单已被其他操作员于 {lock_time} 锁定，请先解锁后再操作")

    deliver_id = request.get("deliverId")
    if not deliver_id:
        return error_response(400, "请选择配送员")

    deadline_raw = request.get("deliveryDeadlineAt") or request.get("delivery_deadline_at")
    if not deadline_raw:
        return error_response(400, "请选择配送时效（截止时间）")

    dispatch_remark_raw = request.get("dispatchRemark") or request.get("dispatch_remark") or ""
    dispatch_remark = str(dispatch_remark_raw).strip()[:500] if dispatch_remark_raw else None

    effective_deadline = None
    try:
        ds = str(deadline_raw).strip().replace("Z", "+00:00")
        effective_deadline = datetime.fromisoformat(ds)
        if effective_deadline.tzinfo is not None:
            effective_deadline = effective_deadline.replace(tzinfo=None)
    except (TypeError, ValueError):
        effective_deadline = None

    if not effective_deadline:
        return error_response(400, "配送时效格式不正确")

    # 验证配送员
    deliver = user_crud.get(db, deliver_id)
    if not deliver:
        return error_response(404, "配送员不存在")
    if deliver.role != "deliver":
        return error_response(400, "该用户不是配送员")
    if not deliver.region_id or deliver.region_id != order.region_id:
        return error_response(400, "只能选择订单所属区域的配送员")

    prev_delivery_status = getattr(order, "delivery_status", None) or "pending_dispatch"
    operator_name = (current_user.get("real_name") or "").strip() or None
    updater = {"user_id": operator_id, "real_name": operator_name}

    # 检查是否已存在配送任务
    existing_task = delivery_task_crud.get_by_order(db, order_id)
    old_deliver_id = existing_task.deliver_id if existing_task else None

    if existing_task:
        task = delivery_task_crud.update_with_history(
            db,
            existing_task.id,
            {
                "deliver_id": deliver_id,
                "status": "assigned",
                "effective_time": effective_deadline,
                "dispatch_remark": dispatch_remark,
            },
            updater=updater,
        )
        if not task:
            return error_response(400, "更新配送任务失败")
    else:
        # 获取供应商ID
        from app.crud.price_list import price_list_crud
        price_list = price_list_crud.get(db, order.price_list_id)
        if not price_list:
            return error_response(400, "订单关联的价格清单不存在")

        # 获取订单项
        order_items = order_item_crud.get_by_order(db, order_id)

        # 构建配送任务明细数据
        task_items_data = []
        for item in order_items:
            if item.status == "deleted" or item.is_del != 0:
                continue
            task_items_data.append({
                "order_item_id": item.id,
                "product_id": item.product_id,
                "client_id": order.client_id,
                "delivery_address": order.delivery_address,
                "contact_person": order.contact_person,
                "contact_phone": order.contact_phone,
                "quantity": float(item.quantity) if item.quantity else 0
            })

        creator = {
            "user_id": current_user.get("user_id"),
            "real_name": current_user.get("real_name")
        }

        # 创建配送任务
        task, _ = delivery_task_crud.create_delivery_task_from_order(
            db,
            order_id=order_id,
            order_items=task_items_data,
            supplier_id=price_list.supplier_id,
            region_id=order.region_id,
            creator=creator
        )

        # 分配配送员
        task.deliver_id = deliver_id
        task.status = "assigned"
        task.effective_time = effective_deadline
        task.dispatch_remark = dispatch_remark
        task.update_at = datetime.now()

    # 分配配送员后同步双状态；首次分配时供应商从待备货起算，更换配送员不重置备货进度
    if task and task.deliver_id:
        task.deliverer_status = "pending_pickup"
        if not old_deliver_id:
            task.supplier_prepare_status = "pending_prepare"
        delivery_task_crud._sync_legacy_status_from_dual(task)

    # 阶段D收尾：优先维护三字段，再回写旧 status
    from app.core.order_status_compat import derive_legacy_status_from_three
    order.order_status = "pending_confirm"
    if not order.delivery_status or order.delivery_status == "pending_dispatch":
        order.delivery_status = "delivering"
    order.status = derive_legacy_status_from_three(
        order_status=order.order_status,
        delivery_status=order.delivery_status,
        pay_status=order.pay_status,
    )
    order.delivery_assign_time = datetime.now()
    order.update_at = datetime.now()

    def _deliver_display_name(uid: Optional[str]) -> Optional[str]:
        if not uid:
            return None
        u = user_crud.get(db, uid)
        return (u.real_name if u else None) or uid

    if not existing_task:
        order_crud._create_status_log(
            db,
            order_id,
            "",
            "delivery.assign",
            operator_id,
            "admin",
            reason=json.dumps(
                {
                    "fromDeliverId": None,
                    "toDeliverId": deliver_id,
                    "fromDeliverName": None,
                    "toDeliverName": deliver.real_name,
                },
                ensure_ascii=False,
            ),
            create_name=operator_name,
        )
    elif old_deliver_id and old_deliver_id != deliver_id:
        order_crud._create_status_log(
            db,
            order_id,
            "",
            "delivery.reassign",
            operator_id,
            "admin",
            reason=json.dumps(
                {
                    "fromDeliverId": old_deliver_id,
                    "toDeliverId": deliver_id,
                    "fromDeliverName": _deliver_display_name(old_deliver_id),
                    "toDeliverName": deliver.real_name,
                },
                ensure_ascii=False,
            ),
            create_name=operator_name,
        )
    elif not old_deliver_id and deliver_id:
        order_crud._create_status_log(
            db,
            order_id,
            "",
            "delivery.assign",
            operator_id,
            "admin",
            reason=json.dumps(
                {
                    "fromDeliverId": None,
                    "toDeliverId": deliver_id,
                    "fromDeliverName": None,
                    "toDeliverName": deliver.real_name,
                },
                ensure_ascii=False,
            ),
            create_name=operator_name,
        )

    if prev_delivery_status != order.delivery_status:
        order_crud._create_status_log(
            db,
            order_id,
            f"ds_{prev_delivery_status}",
            f"ds_{order.delivery_status}",
            operator_id,
            "admin",
            create_name=operator_name,
        )

    db.commit()
    db.refresh(task)

    return success_response({
        "id": task.id,
        "taskNo": task.task_no,
        "deliverId": task.deliver_id,
        "deliverName": deliver.real_name,
        "status": task.status,
        "effectiveTime": str(task.effective_time) if task.effective_time else None,
        "message": "配送员分配成功"
    })


@router.post("/orders/{order_id}/assign-delivery", response_model=dict)
def assign_delivery_alias(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """兼容旧路径：与 assign-deliverer 相同"""
    return assign_deliverer_to_order(order_id, request, db, current_user)


# =========================================
# 结算管理 API (Web端)
# =========================================


def _build_settlement_no(prefix: str) -> str:
    return f"{prefix}{datetime.now().strftime('%Y%m%d%H%M%S')}{str(uuid.uuid4().hex)[:6].upper()}"


def _parse_datetime_range(start_date: Optional[str], end_date: Optional[str]):
    dt_start = None
    dt_end = None
    if start_date:
        try:
            dt_start = datetime.fromisoformat(start_date.replace("Z", "+00:00"))
        except Exception:
            dt_start = None
    if end_date:
        try:
            dt_end = datetime.fromisoformat(end_date.replace("Z", "+00:00"))
        except Exception:
            dt_end = None
    return dt_start, dt_end


def _supplier_unit_yuan_from_pli(pli: Optional[BizPriceListItem]) -> Optional[float]:
    """价格清单行 price 为面向客户的最终单价；pricing_coefficient 为调价系数(%)，供货单价 = price / (1 + 系数/100)。"""
    if pli is None or getattr(pli, "price", None) is None:
        return None
    final_price = Decimal(str(pli.price))
    raw_coeff = getattr(pli, "pricing_coefficient", None)
    if raw_coeff is None:
        coeff_pct = Decimal("0")
    else:
        try:
            coeff_pct = Decimal(str(raw_coeff))
        except Exception:
            coeff_pct = Decimal("0")
    factor = Decimal("1") + coeff_pct / Decimal("100")
    if factor <= Decimal("0"):
        factor = Decimal("1")
    supplier_unit = (final_price / factor).quantize(Decimal("0.01"))
    return float(supplier_unit)


def _price_list_item_map(db: Session, price_list_ids: List[str]) -> dict:
    """(price_list_id, product_id, unit_id) -> BizPriceListItem"""
    if not price_list_ids:
        return {}
    rows = (
        db.query(BizPriceListItem)
        .filter(BizPriceListItem.price_list_id.in_(price_list_ids), BizPriceListItem.is_del == 0)
        .all()
    )
    return {(r.price_list_id, r.product_id, r.unit_id): r for r in rows}


def _batch_supplier_totals_for_orders(db: Session, order_ids: List[str]) -> dict:
    """订单维度供货价合计（元），用于供应商结算。"""
    if not order_ids:
        return {}
    orders = db.query(BizOrder).filter(BizOrder.id.in_(order_ids), BizOrder.is_del == 0).all()
    om = {o.id: o for o in orders}
    lines = (
        db.query(BizOrderItem)
        .filter(BizOrderItem.order_id.in_(order_ids), BizOrderItem.is_del == 0)
        .all()
    )
    by_oid: dict = {}
    for ln in lines:
        by_oid.setdefault(ln.order_id, []).append(ln)
    pl_ids = list({om[oid].price_list_id for oid in order_ids if oid in om and om[oid].price_list_id})
    pli_map = _price_list_item_map(db, pl_ids)
    out: dict = {}
    for oid in order_ids:
        o = om.get(oid)
        if not o:
            out[oid] = 0.0
            continue
        tot = Decimal("0")
        for ln in by_oid.get(oid, []):
            pli = pli_map.get((o.price_list_id, ln.product_id, ln.unit_id))
            sup_u = _supplier_unit_yuan_from_pli(pli)
            if sup_u is None:
                sup_u = float(ln.unit_price or 0)
            qty = Decimal(str(ln.quantity or 0))
            tot += qty * Decimal(str(sup_u))
        out[oid] = float(tot.quantize(Decimal("0.01")))
    return out


def _build_order_line_children_for_settlement_list(
    db: Session,
    order: BizOrder,
    lines: List[BizOrderItem],
    pli_map: dict,
    product_map: dict,
    unit_map: dict,
) -> List[dict]:
    children: List[dict] = []
    for ln in lines:
        p = product_map.get(ln.product_id)
        u = unit_map.get(ln.unit_id)
        pli = pli_map.get((order.price_list_id, ln.product_id, ln.unit_id))
        sup_u = _supplier_unit_yuan_from_pli(pli)
        if sup_u is None:
            sup_u = float(ln.unit_price or 0)
        sell_u = float(ln.unit_price or 0)
        qty = float(ln.quantity or 0)
        sell_amt = float(ln.amount or 0) if ln.amount is not None else round(qty * sell_u, 2)
        sup_amt = round(qty * sup_u, 2)
        img = None
        if p and getattr(p, "image_url", None):
            img = str(p.image_url).strip() or None
        mv = None
        if p is not None and p.measure_value is not None:
            try:
                mv = float(p.measure_value)
            except (TypeError, ValueError):
                mv = None
        children.append({
            "rowType": "line",
            "id": f"line-{ln.id}",
            "lineId": ln.id,
            "productId": ln.product_id,
            "productName": p.name if p else None,
            "skuCode": p.sku_code if p else None,
            "imageUrl": img,
            "unitName": u.name if u else None,
            "measureValue": mv,
            "quantity": qty,
            "sellingUnitPrice": sell_u,
            "sellingAmount": sell_amt,
            "supplierUnitPrice": sup_u,
            "supplierAmount": sup_amt,
        })
    return children


def _build_client_pending_settlement_tree_rows(
    db: Session,
    orders: List[BizOrder],
    client_map: dict,
) -> List[dict]:
    if not orders:
        return []
    # 避免模块级循环依赖：在需要处局部导入
    from app.crud.order import order_crud
    order_ids = [o.id for o in orders]
    region_ids = list({o.region_id for o in orders if o.region_id})
    region_map: dict = {}
    for rid in region_ids:
        region = region_crud.get(db, rid)
        region_map[rid] = region.name if region else None
    lines = (
        db.query(BizOrderItem)
        .filter(BizOrderItem.order_id.in_(order_ids), BizOrderItem.is_del == 0)
        .order_by(BizOrderItem.order_id.asc(), BizOrderItem.create_at.asc())
        .all()
    )
    by_oid: dict = {}
    for ln in lines:
        by_oid.setdefault(ln.order_id, []).append(ln)
    product_ids = list({ln.product_id for ln in lines})
    unit_ids = list({ln.unit_id for ln in lines})
    products = (
        db.query(BasProduct).filter(BasProduct.id.in_(product_ids), BasProduct.is_del == 0).all()
    ) if product_ids else []
    product_map = {p.id: p for p in products}
    units = (
        db.query(BasProductUnit).filter(BasProductUnit.id.in_(unit_ids), BasProductUnit.is_del == 0).all()
    ) if unit_ids else []
    unit_map = {u.id: u for u in units}
    pl_ids = list({o.price_list_id for o in orders if o.price_list_id})
    pli_map = _price_list_item_map(db, pl_ids)
    price_lists = (
        db.query(BizPriceList).filter(BizPriceList.id.in_(pl_ids), BizPriceList.is_del == 0).all()
    ) if pl_ids else []
    supplier_id_by_price_list = {p.id: p.supplier_id for p in price_lists}
    supplier_ids = list({sid for sid in supplier_id_by_price_list.values() if sid})
    suppliers = (
        db.query(SysUser).filter(SysUser.id.in_(supplier_ids), SysUser.is_del == 0).all()
    ) if supplier_ids else []
    supplier_name_map = {u.id: (u.real_name or u.username) for u in suppliers}

