#!/usr/bin/env python
# -*- coding: utf-8 -*-

from fastapi import APIRouter, Depends
from sqlalchemy.ext.asyncio import AsyncSession

from crud.sysdata.region import crud_region
from schemas.sysdata.region import RegionItemList
from utils.depends import get_async_db

router = APIRouter()

# @router.get("/admin/regions",
#                    response_model=RegionList,
#                    summary="地区列表(管理用)")
# async def get_regions(page: Optional[int] = 1,
#                       size: Optional[int] = 10,
#                       code: Optional[str] = "",
#                       name: Optional[str] = "",
#                       level: Optional[int] = 0,
#                       db: AsyncSession = Depends(get_async_db)):
#
#     # filter conditions and offsets
#     filter = {}
#     if code:
#         filter["code"] = code
#     if name:
#         filter["name"] = name
#     if level:
#         filter["level"] = level
#     offset = (page - 1) * size
#
#     total, items = await crud_manager.find(db, Region, filter, offset, size)
#     return {"total": total, "data": items}

# @region_router.get("/admin/regions/{id}",
#                    response_model=RegionDetail,
#                    summary="地区详情")
# async def get_region(id: int = Path(..., description="地区ID"),
#                      db: AsyncSession = Depends(get_async_db)):
#     item = await crud_manager.find_one(Region, {"id": id}, db)
#     parent = await crud_manager.find_one(Region, {"pcode": item.pcode}, db)
#     item.parent = {"id": parent.id, "code": parent.code, "name": parent.name}
#     return {"data": item}


@router.get("/regions",
            response_model=RegionItemList,
            summary="地区列表(级联选择用)",
            description="地区列表，默认选择省列表。")
async def get_regions(page: int = None,
                      size: int = None,
                      code: str = "",
                      level: int = 1,
                      db: AsyncSession = Depends(get_async_db)):

    filters = {"level": level}
    if code:
        filters["pcode"] = code
    if level != 1:
        filters["level"] = level

    # 翻页
    if ((page is not None) and (page > 0)) \
            and ((size is not None) and (size > 0)):
        offset = (page - 1) * size
    else:
        offset = size = None

    total, items = await crud_region.find_all(db,
                                              filters=filters,
                                              offset=offset,
                                              limit=size)
    return {"total": total, "data": items}