from sqlalchemy import delete, select, update
from sqlalchemy.ext.asyncio import AsyncSession
from module_admin.entity.do.metatask_do import Metatask
from module_admin.entity.vo.metatask_vo import MetataskModel, MetataskPageObject
from datetime import datetime, time
from utils.page_util import PageUtil




class MetataskDao:
    """
    参数配置管理模块数据库操作层
    """

    @classmethod
    async def get_metatask_detail_by_id(cls, db: AsyncSession, metatask_id: int):
        """
        根据参数配置id获取参数配置详细信息
        :param db: orm对象
        :param metatask_id: 参数配置id
        :return: 参数配置信息对象
        """
        metatask_info = (await db.execute(select(Metatask).where(Metatask.metatask_id == metatask_id))).scalars().first()

        return metatask_info

    @classmethod
    async def get_metatask_detail_by_info(cls, db: AsyncSession, metatask: MetataskModel):
        metatask_info = (
            (
                await db.execute(
                    select(Metatask).where(
                        Metatask.metatask_name == metatask.metatask_name if metatask.metatask_name else True,
                    )
                )
            )
            .scalars()
            .first()
        )

        return metatask_info


    @classmethod
    async def get_metatask_list(cls, db: AsyncSession, query_object: MetataskPageObject , is_page: bool = False):
        """
        根据查询参数获取参数配置列表信息

        :param db: orm对象
        :param query_object: 查询参数对象
        :param is_page: 是否开启分页
        :return: 参数配置列表信息对象
        """
        query = (
            select(Metatask)
            .where(
                Metatask.metatask_name.like(f'%{query_object.metatask_name}%') if query_object.metatask_name else True,
                Metatask.metatask_id == query_object.metatask_id if query_object.metatask_id else True,
                Metatask.metatask_type == query_object.metatask_type if query_object.metatask_type else True,
                Metatask.dbRCode == query_object.dbRCode if query_object.dbRCode else False,
                Metatask.create_time.between(
                    datetime.combine(datetime.strptime(query_object.begin_time, '%Y-%m-%d'), time(00, 00, 00)),
                    datetime.combine(datetime.strptime(query_object.end_time, '%Y-%m-%d'), time(23, 59, 59)),
                )
                if query_object.begin_time and query_object.end_time
                else True,
            )
            .order_by(Metatask.create_time.desc())
            .distinct()
        )
        metatask_list = await PageUtil.paginate(db, query, query_object.page_num, query_object.page_size, is_page)

        return metatask_list



    @classmethod
    async def add_metatask_dao(cls, db: AsyncSession, metatask: MetataskModel):
        """
        新增参数配置数据库操作
        :param db: orm对象
        :param metatask: 参数配置对象
        :return:
        """
        db_metatask = Metatask(**metatask.model_dump())
        db.add(db_metatask)
        await db.flush()
        return db_metatask


    @classmethod
    async def edit_metatask_dao(cls, db: AsyncSession, metatask: dict):

       await db.execute(update(Metatask), [metatask])


    @classmethod
    async def delete_metatask_dao(cls, db: AsyncSession, metatask: MetataskModel):
        """
        删除参数配置数据库操作
        :param db: orm对象
        :param config: 参数配置对象
        :return:
        """
        await db.execute(delete(Metatask).where(Metatask.metatask_id.in_([metatask.metatask_id])))