    out: List[dict] = []
    for o in orders:
        ch = _build_order_line_children_for_settlement_list(
            db, o, by_oid.get(o.id, []), pli_map, product_map, unit_map
        )
        sup_ref = sum(c["supplierAmount"] for c in ch)
        normalized_payment_method = order_crud.normalize_payment_method(o.payment_method)
        sel = (
            o.order_status == "completed"
            and normalized_payment_method == "offline"
            and getattr(o, "client_settlement_status", None) == "pending"
        )
        out.append({
            "rowType": "order",
            "id": o.id,
            "orderNo": o.order_no,
            "clientId": o.client_id,
            "clientName": client_map.get(o.client_id),
            "regionId": o.region_id,
            "regionName": region_map.get(o.region_id),
            "supplierId": supplier_id_by_price_list.get(o.price_list_id),
            "supplierName": supplier_name_map.get(supplier_id_by_price_list.get(o.price_list_id)),
            "totalAmount": float(o.total_amount or 0),
            "settlementAmount": float(o.total_amount or 0),
            "supplierReferenceTotal": round(sup_ref, 2),
            "orderStatus": o.order_status,
            "settlementSelectable": sel,
            "paymentMethod": normalized_payment_method,
            "clientSettlementStatus": o.client_settlement_status,
            "supplierSettlementStatus": o.supplier_settlement_status,
            "createAt": str(o.create_at) if o.create_at else None,
            "children": ch,
        })
    return out


def _build_supplier_pending_settlement_tree_rows(
    db: Session,
    order_supplier_pairs: List[Tuple[BizOrder, Optional[str]]],
    supplier_map: dict,
) -> List[dict]:
    if not order_supplier_pairs:
        return []
    # 避免模块级循环依赖：在需要处局部导入
    from app.crud.order import order_crud
    orders = [p[0] for p in order_supplier_pairs]
    sup_by_oid = {p[0].id: p[1] for p in order_supplier_pairs}
    order_ids = [o.id for o in orders]
    lines = (
        db.query(BizOrderItem)
        .filter(BizOrderItem.order_id.in_(order_ids), BizOrderItem.is_del == 0)
        .order_by(BizOrderItem.order_id.asc(), BizOrderItem.create_at.asc())
        .all()
    )
    by_oid: dict = {}
    for ln in lines:
        by_oid.setdefault(ln.order_id, []).append(ln)
    product_ids = list({ln.product_id for ln in lines})
    unit_ids = list({ln.unit_id for ln in lines})
    products = (
        db.query(BasProduct).filter(BasProduct.id.in_(product_ids), BasProduct.is_del == 0).all()
    ) if product_ids else []
    product_map = {p.id: p for p in products}
    units = (
        db.query(BasProductUnit).filter(BasProductUnit.id.in_(unit_ids), BasProductUnit.is_del == 0).all()
    ) if unit_ids else []
    unit_map = {u.id: u for u in units}
    pl_ids = list({o.price_list_id for o in orders if o.price_list_id})
    pli_map = _price_list_item_map(db, pl_ids)
    client_ids = list({o.client_id for o in orders if o.client_id})
    client_map: dict = {}
    if client_ids:
        clients = db.query(SysUser).filter(SysUser.id.in_(client_ids), SysUser.is_del == 0).all()
        client_map = {u.id: (u.real_name or u.username) for u in clients}
    region_ids = list({o.region_id for o in orders if o.region_id})
    region_map: dict = {}
    for rid in region_ids:
        region = region_crud.get(db, rid)
        region_map[rid] = region.name if region else None

    out: List[dict] = []
    for o in orders:
        ch = _build_order_line_children_for_settlement_list(
            db, o, by_oid.get(o.id, []), pli_map, product_map, unit_map
        )
        sup_order_total = sum(c["supplierAmount"] for c in ch)
        normalized_payment_method = order_crud.normalize_payment_method(o.payment_method)
        sel = (
            o.order_status == "completed"
            and normalized_payment_method == "offline"
            and getattr(o, "client_settlement_status", None) == "pending"
        )
        sid = sup_by_oid.get(o.id)
        out.append({
            "rowType": "order",
            "id": o.id,
            "orderNo": o.order_no,
            "clientId": o.client_id,
            "clientName": client_map.get(o.client_id),
            "regionId": o.region_id,
            "regionName": region_map.get(o.region_id),
            "supplierId": sid,
            "supplierName": supplier_map.get(sid) if sid else None,
            "settlementAmount": round(sup_order_total, 2),
            "totalAmount": float(o.total_amount or 0),
            "clientSellingTotal": float(o.total_amount or 0),
            "orderStatus": o.order_status,
            "settlementSelectable": sel,
            "supplierSettlementStatus": o.supplier_settlement_status,
            "clientSettlementStatus": o.client_settlement_status,
            "paymentMethod": normalized_payment_method,
            "createAt": str(o.create_at) if o.create_at else None,
            "children": ch,
        })
    return out


@router.get("/client-settlements/orders", response_model=dict)
def list_client_settlement_orders(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100),
    clientId: Optional[str] = Query(None),
    keyword: Optional[str] = Query(None, description="订单号"),
    startDate: Optional[str] = Query(None),
    endDate: Optional[str] = Query(None),
    regionId: Optional[str] = Query(None, description="区域（Tab）；超级管理员可选，区域管理员忽略"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    admin_region_id = get_admin_region_filter(db, current_user)
    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None and regionId and regionId not in allowed_region_ids:
        return error_response(403, "无权访问该区域数据")
    eff_region_id = _effective_settlement_region_id(admin_region_id, regionId)
    dt_start, dt_end = _parse_datetime_range(startDate, endDate)
    q = db.query(BizOrder).filter(
        BizOrder.is_del == 0,
        BizOrder.order_status != "cancelled",
        BizOrder.payment_method == "offline",
        BizOrder.client_settlement_status == "pending",
    )
    if eff_region_id:
        q = q.filter(BizOrder.region_id == eff_region_id)
    if clientId:
        q = q.filter(BizOrder.client_id == clientId)
    if keyword:
        q = q.filter(BizOrder.order_no.like(f"%{keyword}%"))
    if dt_start:
        q = q.filter(BizOrder.create_at >= dt_start)
    if dt_end:
        q = q.filter(BizOrder.create_at <= dt_end)

    total = q.count()
    settleable_order_count = q.filter(BizOrder.order_status == "completed").count()
    q_done = q.filter(BizOrder.order_status == "completed")
    pending_amount = float(
        q_done.with_entities(func.coalesce(func.sum(BizOrder.total_amount), 0)).scalar() or 0
    )
    rows = q.order_by(BizOrder.create_at.desc()).offset((page - 1) * pageSize).limit(pageSize).all()

    client_ids = list({r.client_id for r in rows if r.client_id})
    client_map = {}
    if client_ids:
        for u in db.query(SysUser).filter(SysUser.id.in_(client_ids)).all():
            client_map[u.id] = u.real_name or u.username

    data = _build_client_pending_settlement_tree_rows(db, rows, client_map)
    current_page_amount = float(sum((o.total_amount or 0) for o in rows if o.order_status == "completed"))

    return success_response({
        "list": data,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize,
        "summary": {
            "pendingAmount": pending_amount,
            "currentPageAmount": current_page_amount,
            "settleableOrderCount": settleable_order_count,
        },
    })


@router.get("/supplier-settlements/orders", response_model=dict)
def list_supplier_settlement_orders(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100),
    supplierId: Optional[str] = Query(None),
    keyword: Optional[str] = Query(None, description="订单号"),
    startDate: Optional[str] = Query(None),
    endDate: Optional[str] = Query(None),
    regionId: Optional[str] = Query(None, description="区域（Tab）；超级管理员可选，区域管理员忽略"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    admin_region_id = get_admin_region_filter(db, current_user)
    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None and regionId and regionId not in allowed_region_ids:
        return error_response(403, "无权访问该区域数据")
    eff_region_id = _effective_settlement_region_id(admin_region_id, regionId)
    dt_start, dt_end = _parse_datetime_range(startDate, endDate)
    q = db.query(BizOrder, BizPriceList.supplier_id).join(
        BizPriceList, BizPriceList.id == BizOrder.price_list_id
    ).filter(
        BizOrder.is_del == 0,
        BizOrder.order_status != "cancelled",
        BizOrder.supplier_settlement_status == "pending",
    )
    if eff_region_id:
        q = q.filter(BizOrder.region_id == eff_region_id)
    if supplierId:
        q = q.filter(BizPriceList.supplier_id == supplierId)
    if keyword:
        q = q.filter(BizOrder.order_no.like(f"%{keyword}%"))
    if dt_start:
        q = q.filter(BizOrder.create_at >= dt_start)
    if dt_end:
        q = q.filter(BizOrder.create_at <= dt_end)

    total = q.count()
    settleable_order_count = q.filter(BizOrder.order_status == "completed").count()
    q_done = q.filter(BizOrder.order_status == "completed")
    done_pairs = q_done.with_entities(BizOrder.id).all()
    done_oids = [x[0] for x in done_pairs]
    totals_map = _batch_supplier_totals_for_orders(db, done_oids)
    pending_amount = float(sum(totals_map.values()))
    rows = q.order_by(BizOrder.create_at.desc()).offset((page - 1) * pageSize).limit(pageSize).all()

    supplier_ids = list({s_id for _, s_id in rows if s_id})
    supplier_map = {}
    if supplier_ids:
        for u in db.query(SysUser).filter(SysUser.id.in_(supplier_ids)).all():
            supplier_map[u.id] = u.real_name or u.username

    data = _build_supplier_pending_settlement_tree_rows(db, rows, supplier_map)
    page_done_ids = [o.id for o, _ in rows if o.order_status == "completed"]
    page_totals = _batch_supplier_totals_for_orders(db, page_done_ids)
    current_page_amount = float(sum(page_totals.values()))

    return success_response({
        "list": data,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize,
        "summary": {
            "pendingAmount": pending_amount,
            "currentPageAmount": current_page_amount,
            "settleableOrderCount": settleable_order_count,
        },
    })


@router.get("/client-settlements/history-summary", response_model=dict)
def get_client_settlement_history_summary(
    regionId: Optional[str] = Query(None, description="区域（Tab）；超级管理员可选"),
    clientId: Optional[str] = Query(None, description="客户ID；不传则汇总当前区域下全部客户"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """待结算页用：当前检索条件下已结算批次的历史金额与历史订单笔数。"""
    admin_region_id = get_admin_region_filter(db, current_user)
    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None and regionId and regionId not in allowed_region_ids:
        return error_response(403, "无权访问该区域数据")
    eff_region_id = _effective_settlement_region_id(admin_region_id, regionId)
    amt, cnt = _aggregate_client_settlement_history(db, eff_region_id, clientId)
    return success_response({
        "historicalSettledAmount": amt,
        "historicalSettledOrderCount": cnt,
    })


