"""API - 小程序端售后评价接口"""
from typing import Optional

from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session

from app.core.database import get_db
from app.core.auth import get_current_user
from app.core.response import success_response, error_response
from app.crud.product_review import product_review
from app.crud.product_review_media import product_review_media
from app.schemas.product_review import (
    ProductReviewCreate,
    ProductReviewUpdate,
    ProductReviewListResponse
)
from app.schemas.product_review_media import ProductReviewMediaCreate

router = APIRouter(prefix="/mini/reviews", tags=["小程序评价接口"])


def require_client_or_supplier(current_user: dict = Depends(get_current_user)):
    """验证客户或供应商权限"""
    role = current_user.get("role")
    if role not in ["client", "supplier", "admin"]:
        raise HTTPException(status_code=403, detail="需要客户或供应商权限")
    return current_user


@router.get("/product/{product_id}", response_model=dict)
def list_product_reviews(
    product_id: str,
    page: int = Query(1, ge=1, description="页码"),
    pageSize: int = Query(10, ge=1, le=100, description="每页条数"),
    hasMedia: Optional[int] = Query(None, description="是否有媒体：1-有图/视频"),
    db: Session = Depends(get_db),
    current_user: dict = Depends(get_current_user)
):
    """获取商品的评价列表（仅显示已审核通过的评价）"""
    items, total = product_review.get_by_product(
        db,
        product_id=product_id,
        skip=(page - 1) * pageSize,
        limit=pageSize,
        status="approved",
        has_media=hasMedia
    )
    
    # 获取每个评价的媒体列表
    result_list = []
    for item in items:
        media_list = product_review_media.get_by_review(db, item.id)
        result_list.append({
            "id": item.id,
            "productId": item.product_id,
            "userId": item.user_id,
            "userName": "匿名用户" if item.is_anonymous else item.user_name,
            "rating": item.rating,
            "ratingTags": item.rating_tags,
            "content": item.content,
            "isAnonymous": item.is_anonymous,
            "replyContent": item.reply_content,
            "replyTime": str(item.reply_time) if item.reply_time else None,
            "likeCount": item.like_count,
            "createAt": str(item.create_at) if item.create_at else None,
            "mediaList": [{
                "id": m.id,
                "mediaType": m.media_type,
                "fileUrl": m.file_url,
                "thumbnailUrl": m.thumbnail_url
            } for m in media_list]
        })
    
    return success_response({
        "list": result_list,
        "total": total,
        "page": page,
        "pageSize": pageSize
    })


@router.post("", response_model=dict)
def create_review(
    review_data: dict,
    db: Session = Depends(get_db),
    current_user: dict = Depends(require_client_or_supplier)
):
    """提交评价"""
    user_id = current_user.get("user_id")
    user_name = current_user.get("real_name")
    
    # 检查是否已评价
    if product_review.user_can_review(db, user_id, review_data.get("product_id"), review_data.get("order_id")):
        return error_response(400, "您已评价过该商品")
    
    creator = {"user_id": user_id, "real_name": user_name}
    
    # 创建评价
    review = product_review.create(db, {
        "product_id": review_data.get("product_id"),
        "order_id": review_data.get("order_id"),
        "order_item_id": review_data.get("order_item_id"),
        "user_id": user_id,
        "user_name": user_name,
        "rating": review_data.get("rating", 5),
        "rating_tags": review_data.get("rating_tags"),
        "content": review_data.get("content"),
        "is_anonymous": review_data.get("is_anonymous", 0),
        "status": "pending"  # 默认待审核
    }, creator)
    
    # 保存媒体
    media_items = review_data.get("media", [])
    if media_items:
        product_review_media.create_batch(db, review.id, media_items, creator)
    
    return success_response({
        "id": review.id,
        "message": "评价提交成功，等待审核"
    })


@router.post("/{review_id}/like", response_model=dict)
def like_review(
    review_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(get_current_user)
):
    """点赞评价"""
    review = product_review.like(db, review_id)
    if not review:
        return error_response(404, "评价不存在或未通过审核")
    return success_response({
        "likeCount": review.like_count
    })


@router.get("/statistics/{product_id}", response_model=dict)
def get_product_review_stats(
    product_id: str,
    db: Session = Depends(get_db),
    current_user: dict = Depends(get_current_user)
):
    """获取商品评价统计"""
    stats = product_review.get_statistics(db, product_id)
    return success_response(stats)