"""小程序端消息（与运营端共用 biz_message 表，仅查当前用户）"""
from fastapi import APIRouter, Depends, 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.api.message import message_crud, BizMessage

router = APIRouter(prefix="/api/mini/message", tags=["小程序端-消息"])


def _to_response(message: BizMessage) -> dict:
    return {
        "id": message.id,
        "receiverId": message.receiver_id,
        "receiverName": message.receiver_name,
        "messageType": message.message_type,
        "title": message.title,
        "content": message.content,
        "isRead": message.is_read,
        "readTime": str(message.read_time) if message.read_time else None,
        "createAt": str(message.create_at) if message.create_at else None,
    }


@router.get("/list", response_model=dict)
def mini_message_list(
    page: int = Query(1, ge=1),
    pageSize: int = Query(20, ge=1, le=100),
    messageType: str = None,
    isRead: int = None,
    db: Session = Depends(get_db),
    current_user: dict = Depends(get_current_user),
):
    role = current_user.get("role")
    if role not in ("client", "supplier", "deliver"):
        return error_response(403, "无权限")

    receiver_id = current_user.get("user_id")
    items, total = message_crud.get_list(
        db=db,
        receiver_id=receiver_id,
        message_type=messageType,
        is_read=isRead,
        page=page,
        page_size=pageSize,
    )
    return success_response({
        "list": [_to_response(item) for item in items],
        "total": total,
        "page": page,
        "pageSize": pageSize,
        "totalPages": (total + pageSize - 1) // pageSize if total else 0,
    })


@router.get("/unread-count", response_model=dict)
def mini_unread_count(
    db: Session = Depends(get_db),
    current_user: dict = Depends(get_current_user),
):
    role = current_user.get("role")
    if role not in ("client", "supplier", "deliver"):
        return error_response(403, "无权限")

    count = message_crud.get_unread_count(db, current_user.get("user_id"))
    return success_response({"count": count})