@router.get("/supplier-settlements/history-summary", response_model=dict)
def get_supplier_settlement_history_summary(
    regionId: Optional[str] = Query(None, description="区域（Tab）；超级管理员可选"),
    supplierId: Optional[str] = Query(None, description="供应商ID；不传则汇总当前区域下全部供应商"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """待结算页用：当前检索条件下已结算批次的历史金额与历史订单笔数。"""
    admin_region_id = get_admin_region_filter(db, current_user)
    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None and regionId and regionId not in allowed_region_ids:
        return error_response(403, "无权访问该区域数据")
    eff_region_id = _effective_settlement_region_id(admin_region_id, regionId)
    amt, cnt = _aggregate_supplier_settlement_history(db, eff_region_id, supplierId)
    return success_response({
        "historicalSettledAmount": amt,
        "historicalSettledOrderCount": cnt,
    })


def _resolve_client_order_ids(db: Session, body: dict, admin_region_id: Optional[str]) -> List[str]:
    selection_mode = (body.get("selectionMode") or "ids").strip()
    filters = body.get("filters") or {}
    eff_region = _effective_settlement_region_id(admin_region_id, filters.get("regionId"))
    if selection_mode == "allFiltered":
        dt_start, dt_end = _parse_datetime_range(filters.get("startDate"), filters.get("endDate"))
        q = db.query(BizOrder.id).filter(
            BizOrder.is_del == 0,
            BizOrder.order_status != "cancelled",
            BizOrder.order_status == "completed",
            BizOrder.payment_method == "offline",
            BizOrder.client_settlement_status == "pending",
        )
        if eff_region:
            q = q.filter(BizOrder.region_id == eff_region)
        if filters.get("clientId"):
            q = q.filter(BizOrder.client_id == filters["clientId"])
        if filters.get("keyword"):
            q = q.filter(BizOrder.order_no.like(f"%{filters['keyword']}%"))
        if dt_start:
            q = q.filter(BizOrder.create_at >= dt_start)
        if dt_end:
            q = q.filter(BizOrder.create_at <= dt_end)
        order_ids = [x[0] for x in q.all()]
        excluded = set(body.get("excludedOrderIds") or [])
        return [oid for oid in order_ids if oid not in excluded]
    return list(set(body.get("orderIds") or []))


def _resolve_supplier_order_ids(db: Session, body: dict, admin_region_id: Optional[str]) -> List[str]:
    selection_mode = (body.get("selectionMode") or "ids").strip()
    filters = body.get("filters") or {}
    eff_region = _effective_settlement_region_id(admin_region_id, filters.get("regionId"))
    if selection_mode == "allFiltered":
        dt_start, dt_end = _parse_datetime_range(filters.get("startDate"), filters.get("endDate"))
        q = db.query(BizOrder.id).join(
            BizPriceList, BizPriceList.id == BizOrder.price_list_id
        ).filter(
            BizOrder.is_del == 0,
            BizOrder.order_status != "cancelled",
            BizOrder.order_status == "completed",
            BizOrder.supplier_settlement_status == "pending",
        )
        if eff_region:
            q = q.filter(BizOrder.region_id == eff_region)
        if filters.get("supplierId"):
            q = q.filter(BizPriceList.supplier_id == filters["supplierId"])
        if filters.get("keyword"):
            q = q.filter(BizOrder.order_no.like(f"%{filters['keyword']}%"))
        if dt_start:
            q = q.filter(BizOrder.create_at >= dt_start)
        if dt_end:
            q = q.filter(BizOrder.create_at <= dt_end)
        order_ids = [x[0] for x in q.all()]
        excluded = set(body.get("excludedOrderIds") or [])
        return [oid for oid in order_ids if oid not in excluded]
    return list(set(body.get("orderIds") or []))


@router.post("/client-settlements", response_model=dict)
def create_client_settlement(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    admin_region_id = get_admin_region_filter(db, current_user)
    body = dict(request or {})
    voucher_urls = body.get("voucherUrls") or []
    order_ids = _resolve_client_order_ids(db, body, admin_region_id)
    if not order_ids:
        return error_response(400, "未选择可结算订单")

    orders = db.query(BizOrder).filter(
        BizOrder.id.in_(order_ids),
        BizOrder.is_del == 0,
        BizOrder.order_status == "completed",
        BizOrder.payment_method == "offline",
        BizOrder.client_settlement_status == "pending",
    ).all()
    if not orders:
        return error_response(400, "无可结算订单")

    eff_region = _effective_settlement_region_id(
        admin_region_id, (body.get("filters") or {}).get("regionId")
    )
    if eff_region and any((o.region_id or "") != eff_region for o in orders):
        return error_response(400, "存在不属于当前区域的订单")

    total_amount = sum((o.total_amount or 0) for o in orders)
    client_id = orders[0].client_id
    if any(o.client_id != client_id for o in orders):
        return error_response(400, "客户结算必须选择同一客户")

    client = user_crud.get(db, client_id)
    now = datetime.now()
    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    settlement = OrdClientSettlement(
        id=generate_id(),
        settlement_no=_build_settlement_no("CST"),
        client_id=client_id,
        client_name=(client.real_name if client else None),
        order_count=len(orders),
        total_amount=total_amount,
        voucher_urls=json.dumps(voucher_urls, ensure_ascii=False),
        remark=body.get("remark"),
        settlement_at=now,
        status="done",
        create_by=creator["user_id"],
        create_name=creator["real_name"],
        update_by=creator["user_id"],
    )
    db.add(settlement)
    db.flush()

    for order in orders:
        db.add(OrdClientSettlementItem(
            id=generate_id(),
            settlement_id=settlement.id,
            order_id=order.id,
            order_no=order.order_no,
            client_id=order.client_id,
            order_amount=order.total_amount or 0,
            create_by=creator["user_id"],
            create_name=creator["real_name"],
            update_by=creator["user_id"],
        ))
        order.client_settlement_status = "settled"
        order.client_settlement_at = now
        order.update_by = creator["user_id"]
        order.update_at = now

    db.commit()
    return success_response({
        "id": settlement.id,
        "settlementNo": settlement.settlement_no,
        "orderCount": settlement.order_count,
        "totalAmount": float(settlement.total_amount or 0),
    })


@router.post("/supplier-settlements", response_model=dict)
def create_supplier_settlement(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    admin_region_id = get_admin_region_filter(db, current_user)
    body = dict(request or {})
    voucher_urls = body.get("voucherUrls") or []
    order_ids = _resolve_supplier_order_ids(db, body, admin_region_id)
    if not order_ids:
        return error_response(400, "未选择可结算订单")

    rows = db.query(BizOrder, BizPriceList.supplier_id).join(
        BizPriceList, BizPriceList.id == BizOrder.price_list_id
    ).filter(
        BizOrder.id.in_(order_ids),
        BizOrder.is_del == 0,
        BizOrder.order_status == "completed",
        BizOrder.supplier_settlement_status == "pending",
    ).all()
    if not rows:
        return error_response(400, "无可结算订单")

    eff_region = _effective_settlement_region_id(
        admin_region_id, (body.get("filters") or {}).get("regionId")
    )
    if eff_region and any((order.region_id or "") != eff_region for order, _ in rows):
        return error_response(400, "存在不属于当前区域的订单")

    supplier_id = rows[0][1]
    if any(s_id != supplier_id for _, s_id in rows):
        return error_response(400, "商家结算必须选择同一供应商")

    orders = [r[0] for r in rows]

    supplier_totals = _batch_supplier_totals_for_orders(db, [o.id for o in orders])
    total_amount = sum(supplier_totals.get(o.id, 0) for o in orders)
    supplier = user_crud.get(db, supplier_id) if supplier_id else None
    now = datetime.now()
    creator = {"user_id": current_user.get("user_id"), "real_name": current_user.get("real_name")}
    settlement = OrdSupplierSettlement(
        id=generate_id(),
        settlement_no=_build_settlement_no("SST"),
        supplier_id=supplier_id,
        supplier_name=(supplier.real_name if supplier else None),
        order_count=len(orders),
        total_amount=total_amount,
        voucher_urls=json.dumps(voucher_urls, ensure_ascii=False),
        remark=body.get("remark"),
        settlement_at=now,
        status="done",
        create_by=creator["user_id"],
        create_name=creator["real_name"],
        update_by=creator["user_id"],
    )
    db.add(settlement)
    db.flush()

    for order in orders:
        db.add(OrdSupplierSettlementItem(
            id=generate_id(),
            settlement_id=settlement.id,
            order_id=order.id,
            order_no=order.order_no,
            supplier_id=supplier_id,
            order_amount=supplier_totals.get(order.id, 0),
            create_by=creator["user_id"],
            create_name=creator["real_name"],
            update_by=creator["user_id"],
        ))
        order.supplier_settlement_status = "settled"
        order.supplier_settlement_at = now
        order.update_by = creator["user_id"]
        order.update_at = now

    db.commit()
    return success_response({
        "id": settlement.id,
        "settlementNo": settlement.settlement_no,
        "orderCount": settlement.order_count,
        "totalAmount": float(settlement.total_amount or 0),
    })


def _sheet_voucher_urls_list(raw) -> list:
    if not raw:
        return []
    if isinstance(raw, list):
        return [str(x) for x in raw if x]
    s = str(raw).strip()
    if not s:
        return []
    try:
        data = json.loads(s)
        if isinstance(data, list):
            return [str(x) for x in data if x]
    except Exception:
        pass
    return [s]


def _build_settlement_detail_item_tree(db: Session, settlement_items: List[Any]) -> List[dict]:
    """结算单明细：每个订单一行父节点，子行为订单商品行（与前端树表对应）。"""
    from app.crud.order import order_crud

    if not settlement_items:
        return []
    order_ids = list({it.order_id for it in settlement_items if getattr(it, "order_id", None)})
    if not order_ids:
        return []

    orders = (
        db.query(BizOrder)
        .filter(BizOrder.id.in_(order_ids), BizOrder.is_del == 0)
        .all()
    )
    order_map = {o.id: o for o in orders}
    client_ids = list({o.client_id for o in orders if o.client_id})
    client_map: dict = {}
    if client_ids:
        clients = db.query(SysUser).filter(SysUser.id.in_(client_ids), SysUser.is_del == 0).all()
        client_map = {u.id: (u.real_name or u.username) for u in clients}

    region_ids = list({o.region_id for o in orders if o.region_id})
    region_map: dict = {}
    for rid in region_ids:
        r = region_crud.get(db, rid)
        region_map[rid] = r.name if r else None

    lines = (
        db.query(BizOrderItem)
        .filter(BizOrderItem.order_id.in_(order_ids), BizOrderItem.is_del == 0)
        .order_by(BizOrderItem.order_id.asc(), BizOrderItem.create_at.asc())
        .all()
    )
    by_order: dict = {}
    for ln in lines:
        by_order.setdefault(ln.order_id, []).append(ln)

    product_ids = list({ln.product_id for ln in lines})
    unit_ids = list({ln.unit_id for ln in lines})
    products = (
        db.query(BasProduct)
        .filter(BasProduct.id.in_(product_ids), BasProduct.is_del == 0)
        .all()
    ) if product_ids else []
    product_map = {p.id: p for p in products}

    category_ids = list({p.category_id for p in products if p.category_id})
    category_map: dict = {}
    for cid in category_ids:
        c = category_crud.get(db, cid)
        category_map[cid] = c.name if c else None

    units = (
        db.query(BasProductUnit)
        .filter(BasProductUnit.id.in_(unit_ids), BasProductUnit.is_del == 0)
        .all()
    ) if unit_ids else []
    unit_map = {u.id: u for u in units}

    pl_ids = list({o.price_list_id for o in order_map.values() if o and o.price_list_id})
    pli_map = _price_list_item_map(db, pl_ids)

    out: List[dict] = []
    for it in settlement_items:
        order = order_map.get(it.order_id)
        rid = order.region_id if order else None
        children: List[dict] = []
        for ln in by_order.get(it.order_id, []):
            p = product_map.get(ln.product_id)
            u = unit_map.get(ln.unit_id)
            img = None
            if p and getattr(p, "image_url", None):
                img = str(p.image_url).strip() or None
            mv = None
            if p is not None and p.measure_value is not None:
                try:
                    mv = float(p.measure_value)
                except (TypeError, ValueError):
                    mv = None
            pli = pli_map.get((order.price_list_id, ln.product_id, ln.unit_id)) if order else None
            sup_u = _supplier_unit_yuan_from_pli(pli)
            if sup_u is None:
                sup_u = float(ln.unit_price or 0)
            sell_u = float(ln.unit_price or 0)
            qty = float(ln.quantity or 0)
            sell_amt = float(ln.amount or 0) if ln.amount is not None else round(qty * sell_u, 2)
            sup_amt = round(qty * sup_u, 2)
            children.append({
                "rowType": "line",
                "id": f"line-{ln.id}",
                "lineId": ln.id,
                "productId": ln.product_id,
                "productName": p.name if p else None,
                "skuCode": p.sku_code if p else None,
                "imageUrl": img,
                "categoryName": category_map.get(p.category_id) if p and p.category_id else None,
                "unitName": u.name if u else None,
                "measureValue": mv,
                "quantity": qty,
                "unitPrice": sell_u,
                "amount": sell_amt,
                "sellingUnitPrice": sell_u,
                "sellingAmount": sell_amt,
                "supplierUnitPrice": sup_u,
                "supplierAmount": sup_amt,
                "deliveredQuantity": float(ln.delivered_quantity or 0),
                "note": ln.note,
            })

        out.append({
            "rowType": "order",
            "id": f"order-{it.id}",
            "settlementItemId": it.id,
            "orderId": it.order_id,
            "orderNo": it.order_no,
            "orderAmount": float(it.order_amount or 0),
            "totalAmount": float(it.order_amount or 0),
            "clientId": order.client_id if order else None,
            "clientName": client_map.get(order.client_id) if order else None,
            "regionId": rid,
            "regionName": region_map.get(rid),
            "orderCreateAt": str(order.create_at) if order and order.create_at else None,
            "contactPerson": order.contact_person if order else None,
            "contactPhone": order.contact_phone if order else None,
            "deliveryAddress": order.delivery_address if order else None,
            "orderStatus": order.order_status if order else None,
            "paymentMethod": order_crud.normalize_payment_method(order.payment_method) if order else None,
            "createAt": str(it.create_at) if it.create_at else None,
            "children": children,
        })
    return out


