import urllib.parse
from typing import Annotated
from datetime import date as _date

from fastapi import APIRouter, Body, Depends, File, Path, Query, UploadFile
from fastapi.responses import JSONResponse, StreamingResponse
from sqlalchemy.ext.asyncio import AsyncSession

from app.common.response import ResponseSchema, StreamResponse, SuccessResponse
from app.core.base_schema import AuthSchema, PageResultSchema, PaginationQueryParam, ImportResultSchema
from app.core.dependencies import AuthPermission, db_getter
from app.core.router_class import OperationLogRoute
from app.utils.common_util import bytes2file_response

from .schema import (
        PollenCreateSchema,
        PollenOutSchema,
        PollenQueryParam,
        PollenUpdateSchema,
)
from .service import PollenService

PollenRouter = APIRouter(route_class=OperationLogRoute, prefix="/pollen", tags=["花粉档案"])


@PollenRouter.get("/detail/{id}", summary="获取花粉档案详情", response_model=ResponseSchema[PollenOutSchema])
async def get_pollen__detail_controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:detail"]))],
    id: Annotated[int, Path(description="花粉档案ID")],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    result_dict = await service.detail(id=id)
    return SuccessResponse(data=result_dict, msg="获取花粉详情成功")


@PollenRouter.get("/list", summary="分页查询花粉档案", response_model=ResponseSchema[PageResultSchema[PollenOutSchema]])
async def get_pollen__list_controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:query"]))],
    page: Annotated[PaginationQueryParam, Depends()],
    search: Annotated[PollenQueryParam, Query()],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    result_dict = await service.page(
        page_no=page.page_no,
        page_size=page.page_size,
        search=search,
        order_by=page.order_by,
    )
    return SuccessResponse(data=result_dict, msg="查询花粉列表成功")


@PollenRouter.get("/options", summary="花粉档案下拉选项")
async def get_pollen__options_controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:query"]))],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    options = await service.list_options()
    return SuccessResponse(data=options, msg="获取花粉选项成功")


@PollenRouter.get("/available_lots", summary="授粉窗口：查询当前有效期内可用花粉批次")
async def get_pollen__available_lots_controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:query"]))],
    db: Annotated[AsyncSession, Depends(db_getter)],
    date_on: Annotated[_date | None, Query(description="查询日期（缺省今天）")] = None,
) -> JSONResponse:
    service = PollenService(auth, db)
    lots = await service.available_lots(date_on=date_on)
    return SuccessResponse(data=lots, msg="获取可用花粉批次成功")


@PollenRouter.get("/window-plan", summary="授粉窗口规划：花期×花粉库存覆盖分析")
async def get_pollen__window_plan_controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:query"]))],
    db: Annotated[AsyncSession, Depends(db_getter)],
    window_start: Annotated[_date, Query(description="窗口起始")],
    window_end: Annotated[_date, Query(description="窗口结束")],
) -> JSONResponse:
    service = PollenService(auth, db)
    plan = await service.window_plan(window_start=window_start, window_end=window_end)
    return SuccessResponse(data=plan, msg="生成授粉窗口规划成功")


@PollenRouter.post("/create", summary="创建花粉档案", response_model=ResponseSchema[PollenOutSchema])
async def create_pollen__controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:create"]))],
    data: Annotated[PollenCreateSchema, Body(description="创建参数")],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    result_dict = await service.create(data=data)
    return SuccessResponse(data=result_dict, msg="创建花粉成功")


@PollenRouter.put("/update/{id}", summary="修改花粉档案", response_model=ResponseSchema[PollenOutSchema])
async def update_pollen__controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:update"]))],
    id: Annotated[int, Path(description="花粉档案ID")],
    data: Annotated[PollenUpdateSchema, Body(description="修改参数")],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    result_dict = await service.update(id=id, data=data)
    return SuccessResponse(data=result_dict, msg="修改花粉成功")


@PollenRouter.delete("/delete", summary="删除花粉档案", response_model=ResponseSchema[None])
async def delete_pollen__controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:delete"]))],
    ids: Annotated[list[int], Body(description="ID列表")],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    await service.delete(ids=ids)
    return SuccessResponse(msg="删除花粉成功")


@PollenRouter.post("/export", summary="导出花粉档案")
async def export_pollen__controller(
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:export"]))],
    search: Annotated[PollenQueryParam, Query()],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> StreamingResponse:
    service = PollenService(auth, db)
    result_dict_list = await service.get_list(search=search)
    export_result = PollenService.batch_export(obj_list=[item.model_dump() for item in result_dict_list])
    return StreamResponse(
        data=bytes2file_response(export_result),
        media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
        headers={"Content-Disposition": f"attachment; filename={urllib.parse.quote('花粉档案.xlsx')}"},
    )


@PollenRouter.post("/import", summary="导入花粉档案", response_model=ResponseSchema[ImportResultSchema])
async def import_pollen__controller(
    file: Annotated[UploadFile, File(description="导入文件")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_bre:pollen:import"]))],
    db: Annotated[AsyncSession, Depends(db_getter)],
) -> JSONResponse:
    service = PollenService(auth, db)
    batch_import_result = await service.batch_import(file=file, update_support=True)
    return SuccessResponse(data=batch_import_result, msg="导入花粉成功")


@PollenRouter.post("/download/template", summary="获取花粉档案导入模板", dependencies=[Depends(AuthPermission(["module_bre:pollen:download"]))])
async def download_pollen__template_controller() -> StreamingResponse:
    import_template_result = PollenService.import_template_download()
    return StreamResponse(
        data=bytes2file_response(import_template_result),
        media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
        headers={
            "Content-Disposition": f"attachment; filename={urllib.parse.quote('花粉档案导入模板.xlsx')}",
            "Access-Control-Expose-Headers": "Content-Disposition",
        },
    )