@router.get("/client-settlements/sheets", response_model=dict)
def list_client_settlement_sheets(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100),
    clientId: Optional[str] = Query(None),
    settlementNo: Optional[str] = Query(None),
    startDate: Optional[str] = Query(None),
    endDate: Optional[str] = Query(None),
    regionId: Optional[str] = Query(None, description="区域（Tab）；超级管理员可选"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """客户结算单（批次）列表"""
    from app.crud.ord_settlement import ord_client_settlement_crud

    admin_region_id = get_admin_region_filter(db, current_user)
    eff_region_id = _effective_settlement_region_id(admin_region_id, regionId)
    dt_start, dt_end = _parse_datetime_range(startDate, endDate)
    rows, total = ord_client_settlement_crud.get_multi_with_filters(
        db,
        client_id=clientId,
        settlement_no=settlementNo,
        start_date=dt_start,
        end_date=dt_end,
        region_id=eff_region_id,
        skip=(page - 1) * pageSize,
        limit=pageSize,
    )
    out = []
    for s in rows:
        out.append({
            "id": s.id,
            "settlementNo": s.settlement_no,
            "clientId": s.client_id,
            "clientName": s.client_name,
            "orderCount": s.order_count,
            "totalAmount": float(s.total_amount or 0),
            "settlementAt": str(s.settlement_at) if s.settlement_at else None,
            "status": s.status,
            "remark": s.remark,
            "createAt": str(s.create_at) if s.create_at else None,
            "createName": s.create_name,
        })
    return success_response({
        "list": out,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize,
    })


@router.get("/client-settlements/sheets/{sheet_id}", response_model=dict)
def get_client_settlement_sheet_detail(
    sheet_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """客户结算单详情（含明细订单）"""
    from app.crud.ord_settlement import ord_client_settlement_crud

    admin_region_id = get_admin_region_filter(db, current_user)
    main, items = ord_client_settlement_crud.get_with_items(db, sheet_id)
    if not main:
        return error_response(404, "结算单不存在")
    if admin_region_id and not ord_client_settlement_crud.belongs_to_region(db, sheet_id, admin_region_id):
        return error_response(403, "无权限查看该结算单")

    item_out = _build_settlement_detail_item_tree(db, items)
    return success_response({
        "id": main.id,
        "settlementNo": main.settlement_no,
        "clientId": main.client_id,
        "clientName": main.client_name,
        "orderCount": main.order_count,
        "totalAmount": float(main.total_amount or 0),
        "voucherUrls": _sheet_voucher_urls_list(main.voucher_urls),
        "remark": main.remark,
        "settlementAt": str(main.settlement_at) if main.settlement_at else None,
        "status": main.status,
        "createAt": str(main.create_at) if main.create_at else None,
        "createName": main.create_name,
        "items": item_out,
    })


@router.put("/client-settlements/sheets/{sheet_id}", response_model=dict)
def update_client_settlement_sheet(
    sheet_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """更新客户结算单（备注/凭证）；UPDATE 前写入 ord_client_settlement_his"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    from app.crud.ord_settlement import ord_client_settlement_crud

    admin_region_id = get_admin_region_filter(db, current_user)
    if admin_region_id and not ord_client_settlement_crud.belongs_to_region(db, sheet_id, admin_region_id):
        return error_response(403, "无权限操作该结算单")

    body = dict(request or {})
    update_data = {}
    if "remark" in body:
        update_data["remark"] = body.get("remark")
    if "voucherUrls" in body:
        urls = body.get("voucherUrls") or []
        if not isinstance(urls, list):
            return error_response(400, "voucherUrls 须为数组")
        update_data["voucher_urls"] = json.dumps(urls, ensure_ascii=False)
    if not update_data:
        return error_response(400, "无可更新字段")

    updater = {"user_id": current_user.get("user_id")}
    row = ord_client_settlement_crud.update_with_history(db, sheet_id, update_data, updater)
    if not row:
        return error_response(404, "结算单不存在")
    return success_response({
        "id": row.id,
        "settlementNo": row.settlement_no,
        "remark": row.remark,
        "voucherUrls": _sheet_voucher_urls_list(row.voucher_urls),
    })


@router.get("/supplier-settlements/sheets", response_model=dict)
def list_supplier_settlement_sheets(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100),
    supplierId: Optional[str] = Query(None),
    settlementNo: Optional[str] = Query(None),
    startDate: Optional[str] = Query(None),
    endDate: Optional[str] = Query(None),
    regionId: Optional[str] = Query(None, description="区域（Tab）；超级管理员可选"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """供应商结算单（批次）列表"""
    from app.crud.ord_settlement import ord_supplier_settlement_crud

    admin_region_id = get_admin_region_filter(db, current_user)
    eff_region_id = _effective_settlement_region_id(admin_region_id, regionId)
    dt_start, dt_end = _parse_datetime_range(startDate, endDate)
    rows, total = ord_supplier_settlement_crud.get_multi_with_filters(
        db,
        supplier_id=supplierId,
        settlement_no=settlementNo,
        start_date=dt_start,
        end_date=dt_end,
        region_id=eff_region_id,
        skip=(page - 1) * pageSize,
        limit=pageSize,
    )
    out = []
    for s in rows:
        out.append({
            "id": s.id,
            "settlementNo": s.settlement_no,
            "supplierId": s.supplier_id,
            "supplierName": s.supplier_name,
            "orderCount": s.order_count,
            "totalAmount": float(s.total_amount or 0),
            "settlementAt": str(s.settlement_at) if s.settlement_at else None,
            "status": s.status,
            "remark": s.remark,
            "createAt": str(s.create_at) if s.create_at else None,
            "createName": s.create_name,
        })
    return success_response({
        "list": out,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize,
    })


@router.get("/supplier-settlements/sheets/{sheet_id}", response_model=dict)
def get_supplier_settlement_sheet_detail(
    sheet_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """供应商结算单详情（含明细订单）"""
    from app.crud.ord_settlement import ord_supplier_settlement_crud

    admin_region_id = get_admin_region_filter(db, current_user)
    main, items = ord_supplier_settlement_crud.get_with_items(db, sheet_id)
    if not main:
        return error_response(404, "结算单不存在")
    if admin_region_id and not ord_supplier_settlement_crud.belongs_to_region(db, sheet_id, admin_region_id):
        return error_response(403, "无权限查看该结算单")

    item_out = _build_settlement_detail_item_tree(db, items)
    return success_response({
        "id": main.id,
        "settlementNo": main.settlement_no,
        "supplierId": main.supplier_id,
        "supplierName": main.supplier_name,
        "orderCount": main.order_count,
        "totalAmount": float(main.total_amount or 0),
        "voucherUrls": _sheet_voucher_urls_list(main.voucher_urls),
        "remark": main.remark,
        "settlementAt": str(main.settlement_at) if main.settlement_at else None,
        "status": main.status,
        "createAt": str(main.create_at) if main.create_at else None,
        "createName": main.create_name,
        "items": item_out,
    })


@router.put("/supplier-settlements/sheets/{sheet_id}", response_model=dict)
def update_supplier_settlement_sheet(
    sheet_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin),
):
    """更新供应商结算单（备注/凭证）；UPDATE 前写入 ord_supplier_settlement_his"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    from app.crud.ord_settlement import ord_supplier_settlement_crud

    admin_region_id = get_admin_region_filter(db, current_user)
    if admin_region_id and not ord_supplier_settlement_crud.belongs_to_region(db, sheet_id, admin_region_id):
        return error_response(403, "无权限操作该结算单")

    body = dict(request or {})
    update_data = {}
    if "remark" in body:
        update_data["remark"] = body.get("remark")
    if "voucherUrls" in body:
        urls = body.get("voucherUrls") or []
        if not isinstance(urls, list):
            return error_response(400, "voucherUrls 须为数组")
        update_data["voucher_urls"] = json.dumps(urls, ensure_ascii=False)
    if not update_data:
        return error_response(400, "无可更新字段")

    updater = {"user_id": current_user.get("user_id")}
    row = ord_supplier_settlement_crud.update_with_history(db, sheet_id, update_data, updater)
    if not row:
        return error_response(404, "结算单不存在")
    return success_response({
        "id": row.id,
        "settlementNo": row.settlement_no,
        "remark": row.remark,
        "voucherUrls": _sheet_voucher_urls_list(row.voucher_urls),
    })


@router.get("/settlements", response_model=dict)
def list_settlements(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    clientId: Optional[str] = Query(None, description="客户ID"),
    status: Optional[str] = Query(None, description="状态"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取线下结算订单列表"""
    from app.crud.settlement import settlement_crud

    settlements, total = settlement_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        client_id=clientId,
        status=status,
        start_date=startDate,
        end_date=endDate,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    region_map = {}
    client_map = {}

    result = []
    for settlement in settlements:
        if settlement.region_id and settlement.region_id not in region_map:
            region = region_crud.get(db, settlement.region_id)
            region_map[settlement.region_id] = region.name if region else None

        if settlement.client_id and settlement.client_id not in client_map:
            client = user_crud.get(db, settlement.client_id)
            client_map[settlement.client_id] = client.real_name if client else None

        result.append({
            "id": settlement.id,
            "orderId": settlement.order_id,
            "clientId": settlement.client_id,
            "clientName": client_map.get(settlement.client_id),
            "regionId": settlement.region_id,
            "regionName": region_map.get(settlement.region_id),
            "amount": float(settlement.amount) if settlement.amount else 0,
            "settlementMethod": settlement.settlement_method,
            "settlementTime": str(settlement.settlement_time) if settlement.settlement_time else None,
            "settlementNote": settlement.settlement_note,
            "status": settlement.status,
            "reviewedBy": settlement.reviewed_by,
            "reviewedTime": str(settlement.reviewed_time) if settlement.reviewed_time else None,
            "createAt": str(settlement.create_at) if settlement.create_at else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/settlements/client-summary", response_model=dict)
def get_client_summary(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    clientId: Optional[str] = Query(None, description="客户ID"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取客户待结算汇总"""
    from app.crud.settlement import settlement_crud

    summaries, total = settlement_crud.get_client_summary(
        db,
        region_id=regionId,
        client_id=clientId,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    result = []
    for summary in summaries:
        client = user_crud.get(db, summary["client_id"])
        result.append({
            "clientId": summary["client_id"],
            "clientName": client.real_name if client else None,
            "orderCount": summary["order_count"],
            "totalUnpaid": float(summary["total_unpaid"]) if summary["total_unpaid"] else 0
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.post("/settlements", response_model=dict)
def create_settlement(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """确认线下结算"""
    from app.crud.settlement import settlement_crud
    from datetime import datetime
    from decimal import Decimal

    order_id = request.get("orderId")
    settlement_method = request.get("settlementMethod")
    settlement_time_str = request.get("settlementTime")
    note = request.get("settlementNote")
    attachment_url = request.get("attachmentUrl")

    if not order_id:
        return error_response(400, "请选择订单")
    if not settlement_method:
        return error_response(400, "请选择结算方式")

    # 获取订单信息
    from app.models.models import BizOrder
    order = db.query(BizOrder).filter(BizOrder.id == order_id).first()
    if not order:
        return error_response(404, "订单不存在")

    # 计算未付金额
    unpaid_amount = (order.receivable_amount or Decimal("0")) - (order.paid_amount or Decimal("0"))
    if unpaid_amount <= 0:
        return error_response(400, "该订单已无欠款，无需结算")

    # 解析结算时间
    settlement_time = None
    if settlement_time_str:
        try:
            settlement_time = datetime.fromisoformat(settlement_time_str.replace("Z", "+00:00"))
        except:
            settlement_time = datetime.now()

    creator = {
        "user_id": current_user.get("user_id"),
        "real_name": current_user.get("real_name")
    }

    settlement = settlement_crud.create_settlement(
        db,
        order_id=order_id,
        client_id=order.client_id,
        region_id=order.region_id,
        amount=unpaid_amount,
        settlement_method=settlement_method,
        settlement_time=settlement_time,
        attachment_url=attachment_url,
        note=note,
        creator=creator
    )

    return success_response({
        "id": settlement.id,
        "message": "结算成功"
    })


@router.post("/settlements/batch", response_model=dict)
def batch_create_settlements(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """批量确认线下结算"""
    from app.crud.settlement import settlement_crud
    from datetime import datetime

    order_ids = request.get("orderIds", [])
    settlement_method = request.get("settlementMethod")
    settlement_time_str = request.get("settlementTime")
    note = request.get("settlementNote")
    attachment_url = request.get("attachmentUrl")

    if not order_ids:
        return error_response(400, "请选择要结算的订单")
    if not settlement_method:
        return error_response(400, "请选择结算方式")
    if len(order_ids) > 50:
        return error_response(400, "单次最多结算50个订单")

    # 解析结算时间
    settlement_time = None
    if settlement_time_str:
        try:
            settlement_time = datetime.fromisoformat(settlement_time_str.replace("Z", "+00:00"))
        except:
            settlement_time = datetime.now()

    creator = {
        "user_id": current_user.get("user_id"),
        "real_name": current_user.get("real_name")
    }

    settlements = settlement_crud.batch_create_settlements(
        db,
        order_ids=order_ids,
        settlement_method=settlement_method,
        settlement_time=settlement_time,
        attachment_url=attachment_url,
        note=note,
        creator=creator
    )

    return success_response({
        "count": len(settlements),
        "message": f"成功结算{len(settlements)}个订单"
    })


@router.get("/settlements/records", response_model=dict)
def list_settlement_records(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    clientId: Optional[str] = Query(None, description="客户ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取结算记录列表"""
    from app.crud.settlement import settlement_crud

    settlements, total = settlement_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        client_id=clientId,
        status="confirmed",
        start_date=startDate,
        end_date=endDate,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    region_map = {}
    client_map = {}
    reviewer_map = {}

    result = []
    for settlement in settlements:
        if settlement.region_id and settlement.region_id not in region_map:
            region = region_crud.get(db, settlement.region_id)
            region_map[settlement.region_id] = region.name if region else None

        if settlement.client_id and settlement.client_id not in client_map:
            client = user_crud.get(db, settlement.client_id)
            client_map[settlement.client_id] = client.real_name if client else None

        if settlement.reviewed_by and settlement.reviewed_by not in reviewer_map:
            reviewer = user_crud.get(db, settlement.reviewed_by)
            reviewer_map[settlement.reviewed_by] = reviewer.real_name if reviewer else None

        result.append({
            "id": settlement.id,
            "orderId": settlement.order_id,
            "clientId": settlement.client_id,
            "clientName": client_map.get(settlement.client_id),
            "regionId": settlement.region_id,
            "regionName": region_map.get(settlement.region_id),
            "amount": float(settlement.amount) if settlement.amount else 0,
            "settlementMethod": settlement.settlement_method,
            "settlementTime": str(settlement.settlement_time) if settlement.settlement_time else None,
            "settlementNote": settlement.settlement_note,
            "settlementFileUrl": settlement.settlement_file_url,
            "reviewedBy": settlement.reviewed_by,
            "reviewedByName": reviewer_map.get(settlement.reviewed_by),
            "reviewedTime": str(settlement.reviewed_time) if settlement.reviewed_time else None,
            "createAt": str(settlement.create_at) if settlement.create_at else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/settlements/statistics", response_model=dict)
def get_settlement_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取结算统计数据"""
    from app.crud.settlement import settlement_crud

    # 区域管理员只能查看自己区域的统计数据
    admin_region_id = get_admin_region_filter(db, current_user)
    if admin_region_id and not regionId:
        regionId = admin_region_id
    elif admin_region_id and regionId != admin_region_id:
        return success_response({
            "pendingOrderCount": 0,
            "pendingAmount": 0,
            "settledCount": 0,
            "settledAmount": 0,
            "refundPendingCount": 0
        })

    stats = settlement_crud.get_statistics(
        db,
        region_id=regionId,
        start_date=startDate,
        end_date=endDate
    )

    return success_response(stats)


# =========================================
# 退款管理 API (Web端)
# =========================================

@router.get("/refunds", response_model=dict)
def list_refunds(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    status: Optional[str] = Query(None, description="状态"),
    orderNo: Optional[str] = Query(None, description="订单号"),
    refundMethod: Optional[str] = Query(None, description="退款方式"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取退款记录列表"""
    from app.crud.settlement import refund_crud
    from app.models.models import BizOrder

    refunds, total = refund_crud.get_multi_with_filters(
        db,
        region_id=regionId,
        order_no=orderNo,
        status=status,
        refund_method=refundMethod,
        start_date=startDate,
        end_date=endDate,
        skip=(page - 1) * pageSize,
        limit=pageSize
    )

    order_map = {}

    result = []
    for refund in refunds:
        if refund.order_id and refund.order_id not in order_map:
            order = db.query(BizOrder).filter(BizOrder.id == refund.order_id).first()
            if order:
                client = user_crud.get(db, order.client_id)
                order_map[refund.order_id] = {
                    "orderNo": order.order_no,
                    "clientId": order.client_id,
                    "clientName": client.real_name if client else None,
                    "regionId": order.region_id,
                    "totalAmount": float(order.total_amount) if order.total_amount else 0,
                    "paidAmount": float(order.paid_amount) if order.paid_amount else 0
                }

        order_info = order_map.get(refund.order_id, {})

        result.append({
            "id": refund.id,
            "orderId": refund.order_id,
            "orderNo": order_info.get("orderNo"),
            "clientId": order_info.get("clientId"),
            "clientName": order_info.get("clientName"),
            "regionId": order_info.get("regionId"),
            "totalAmount": order_info.get("totalAmount"),
            "paidAmount": order_info.get("paidAmount"),
            "refundNo": refund.refund_no,
            "refundAmount": float(refund.refund_amount) if refund.refund_amount else 0,
            "refundMethod": refund.refund_method,
            "refundResult": refund.refund_result,
            "refundTime": str(refund.refund_time) if refund.refund_time else None,
            "refundNoWechat": refund.refund_no_wechat,
            "refundFailReason": refund.refund_fail_reason,
            "status": refund.status,
            "createAt": str(refund.create_at) if refund.create_at else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/refunds/{refund_id}", response_model=dict)
def get_refund(
    refund_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取退款详情"""
    from app.crud.settlement import refund_crud
    from app.models.models import BizOrder

    refund = refund_crud.get(db, refund_id)
    if not refund:
        return error_response(404, "退款记录不存在")

    order = db.query(BizOrder).filter(BizOrder.id == refund.order_id).first()
    client = user_crud.get(db, order.client_id) if order else None

    return success_response({
        "id": refund.id,
        "orderId": refund.order_id,
        "orderNo": order.order_no if order else None,
        "clientId": order.client_id if order else None,
        "clientName": client.real_name if client else None,
        "totalAmount": float(order.total_amount) if order and order.total_amount else 0,
        "paidAmount": float(order.paid_amount) if order and order.paid_amount else 0,
        "refundNo": refund.refund_no,
        "refundAmount": float(refund.refund_amount) if refund.refund_amount else 0,
        "refundMethod": refund.refund_method,
        "refundResult": refund.refund_result,
        "refundTime": str(refund.refund_time) if refund.refund_time else None,
        "refundNoWechat": refund.refund_no_wechat,
        "refundFailReason": refund.refund_fail_reason,
        "status": refund.status,
        "createAt": str(refund.create_at) if refund.create_at else None,
        "createName": refund.create_name
    })


@router.post("/refunds/wechat-refund/{order_id}", response_model=dict)
def create_wechat_refund(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """微信退款"""
    from app.crud.settlement import refund_crud
    from datetime import datetime
    from decimal import Decimal

    refund_amount = request.get("refundAmount")
    reason = request.get("reason")

    if not refund_amount or refund_amount <= 0:
        return error_response(400, "退款金额必须大于0")

    # 获取订单信息
    from app.models.models import BizOrder
    order = db.query(BizOrder).filter(BizOrder.id == order_id).first()
    if not order:
        return error_response(404, "订单不存在")

    # 检查已支付金额
    paid_amount = float(order.paid_amount) if order.paid_amount else 0
    if refund_amount > paid_amount:
        return error_response(400, "退款金额不能超过已支付金额")

    # 检查是否有处理中的退款
    existing_refunds = refund_crud.get_by_order(db, order_id)
    processing_refund = any(r.status in ["pending", "processing"] for r in existing_refunds)
    if processing_refund:
        return error_response(400, "该订单有退款正在处理中，请勿重复提交")

    creator = {
        "user_id": current_user.get("user_id"),
        "real_name": current_user.get("real_name")
    }

    refund = refund_crud.create_refund(
        db,
        order_id=order_id,
        refund_amount=Decimal(str(refund_amount)),
        refund_method="wechat",
        reason=reason,
        creator=creator
    )

    # 模拟微信退款处理（实际项目中需要调用微信支付API）
    refund_crud.process_refund(
        db,
        refund_id=refund.id,
        refund_result="success",
        refund_no_wechat=f"WXREF{datetime.now().strftime('%Y%m%d%H%M%S')}"
    )

    return success_response({
        "refundId": refund.id,
        "refundNo": refund.refund_no,
        "refundAmount": float(refund.refund_amount),
        "refundResult": "success",
        "refundTime": str(refund.refund_time)
    })


@router.get("/refunds/{refund_id}/status", response_model=dict)
def get_refund_status(
    refund_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """查询退款状态"""
    from app.crud.settlement import refund_crud

    refund = refund_crud.get(db, refund_id)
    if not refund:
        return error_response(404, "退款记录不存在")

    return success_response({
        "refundId": refund.id,
        "refundNo": refund.refund_no,
        "refundAmount": float(refund.refund_amount) if refund.refund_amount else 0,
        "refundResult": refund.refund_result,
        "refundTime": str(refund.refund_time) if refund.refund_time else None,
        "refundNoWechat": refund.refund_no_wechat
    })


@router.post("/refunds/{refund_id}/process", response_model=dict)
def process_refund(
    refund_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """处理退款（成功/失败）"""
    from app.crud.settlement import refund_crud

    refund_result = request.get("refundResult")
    refund_no_wechat = request.get("refundNoWechat")

    if not refund_result or refund_result not in ["success", "failed"]:
        return error_response(400, "请提供正确的退款结果")

    refund = refund_crud.process_refund(
        db,
        refund_id=refund_id,
        refund_result=refund_result,
        refund_no_wechat=refund_no_wechat
    )

    if not refund:
        return error_response(404, "退款记录不存在")

    return success_response({
        "refundId": refund.id,
        "refundResult": refund.refund_result,
        "message": "处理成功"
    })


@router.post("/refunds/{refund_id}/handle-failure", response_model=dict)
def handle_refund_failure(
    refund_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """处理退款失败"""
    from app.crud.settlement import refund_crud

    fail_reason = request.get("failReason")

    if not fail_reason:
        return error_response(400, "请提供失败原因")

    refund = refund_crud.handle_refund_failure(
        db,
        refund_id=refund_id,
        fail_reason=fail_reason
    )

    if not refund:
        return error_response(404, "退款记录不存在")

    return success_response({
        "refundId": refund.id,
        "refundResult": refund.refund_result,
        "message": "处理成功"
    })


@router.get("/refunds/statistics", response_model=dict)
def get_refund_statistics(
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取退款统计数据"""
    from app.crud.settlement import refund_crud

    stats = refund_crud.get_refund_statistics(
        db,
        start_date=startDate,
        end_date=endDate
    )

    return success_response(stats)


# =========================================
# 配送时效预警 API
# =========================================


@router.get("/delivery-warnings", response_model=dict)
def list_delivery_warnings(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    urgencyLevel: Optional[str] = Query(None, description="紧急程度: critical/urgent/normal"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取配送时效预警列表"""
    from app.crud.delivery import delivery_task_crud
    from datetime import datetime, timedelta

    # 计算时间阈值
    now = datetime.now()
    critical_time = now + timedelta(minutes=30)  # 30分钟内
    urgent_time = now + timedelta(minutes=60)  # 1小时内
    normal_time = now + timedelta(hours=2)  # 2小时内

    # 获取所有待配送任务
    query = db.query(delivery_task_crud.model).filter(
        and_(
            delivery_task_crud.model.is_del == 0,
            delivery_task_crud.model.status.in_(["pending", "assigned", "picking", "picked"]),
            delivery_task_crud.model.effective_time != None,
            delivery_task_crud.model.effective_time >= now
        )
    )

    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None:
        if regionId and regionId not in allowed_region_ids:
            return error_response(403, "无权访问该区域数据")
        if not regionId and allowed_region_ids:
            regionId = sorted(allowed_region_ids)[0]

    if regionId:
        query = query.filter(delivery_task_crud.model.region_id == regionId)

    all_tasks = query.order_by(delivery_task_crud.model.effective_time.asc()).all()

    # 计算紧急程度
    result = []
    for task in all_tasks:
        time_diff = (task.effective_time - now).total_seconds() / 60  # 分钟

        if time_diff <= 30:
            urgency = "critical"
            remaining_minutes = int(time_diff)
        elif time_diff <= 60:
            urgency = "urgent"
            remaining_minutes = int(time_diff)
        else:
            urgency = "normal"
            remaining_minutes = int(time_diff)

        # 按紧急程度过滤
        if urgencyLevel and urgency != urgencyLevel:
            continue

        # 获取关联信息
        client_name = None
        if task.order_id:
            from app.crud.order import order_crud
            order = order_crud.get(db, task.order_id)
            if order:
                client = user_crud.get(db, order.client_id)
                client_name = client.real_name if client else None

        region_name = None
        if task.region_id:
            region = region_crud.get(db, task.region_id)
            region_name = region.name if region else None

        deliver_name = None
        if task.deliver_id:
            deliver = user_crud.get(db, task.deliver_id)
            deliver_name = deliver.real_name if deliver else None

        supplier_name = None
        if task.supplier_id:
            supplier = user_crud.get(db, task.supplier_id)
            supplier_name = supplier.real_name if supplier else None

        result.append({
            "id": task.id,
            "taskNo": task.task_no,
            "orderId": task.order_id,
            "regionId": task.region_id,
            "regionName": region_name,
            "clientName": client_name,
            "supplierId": task.supplier_id,
            "supplierName": supplier_name,
            "deliverId": task.deliver_id,
            "deliverName": deliver_name,
            "status": task.status,
            "effectiveTime": str(task.effective_time) if task.effective_time else None,
            "remainingMinutes": remaining_minutes,
            "urgencyLevel": urgency,
            "isAssigned": task.deliver_id is not None,
            "createAt": str(task.create_at) if task.create_at else None
        })

    # 手动分页
    total = len(result)
    start_idx = (page - 1) * pageSize
    end_idx = start_idx + pageSize
    paginated_result = result[start_idx:end_idx]

    return success_response({
        "list": paginated_result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/delivery-warnings/statistics", response_model=dict)
def get_delivery_warning_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取配送时效预警统计"""
    from app.crud.delivery import delivery_task_crud
    from datetime import datetime, timedelta

    now = datetime.now()

    # 基础查询
    base_query = db.query(delivery_task_crud.model).filter(
        and_(
            delivery_task_crud.model.is_del == 0,
            delivery_task_crud.model.status.in_(["pending", "assigned", "picking", "picked"]),
            delivery_task_crud.model.effective_time != None,
            delivery_task_crud.model.effective_time >= now
        )
    )

    allowed_region_ids = get_admin_allowed_region_ids(db, current_user)
    if allowed_region_ids is not None:
        if regionId and regionId not in allowed_region_ids:
            return error_response(403, "无权访问该区域数据")
        if not regionId and allowed_region_ids:
            regionId = sorted(allowed_region_ids)[0]

    if regionId:
        base_query = base_query.filter(delivery_task_crud.model.region_id == regionId)

    all_tasks = base_query.all()

    critical_count = 0
    urgent_count = 0
    normal_count = 0
    unassigned_count = 0
    total_pending = len(all_tasks)

    for task in all_tasks:
        time_diff = (task.effective_time - now).total_seconds() / 60

        if time_diff <= 30:
            critical_count += 1
        elif time_diff <= 60:
            urgent_count += 1
        else:
            normal_count += 1

        if not task.deliver_id:
            unassigned_count += 1

    return success_response({
        "totalPending": total_pending,
        "criticalCount": critical_count,
        "urgentCount": urgent_count,
        "normalCount": normal_count,
        "unassignedCount": unassigned_count
    })


@router.post("/delivery-warnings/{task_id}/reassign", response_model=dict)
def reassign_delivery_task(
    task_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """紧急重新分配配送任务"""
    request, req_err = _resolve_admin_payload_with_crypto_fallback(request, current_user)
    if req_err is not None:
        return req_err
    from app.crud.delivery import delivery_task_crud

    new_deliver_id = request.get("deliverId")
    reason = request.get("reason")

    if not new_deliver_id:
        return error_response(400, "请选择新的配送员")

    task = delivery_task_crud.get(db, task_id)
    if not task:
        return error_response(404, "任务不存在")

    if task.status in ["completed", "cancelled"]:
        return error_response(400, "已完成或已取消的任务无法重新分配")

    # 验证新配送员
    new_deliver = user_crud.get(db, new_deliver_id)
    if not new_deliver:
        return error_response(404, "配送员不存在")
    if new_deliver.role != "deliver":
        return error_response(400, "该用户不是配送员")

    old_deliver_id = task.deliver_id
    old_deliver_name = None
    if old_deliver_id:
        old_deliver = user_crud.get(db, old_deliver_id)
        old_deliver_name = old_deliver.real_name if old_deliver else None

    # 更新任务（换配送员：只重置配送员侧待取货，不重置供应商备货进度）
    task.deliver_id = new_deliver_id
    task.update_at = datetime.now()
    task.deliverer_status = "pending_pickup"
    delivery_task_crud._sync_legacy_status_from_dual(task)

    # 如果之前没有分配配送员，设置新的截止时间
    if not old_deliver_id:
        task.effective_time = datetime.now() + timedelta(hours=4)

    db.commit()
    db.refresh(task)

    return success_response({
        "id": task.id,
        "taskNo": task.task_no,
        "newDeliverId": new_deliver_id,
        "newDeliverName": new_deliver.real_name,
        "oldDeliverId": old_deliver_id,
        "oldDeliverName": old_deliver_name,
        "message": "任务重新分配成功"
    })


def get_client_ip(request: Request) -> str:
    """获取客户端IP地址"""
    forwarded = request.headers.get("X-Forwarded-For")
    if forwarded:
        return forwarded.split(",")[0].strip()
    return request.client.host if request.client else "unknown"


# =========================================
# API 请求日志（中间件落库，此处仅查询/删除）
# =========================================

@router.get("/api-request-logs", response_model=dict)
def list_api_request_logs(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    httpMethod: Optional[str] = Query(None, description="HTTP 方法"),
    statusCode: Optional[int] = Query(None, description="HTTP 状态码"),
    pathPrefix: Optional[str] = Query(None, description="路径包含"),
    keyword: Optional[str] = Query(None, description="关键词"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """API 请求日志列表"""
    from app.crud.api_request_log import api_request_log_crud

    logs, total = api_request_log_crud.get_multi_with_filters(
        db,
        http_method=httpMethod,
        status_code=statusCode,
        path_prefix=pathPrefix,
        keyword=keyword,
        start_date=startDate,
        end_date=endDate,
        skip=(page - 1) * pageSize,
        limit=pageSize,
    )

    return success_response({
        "list": [{
            "id": log.id,
            "httpMethod": log.http_method,
            "path": log.path,
            "queryString": log.query_string,
            "statusCode": log.status_code,
            "durationMs": log.duration_ms,
            "userId": log.user_id,
            "username": log.username,
            "role": log.role,
            "ipAddress": log.ip_address,
            "userAgent": log.user_agent,
            "requestBody": log.request_body,
            "responseBody": log.response_body,
            "createAt": str(log.create_at) if log.create_at else None,
        } for log in logs],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/api-request-logs/{log_id}", response_model=dict)
def get_api_request_log(
    log_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """API 请求日志详情"""
    from app.crud.api_request_log import api_request_log_crud

    log = api_request_log_crud.get(db, log_id)
    if not log:
        return error_response(404, "日志不存在")

    return success_response({
        "id": log.id,
        "httpMethod": log.http_method,
        "path": log.path,
        "queryString": log.query_string,
        "statusCode": log.status_code,
        "durationMs": log.duration_ms,
        "userId": log.user_id,
        "username": log.username,
        "role": log.role,
        "ipAddress": log.ip_address,
        "userAgent": log.user_agent,
        "requestBody": log.request_body,
        "responseBody": log.response_body,
        "createAt": str(log.create_at) if log.create_at else None,
    })


@router.delete("/api-request-logs/{log_id}", response_model=dict)
def delete_api_request_log(
    log_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """删除 API 请求日志（软删除）"""
    from app.crud.api_request_log import api_request_log_crud

    if not api_request_log_crud.delete(db, log_id):
        return error_response(404, "日志不存在")
    return success_response({"id": log_id})


# =========================================
# 数据统计 API
# =========================================

@router.get("/statistics/dashboard", response_model=dict)
def get_dashboard_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取仪表盘统计数据"""
    from app.crud.statistics import statistics_crud

    include_inactive_regions = current_user.get("role") == "super_admin"
    stats = statistics_crud.get_dashboard_summary(
        db,
        region_id=regionId,
        include_inactive_regions=include_inactive_regions,
    )
    return success_response(stats)


@router.get("/statistics/orders", response_model=dict)
def get_order_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取订单统计数据"""
    from app.crud.statistics import statistics_crud

    stats = statistics_crud.get_order_statistics(
        db,
        region_id=regionId,
        start_date=startDate,
        end_date=endDate
    )
    return success_response(stats)


@router.get("/statistics/orders/trend", response_model=dict)
def get_order_trend(
    regionId: Optional[str] = Query(None, description="区域ID"),
    days: int = Query(7, ge=1, le=30, description="统计天数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取订单趋势数据"""
    from app.crud.statistics import statistics_crud

    trend = statistics_crud.get_order_trend(
        db,
        region_id=regionId,
        days=days,
        include_inactive_regions=current_user.get("role") == "super_admin",
    )
    return success_response(trend)


@router.get("/statistics/orders/today-by-region", response_model=dict)
def get_today_orders_by_region(
    regionId: Optional[str] = Query(None, description="区域ID，传入时仅返回该区域"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """今日各区域营业额(元)与订单数（按区域列表，无单为 0）"""
    from app.crud.statistics import statistics_crud

    rows = statistics_crud.get_today_order_stats_by_region(
        db,
        region_id=regionId,
        include_inactive_regions=current_user.get("role") == "super_admin",
    )
    return success_response(rows)


@router.get("/statistics/orders/today-by-client", response_model=dict)
def get_today_orders_by_client(
    regionId: Optional[str] = Query(None, description="区域ID"),
    limit: int = Query(30, ge=1, le=100, description="最多返回客户条数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """今日下单客户：下单金额(元)、商品数量合计（按客户，金额降序）"""
    from app.crud.statistics import statistics_crud

    rows = statistics_crud.get_today_order_stats_by_client(
        db,
        region_id=regionId,
        limit=limit,
        include_inactive_regions=current_user.get("role") == "super_admin",
    )
    return success_response(rows)


@router.get("/statistics/financial", response_model=dict)
def get_financial_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取财务统计数据"""
    from app.crud.statistics import statistics_crud

    stats = statistics_crud.get_financial_statistics(
        db,
        region_id=regionId,
        start_date=startDate,
        end_date=endDate
    )
    return success_response(stats)


@router.get("/statistics/financial/trend", response_model=dict)
def get_financial_trend(
    regionId: Optional[str] = Query(None, description="区域ID"),
    days: int = Query(7, ge=1, le=30, description="统计天数"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取财务趋势数据"""
    from app.crud.statistics import statistics_crud

    trend = statistics_crud.get_financial_trend(
        db,
        region_id=regionId,
        days=days
    )
    return success_response(trend)


@router.get("/statistics/delivery", response_model=dict)
def get_delivery_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取配送统计数据"""
    from app.crud.statistics import statistics_crud

    stats = statistics_crud.get_delivery_statistics(
        db,
        region_id=regionId,
        start_date=startDate,
        end_date=endDate
    )
    return success_response(stats)


@router.get("/statistics/products", response_model=dict)
def get_product_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    limit: int = Query(10, ge=1, le=50, description="返回数量"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品销售排行"""
    from app.crud.statistics import statistics_crud

    stats = statistics_crud.get_product_statistics(
        db,
        region_id=regionId,
        start_date=startDate,
        end_date=endDate,
        limit=limit
    )
    return success_response(stats)


@router.get("/statistics/customers", response_model=dict)
def get_customer_statistics(
    regionId: Optional[str] = Query(None, description="区域ID"),
    startDate: Optional[str] = Query(None, description="开始日期"),
    endDate: Optional[str] = Query(None, description="结束日期"),
    limit: int = Query(10, ge=1, le=50, description="返回数量"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取客户订单排行"""
    from app.crud.statistics import statistics_crud

    stats = statistics_crud.get_customer_statistics(
        db,
        region_id=regionId,
        start_date=startDate,
        end_date=endDate,
        limit=limit
    )
    return success_response(stats)


# =========================================
# 缺失的订单相关 API
# =========================================


@router.post("/orders/{order_id}/complete", response_model=dict)
def force_complete_order(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """完结订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    # 新状态模型：待收货阶段可由运营强制完结
    if getattr(order, "order_status", None) != "pending_confirm":
        return error_response(400, "只有待收货订单才能完结")

    try:
        completed_order = order_crud.force_complete(db, order_id, current_user.get("user_id"))
        return success_response({
            "id": completed_order.id,
            "status": completed_order.status,
            "message": "订单已完结"
        })
    except Exception as e:
        return error_response(400, str(e))


@router.post("/orders/{order_id}/cancel", response_model=dict)
def cancel_order_admin(
    order_id: str,
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """运营端取消订单"""
    from app.crud.order import order_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    # 新状态模型：仅未完成且未取消订单允许运营取消
    if getattr(order, "order_status", None) in ["completed", "cancelled"]:
        return error_response(400, "已完成或已取消订单不能再次取消")

    reason = request.get("reason", "")
    note = request.get("note", "")
    evidence_image_urls = request.get("evidenceImageUrls", []) or []
    if not reason:
        return error_response(400, "请填写取消原因")
    if not isinstance(evidence_image_urls, list):
        return error_response(400, "evidenceImageUrls 格式不正确")

    try:
        cancelled_order = order_crud.admin_cancel(
            db,
            order_id=order_id,
            operator_id=current_user.get("user_id"),
            operator_name=current_user.get("real_name"),
            reason=reason,
            note=note,
            evidence_image_urls=evidence_image_urls,
        )
        if evidence_image_urls:
            from app.models.models import BizAttachment
            from app.core.utils import generate_id
            for url in evidence_image_urls:
                if not isinstance(url, str) or not url.strip():
                    continue
                db.add(BizAttachment(
                    id=generate_id(),
                    business_type="order",
                    business_id=order_id,
                    file_name=url.split("/")[-1][:200],
                    file_url=url,
                    file_type="image/*",
                    upload_by=current_user.get("user_id"),
                    upload_by_name=current_user.get("real_name"),
                    create_by=current_user.get("user_id"),
                    create_name=current_user.get("real_name"),
                ))
            db.commit()
        return success_response({
            "id": cancelled_order.id,
            "status": cancelled_order.status,
            "message": "订单已取消"
        })
    except Exception as e:
        return error_response(400, str(e))


@router.get("/orders/adjustable", response_model=dict)
def list_adjustable_orders(
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取可调整的订单列表"""
    from app.crud.order import order_crud, order_item_crud

    # 可调整的订单状态：待支付、待收货（线下单）
    adjustable_statuses = ["pending_payment", "pending_confirm"]

    orders, total = order_crud.get_multi_with_filters(
        db,
        status=None,  # 不按状态过滤，我们手动过滤
        order_no=keyword,
        skip=0,
        limit=100  # 默认获取100条
    )

    # 过滤出可调整的订单
    adjustable_orders = []
    for order in orders:
        if getattr(order, "order_status", None) in adjustable_statuses and order_crud.normalize_payment_method(order.payment_method) == "offline":
            item_count = order_item_crud.get_count_by_order(db, order.id)
            adjustable_orders.append({
                "id": order.id,
                "orderNo": order.order_no,
                "status": order.status,
                "orderStatus": getattr(order, "order_status", None) or "pending_confirm",
                "deliveryStatus": getattr(order, "delivery_status", None) or "pending_dispatch",
                "payStatus": getattr(order, "pay_status", None) or "pending_payment",
                "statusText": ORDER_STATUS_MAP.get(order.status, order.status),
                "totalAmount": float(order.total_amount) if order.total_amount else 0,
                "itemCount": item_count,
                "createAt": str(order.create_at) if order.create_at else None
            })

    return success_response({
        "list": adjustable_orders,
        "total": len(adjustable_orders)
    })


@router.get("/orders/{order_id}/items", response_model=dict)
def get_order_items(
    order_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取订单商品列表"""
    from app.crud.order import order_crud, order_item_crud

    order = order_crud.get(db, order_id)
    if not order:
        return error_response(404, "订单不存在")

    items = order_item_crud.get_by_order(db, order_id)
    from app.crud.price_list import price_list_crud
    price_list = price_list_crud.get(db, order.price_list_id) if order.price_list_id else None
    supplier_id_from_price_list = getattr(price_list, "supplier_id", None) if price_list else None
    supplier_name_from_price_list = None
    if supplier_id_from_price_list:
        _sup_u = user_crud.get(db, supplier_id_from_price_list)
        if _sup_u:
            supplier_name_from_price_list = _sup_u.real_name or _sup_u.username
    pl_ids_for_order = [order.price_list_id] if order.price_list_id else []
    pli_map_for_order = _price_list_item_map(db, pl_ids_for_order)

    from app.crud.delivery import delivery_task_item_crud as _merge_task_delivered_items
    _line_delivered_from_task = _merge_task_delivered_items.get_delivered_quantity_by_order_item(db, order_id)

    result = []
    for item in items:
        product = product_crud.get(db, item.product_id)
        unit_name = None
        if item.unit_id:
            u = unit_crud.get(db, item.unit_id)
            unit_name = u.name if u else None
        category_name = None
        if product and product.category_id:
            cat = category_crud.get(db, product.category_id)
            category_name = cat.name if cat else None

        _oi_dq = float(item.delivered_quantity) if item.delivered_quantity else 0.0
        _ti_dq = float(_line_delivered_from_task.get(item.id, 0.0))
        _merged_dq = max(_oi_dq, _ti_dq)
        qty = float(item.quantity) if item.quantity else 0
        selling_u = float(item.unit_price) if item.unit_price else 0
        selling_amt = float(item.amount) if item.amount else round(qty * selling_u, 2)
        pli = pli_map_for_order.get((order.price_list_id, item.product_id, item.unit_id))
        supplier_u = _supplier_unit_yuan_from_pli(pli)
        if supplier_u is None:
            supplier_u = selling_u
        supplier_amt = round(qty * supplier_u, 2)
        result.append({
            "id": item.id,
            "productId": item.product_id,
            "productName": product.name if product else None,
            "imageUrl": getattr(product, "image_url", None) if product else None,
            "categoryName": category_name,
            "unitId": item.unit_id,
            "unitName": unit_name,
            "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
            "supplierId": supplier_id_from_price_list,
            "supplierName": supplier_name_from_price_list,
            "quantity": qty,
            "unitPrice": selling_u,
            "amount": selling_amt,
            "sellingUnitPrice": selling_u,
            "sellingAmount": selling_amt,
            "supplierUnitPrice": supplier_u,
            "supplierAmount": supplier_amt,
            "deliveredQuantity": _merged_dq,
            "status": item.status
        })

    return success_response({
        "list": result,
        "total": len(result)
    })


# =========================================
# 商品简单列表 API
# =========================================


@router.get("/products/simple", response_model=dict)
def list_products_simple(
    keyword: Optional[str] = Query(None, description="关键词搜索"),
    categoryId: Optional[str] = Query(None, description="分类ID"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取商品简单列表（用于订单调整选择替代商品）"""
    from app.models.models import BizProduct

    query = db.query(BizProduct).filter(BizProduct.is_del == 0, BizProduct.is_active == 1)

    if keyword:
        query = query.filter(BizProduct.name.ilike(f"%{keyword}%"))

    if categoryId:
        query = query.filter(BizProduct.category_id == categoryId)

    products = query.order_by(BizProduct.name).limit(100).all()

    result = []
    for p in products:
        category_name = None
        if p.category_id:
            cat = category_crud.get(db, p.category_id)
            category_name = cat.name if cat else None

        unit_name = None
        if p.unit_id:
            u = unit_crud.get(db, p.unit_id)
            unit_name = u.name if u else None

        result.append({
            "id": p.id,
            "name": p.name,
            "categoryId": p.category_id,
            "categoryName": category_name,
            "unitId": p.unit_id,
            "unitName": unit_name,
            "imageUrl": p.image_url
        })

    return success_response({
        "list": result,
        "total": len(result)
    })


# =========================================
# 询价单简单列表 API
# =========================================


@router.get("/inquiries/simple", response_model=dict)
def list_inquiries_simple(
    status: Optional[str] = Query(None, description="状态"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取询价单简单列表（用于报价对比选择）"""
    from app.models.models import BizInquiry

    query = db.query(BizInquiry).filter(BizInquiry.is_del == 0)

    if status:
        query = query.filter(BizInquiry.status == status)

    inquiries = query.order_by(BizInquiry.create_at.desc()).limit(50).all()

    result = []
    for inquiry in inquiries:
        region_name = None
        if inquiry.region_id:
            region = region_crud.get(db, inquiry.region_id)
            region_name = region.name if region else None

        result.append({
            "id": inquiry.id,
            "title": inquiry.title,
            "status": inquiry.status,
            "regionId": inquiry.region_id,
            "regionName": region_name,
            "createAt": str(inquiry.create_at) if inquiry.create_at else None
        })

    return success_response({
        "list": result,
        "total": len(result)
    })


# =========================================
# 报价确认供应商 API
# =========================================


@router.post("/quotations/confirm-supplier", response_model=dict)
def confirm_quotation_supplier(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """确认选择供应商报价，并生成区域生效价格清单（active）

    约束：
    - 同一询价单，仅允许 1 个报价单为 selected
    - 报价单状态仅使用：submitted / selected
    - 不改变询价单状态（仍为 published 等业务状态）
    """
    from app.models.models import BizInquiry, BizQuotation, BizPriceList, BizPriceListItem
    from app.crud.quotation import quotation_crud, quotation_item_crud
    from app.crud.inquiry import inquiry_item_crud
    from app.crud.product import product_crud
    from app.core.utils import generate_id
    from sqlalchemy import and_
    from decimal import Decimal

    inquiry_id = request.get("inquiryId")
    quotation_id = request.get("quotationId")
    final_price_items = request.get("finalPriceItems") or []

    if not inquiry_id or not quotation_id:
        return error_response(400, "询价单ID和报价ID不能为空")

    inquiry = db.query(BizInquiry).filter(and_(BizInquiry.id == inquiry_id, BizInquiry.is_del == 0)).first()
    if not inquiry:
        return error_response(404, "询价单不存在")

    quotation = quotation_crud.get(db, quotation_id)
    if not quotation:
        return error_response(404, "报价不存在")

    if quotation.inquiry_id != inquiry_id:
        return error_response(400, "报价不属于该询价单")

    # 询价单必须处于发布中，才允许选择供应商生成生效价格
    if inquiry.status != "published":
        return error_response(400, "只能对已发布状态的询价单选择供应商报价")

    # 同一询价仅允许一个 selected：先将其它报价恢复为 submitted
    db.query(BizQuotation).filter(
        and_(
            BizQuotation.inquiry_id == inquiry_id,
            BizQuotation.id != quotation_id,
            BizQuotation.is_del == 0
        )
    ).update({"status": "submitted"}, synchronize_session=False)

    # 当前报价置为 selected
    quotation.status = "selected"

    # 生成价格清单：范围仅询价单的商品
    inquiry_items = inquiry_item_crud.get_by_inquiry(db, inquiry_id)
    inquiry_product_ids = {i.product_id for i in inquiry_items if i and i.product_id}
    if not inquiry_product_ids:
        return error_response(400, "询价单必须包含至少一个商品")

    quotation_items = quotation_item_crud.get_by_quotation(db, quotation_id)
    quotation_item_by_pid: dict[str, any] = {}
    for qi in quotation_items or []:
        pid = str(getattr(qi, "product_id", "") or "")
        if not pid:
            continue
        if pid in inquiry_product_ids:
            quotation_item_by_pid[pid] = qi

    # 允许供应商某些商品未报价：只要运营端传入了最终售价(finalPriceItems)即可生成价格清单
    if not quotation_item_by_pid and not final_price_items:
        return error_response(400, "该报价单未包含本询价单商品报价，且未传入最终售价，无法生成价格清单")

    # 计算版本号（区域维度自增）
    max_version_row = db.query(BizPriceList).filter(
        and_(BizPriceList.region_id == inquiry.region_id, BizPriceList.is_del == 0)
    ).order_by(BizPriceList.version.desc()).first()
    next_version = (max_version_row.version + 1) if max_version_row and max_version_row.version else 1

    # 将该区域其他 active 价格清单置为 inactive
    db.query(BizPriceList).filter(
        and_(
            BizPriceList.region_id == inquiry.region_id,
            BizPriceList.status == "active",
            BizPriceList.is_del == 0
        )
    ).update({"status": "inactive"}, synchronize_session=False)

    # 创建新价格清单（直接生效）
    price_list_id = generate_id()
    now = datetime.now()
    price_list = BizPriceList(
        id=price_list_id,
        region_id=inquiry.region_id,
        supplier_id=quotation.supplier_id,
        inquiry_id=inquiry_id,
        quotation_id=quotation_id,
        source_type="quotation_select",
        version=next_version,
        status="active",
        effective_time=now,
        published_by=current_user.get("user_id"),
        published_time=now,
        remark=f"由询价单选择供应商报价生成（询价={inquiry_id}, 报价={quotation_id}）",
        create_by=current_user.get("user_id"),
        create_name=current_user.get("real_name")
    )
    db.add(price_list)
    db.flush()

    # 可选：前端传入最终售卖价 + 本次调价系数（用于回显与二次发布）
    # key 统一使用 str(product_id)，避免类型不一致导致匹配失败
    final_price_map: dict[str, Decimal] = {}
    pricing_coeff_map: dict[str, Decimal] = {}
    if final_price_items:
        if not isinstance(final_price_items, list):
            return error_response(400, "finalPriceItems 参数格式错误")
        for it in final_price_items:
            if not isinstance(it, dict):
                return error_response(400, "finalPriceItems 参数格式错误")
            pid = it.get("productId")
            price = it.get("price")
            pricing_coeff = it.get("pricingCoefficient")
            if not pid:
                return error_response(400, "finalPriceItems.productId 不能为空")
            pid_key = str(pid)
            try:
                price_decimal = Decimal(str(price))
            except Exception:
                return error_response(400, f"商品 {pid} 的价格格式不正确")
            if price_decimal <= Decimal("0"):
                return error_response(400, f"商品 {pid} 的价格必须大于0")
            final_price_map[pid_key] = price_decimal.quantize(Decimal("0.01"))
            if pricing_coeff is not None and pricing_coeff != "":
                try:
                    coeff_decimal = Decimal(str(pricing_coeff))
                except Exception:
                    return error_response(400, f"商品 {pid} 的调价系数格式不正确")
                pricing_coeff_map[pid_key] = coeff_decimal.quantize(Decimal("0.01"))

    # 写入价格清单明细：范围=询价单的商品（不要求供应商都报价）
    for ii in inquiry_items:
        pid_key = str(getattr(ii, "product_id", "") or "")
        if not pid_key:
            continue

        qi = quotation_item_by_pid.get(pid_key)
        final_price = final_price_map.get(pid_key)
        pricing_coeff = pricing_coeff_map.get(pid_key)

        # 最终售价优先取前端传入；否则回退为供应商报价
        if final_price is None:
            if qi is not None and getattr(qi, "price", None) is not None:
                final_price = Decimal(str(qi.price)).quantize(Decimal("0.01"))
            else:
                return error_response(400, f"商品 {pid_key} 缺少供应商报价，且未传入最终售价，无法生成价格清单")

        # 单位ID：优先报价单项；否则从商品表取
        unit_id = getattr(qi, "unit_id", None) if qi is not None else None
        if not unit_id:
            product_for_unit = product_crud.get(db, pid_key)
            unit_id = getattr(product_for_unit, "unit_id", None) if product_for_unit else None
        if not unit_id:
            return error_response(400, f"商品 {pid_key} 缺少单位信息，无法生成价格清单")

        # 若前端未传调价系数：尝试通过(最终价, 供应商报价)反推；再兜底商品默认系数
        if pricing_coeff is None:
            if qi is not None and getattr(qi, "price", None) is not None:
                try:
                    supplier_price_decimal = Decimal(str(qi.price))
                except Exception:
                    supplier_price_decimal = Decimal("0")
                if supplier_price_decimal > Decimal("0"):
                    try:
                        pricing_coeff = ((final_price / supplier_price_decimal) - Decimal("1")) * Decimal("100")
                        pricing_coeff = pricing_coeff.quantize(Decimal("0.01"))
                    except Exception:
                        pricing_coeff = None

        if pricing_coeff is None:
            product = product_crud.get(db, pid_key)
            raw_default = getattr(product, "price_coefficient", None) if product else None
            try:
                pricing_coeff = Decimal(str(raw_default)).quantize(Decimal("0.01")) if raw_default is not None else Decimal("0.00")
            except Exception:
                pricing_coeff = Decimal("0.00")

        pli = BizPriceListItem(
            id=generate_id(),
            price_list_id=price_list_id,
            product_id=pid_key,
            unit_id=unit_id,
            price=final_price,
            pricing_coefficient=pricing_coeff,
            create_by=current_user.get("user_id"),
            create_name=current_user.get("real_name")
        )
        db.add(pli)

    db.commit()

    # 广播：该区域生效价格已更新（小程序端可实时刷新）
    try:
        from app.ws.price_updates import notify_price_list_updated, PriceListUpdatedEvent
        notify_price_list_updated(PriceListUpdatedEvent(
            regionId=inquiry.region_id,
            priceListId=price_list_id,
            priceVersion=next_version,
            publishedTime=str(now),
        ))
    except Exception:
        # 推送失败不影响主流程
        pass

    return success_response({
        "message": "已选择供应商报价并生成生效价格",
        "inquiryId": inquiry_id,
        "quotationId": quotation_id,
        "priceListId": price_list_id,
        "priceVersion": next_version
    })


# =========================================
# 价格版本管理 API
# =========================================


@router.get("/price-versions", response_model=dict)
def list_price_versions(
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    regionId: Optional[str] = Query(None, description="区域ID"),
    supplierId: Optional[str] = Query(None, description="供应商ID"),
    status: Optional[str] = Query(None, description="状态"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取价格版本列表"""
    from app.models.models import BizPriceList, SysRegion, SysUser
    from sqlalchemy import func

    query = db.query(BizPriceList).filter(BizPriceList.is_del == 0)

    if regionId:
        query = query.filter(BizPriceList.region_id == regionId)

    if supplierId:
        query = query.filter(BizPriceList.supplier_id == supplierId)

    if status:
        query = query.filter(BizPriceList.status == status)

    total = int(query.with_entities(func.count(BizPriceList.id)).order_by(None).scalar() or 0)
    versions = (
        query
        .with_entities(
            BizPriceList.id,
            BizPriceList.version,
            BizPriceList.region_id,
            BizPriceList.supplier_id,
            BizPriceList.status,
            BizPriceList.effective_time,
            BizPriceList.remark,
            BizPriceList.create_at,
        )
        .order_by(BizPriceList.create_at.desc())
        .offset((page - 1) * pageSize)
        .limit(pageSize)
        .all()
    )

    region_ids = list({v.region_id for v in versions if getattr(v, "region_id", None)})
    supplier_ids = list({v.supplier_id for v in versions if getattr(v, "supplier_id", None)})

    region_map = {}
    if region_ids:
        regions = db.query(SysRegion.id, SysRegion.name).filter(SysRegion.id.in_(region_ids), SysRegion.is_del == 0).all()
        region_map = {r.id: r.name for r in regions}

    supplier_map = {}
    if supplier_ids:
        suppliers = db.query(SysUser.id, SysUser.real_name).filter(SysUser.id.in_(supplier_ids), SysUser.is_del == 0).all()
        supplier_map = {u.id: u.real_name for u in suppliers}

    result = []
    for v in versions:
        result.append({
            "id": v.id,
            "versionNo": getattr(v, "version_no", None) or getattr(v, "version", None),
            "regionId": v.region_id,
            "regionName": region_map.get(v.region_id),
            "supplierId": v.supplier_id,
            "supplierName": supplier_map.get(v.supplier_id),
            "status": v.status,
            "effectiveTime": str(v.effective_time) if v.effective_time else None,
            "remark": v.remark,
            "createAt": str(v.create_at) if v.create_at else None
        })

    return success_response({
        "list": result,
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize
    })


@router.get("/price-versions/{version_id}", response_model=dict)
def get_price_version_detail(
    version_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """获取价格版本详情（含供应商报价与最终售价拆解，便于订单侧只读查看）。"""
    from app.models.models import BizPriceList, BizPriceListItem, BizQuotationItem
    from app.crud.inquiry import inquiry_crud

    version = db.query(BizPriceList).filter(BizPriceList.id == version_id, BizPriceList.is_del == 0).first()
    if not version:
        return error_response(404, "价格清单不存在")

    region_name = None
    if version.region_id:
        region = region_crud.get(db, version.region_id)
        region_name = region.name if region else None

    supplier_name = None
    if version.supplier_id:
        supplier = user_crud.get(db, version.supplier_id)
        supplier_name = supplier.real_name if supplier else None

    inquiry_title = None
    if version.inquiry_id:
        iq = inquiry_crud.get(db, version.inquiry_id)
        inquiry_title = iq.title if iq else None

    # 来源报价单：用于还原供应商侧单价
    q_item_by_pid: dict[str, object] = {}
    if version.quotation_id:
        q_rows = db.query(BizQuotationItem).filter(
            and_(
                BizQuotationItem.quotation_id == version.quotation_id,
                BizQuotationItem.is_del == 0
            )
        ).all()
        for qi in q_rows:
            pid = str(getattr(qi, "product_id", "") or "")
            if pid and pid not in q_item_by_pid:
                q_item_by_pid[pid] = qi

    # 获取版本明细
    items = db.query(BizPriceListItem).filter(
        BizPriceListItem.price_list_id == version_id,
        BizPriceListItem.is_del == 0
    ).all()

    item_details = []
    for item in items:
        product = product_crud.get(db, item.product_id)
        unit_name = None
        if item.unit_id:
            u = unit_crud.get(db, item.unit_id)
            unit_name = u.name if u else None
        pid = str(item.product_id or "")
        q_item = q_item_by_pid.get(pid)
        supplier_price = float(getattr(q_item, "price", 0) or 0) if q_item else 0.0
        coeff = None
        if getattr(item, "pricing_coefficient", None) is not None:
            coeff = float(item.pricing_coefficient)
        elif product and getattr(product, "price_coefficient", None) is not None:
            coeff = float(product.price_coefficient)
        else:
            coeff = 0.0
        final_price = float(item.price) if item.price else 0.0
        category_id = getattr(product, "category_id", None) if product else None
        category_path = _category_path_display(db, str(category_id)) if category_id else ""

        item_details.append({
            "id": item.id,
            "productId": item.product_id,
            "productName": product.name if product else None,
            "imageUrl": getattr(product, "image_url", None) if product else None,
            "categoryId": str(category_id) if category_id else None,
            "categoryName": category_path or None,
            "measureValue": _numeric_to_float_optional(getattr(product, "measure_value", None)) if product else None,
            "unitId": item.unit_id,
            "unitName": unit_name,
            "supplierPrice": supplier_price,
            "pricingCoefficient": coeff,
            "finalPrice": final_price,
            "price": final_price
        })

    return success_response({
        "id": version.id,
        "versionNo": getattr(version, "version_no", None) or getattr(version, "version", None),
        "version": getattr(version, "version", None),
        "regionId": version.region_id,
        "regionName": region_name,
        "supplierId": version.supplier_id,
        "supplierName": supplier_name,
        "inquiryId": version.inquiry_id,
        "inquiryTitle": inquiry_title,
        "quotationId": version.quotation_id,
        "status": version.status,
        "effectiveTime": str(version.effective_time) if version.effective_time else None,
        "remark": version.remark,
        "createAt": str(version.create_at) if version.create_at else None,
        "items": item_details
    })


@router.post("/price-versions", response_model=dict)
def create_price_version(
    request: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """创建价格版本"""
    from app.models.models import BizPriceList
    from app.core.utils import generate_uuid

    region_id = request.get("regionId")
    supplier_id = request.get("supplierId")
    effective_time = request.get("effectiveTime")
    remark = request.get("remark")

    if not region_id or not supplier_id:
        return error_response(400, "区域ID和供应商ID不能为空")

    # 生成版本号
    today = datetime.now().strftime("%Y%m%d")
    count = db.query(BizPriceList).filter(
        BizPriceList.region_id == region_id,
        BizPriceList.supplier_id == supplier_id
    ).count()
    version_no = f"PL{today}{count + 1:04d}"

    # 解析生效时间
    effective_dt = None
    if effective_time:
        try:
            effective_dt = datetime.strptime(effective_time, "%Y-%m-%d %H:%M:%S")
        except:
            try:
                effective_dt = datetime.strptime(effective_time, "%Y-%m-%d")
            except:
                pass

    new_version = BizPriceList(
        id=generate_uuid(),
        region_id=region_id,
        supplier_id=supplier_id,
        version_no=version_no,
        status="draft",
        effective_time=effective_dt,
        remark=remark,
        create_at=datetime.now(),
        create_by=current_user.get("user_id"),
        create_name=current_user.get("real_name"),
        is_del=0
    )

    db.add(new_version)
    db.commit()

    return success_response({
        "id": new_version.id,
        "versionNo": version_no,
        "message": "价格版本创建成功"
    })


@router.post("/price-versions/{version_id}/publish", response_model=dict)
def publish_price_version(
    version_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """发布价格版本"""
    from app.models.models import BizPriceList

    version = db.query(BizPriceList).filter(BizPriceList.id == version_id, BizPriceList.is_del == 0).first()
    if not version:
        return error_response(404, "价格版本不存在")

    if version.status != "draft":
        return error_response(400, "只有草稿状态的价格版本才能发布")

    version.status = "published"
    version.publish_time = datetime.now()
    version.publisher_id = current_user.get("user_id")

    db.commit()

    return success_response({
        "id": version.id,
        "status": version.status,
        "message": "价格版本发布成功"
    })


@router.post("/price-versions/{version_id}/disable", response_model=dict)
def disable_price_version(
    version_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """禁用价格版本"""
    from app.models.models import BizPriceList

    version = db.query(BizPriceList).filter(BizPriceList.id == version_id, BizPriceList.is_del == 0).first()
    if not version:
        return error_response(404, "价格版本不存在")

    if version.status == "invalid":
        return error_response(400, "该价格版本已经失效")

    version.status = "invalid"
    version.invalidate_time = datetime.now()
    version.invalidate_operator_id = current_user.get("user_id")

    db.commit()

    return success_response({
        "id": version.id,
        "status": version.status,
        "message": "价格版本已禁用"
    })


@router.get("/price-versions/compare", response_model=dict)
def compare_price_versions(
    versionIds: str = Query(..., description="版本ID列表，逗号分隔"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_admin)
):
    """版本价格对比"""
    from app.models.models import BizPriceList, BizPriceListItem

    version_id_list = [v.strip() for v in versionIds.split(",") if v.strip()]

    if len(version_id_list) < 2:
        return error_response(400, "至少需要选择两个版本进行对比")

    versions = db.query(BizPriceList).filter(
        BizPriceList.id.in_(version_id_list),
        BizPriceList.is_del == 0
    ).all()

    if len(versions) < 2:
        return error_response(400, "选择的版本中有不存在的")

    # 获取所有版本的价格明细
    version_items = {}
    all_products = set()

    for version in versions:
        items = db.query(BizPriceListItem).filter(
            BizPriceListItem.price_list_id == version.id,
            BizPriceListItem.is_del == 0
        ).all()

        version_items[version.id] = {item.product_id: float(item.price) if item.price else 0 for item in items}
        all_products.update([item.product_id for item in items])

    # 构建对比数据
    compare_data = []
    for product_id in all_products:
        product = product_crud.get(db, product_id)
        if not product:
            continue

        row = {
            "productId": product_id,
            "productName": product.name,
            "prices": {}
        }

        for version in versions:
            row["prices"][version.id] = version_items.get(version.id, {}).get(product_id, None)
            if row["prices"][version.id] is not None:
                if not hasattr(row, "lowestPrice") or row["lowestPrice"] > row["prices"][version.id]:
                    row["lowestPrice"] = row["prices"][version.id]
                    row["lowestVersionId"] = version.id

        compare_data.append(row)

    # 版本基本信息
    version_info = [{
        "id": v.id,
        "versionNo": v.version_no,
        "status": v.status
    } for v in versions]

    return success_response({
        "versions": version_info,
        "products": compare_data
    })