import json
import uuid

from typing import Optional, List
from sqlalchemy.ext.asyncio import AsyncSession
from module_admin.entity.vo.common_vo import CrudResponseModel
from module_admin.entity.vo.user_vo import CurrentUserModel
from module_admin.entity.vo.dataint_vo import SscfPageObject, SaveSscfModel, TreeOperateModel
from module_admin.entity.do.dataint_do import SysSscf
from module_admin.dao.sscf_dao import SscfDao
from exceptions.exception import ServiceException, ServiceWarning
from datetime import datetime
from utils.common_util import CamelCaseUtil


class SscfService:
    """
    智能问答服务层
    """

    @classmethod
    async def get_sscf_list_services(cls, result_db: AsyncSession, sscf_query: SscfPageObject, current_user: CurrentUserModel):
        result = await SscfDao.get_sscf_list(result_db, sscf_query)
        return CamelCaseUtil.transform_result(result)

    @classmethod
    async def get_dasset_tree_services(cls, result_db: AsyncSession, current_user: CurrentUserModel):
        result = await SscfDao.get_dasset_tree(result_db)
        return CamelCaseUtil.transform_result(result)

    @classmethod
    async def save_dasset_tree_services(cls, result_db: AsyncSession, treeOperate: TreeOperateModel, current_user: CurrentUserModel):
        tree = await SscfDao.get_dasset_tree_by_code(result_db, treeOperate.dasset_code)
        if treeOperate.operate == 'ADD':
            if tree:
                raise ServiceException(message="已存在code为:"+treeOperate.dasset_code+"的目录，无法重复新增，请修改code后新增")
            else:
                await SscfDao.insert_dasset_tree(result_db, treeOperate)
                await result_db.commit()
        if treeOperate.operate == 'UPDATE':
            if tree:
                if tree.onum == treeOperate.onum:
                    treeObj = dict(
                        onum=treeOperate.onum,
                        dasset_code=treeOperate.dasset_code,
                        dasset_name=treeOperate.dasset_name
                    )
                    await SscfDao.save_dasset_tree(result_db, treeObj)
                    await result_db.commit()
                else:
                    raise ServiceException(message="已存在code为:"+treeOperate.dasset_code+"的目录")
            else:
                treeObj = dict(
                    onum=treeOperate.onum,
                    dasset_code=treeOperate.dasset_code,
                    dasset_name=treeOperate.dasset_name
                )
                await SscfDao.save_dasset_tree(result_db, treeObj)
                await result_db.commit()
        if treeOperate.operate == 'DELETE':
            if tree:
                await SscfDao.delete_dasset_tree(result_db, treeOperate.onum)
                await result_db.commit()
            else:
                raise ServiceException(mssage="不存在code为:"+treeOperate.dasset_code+"的目录")
        return CrudResponseModel(is_success=True, message='操作成功')

    @classmethod
    async def save_sscf(cls, result_db: AsyncSession, saveSscfModel: SaveSscfModel, current_user: CurrentUserModel):
        if saveSscfModel.onum is None:
            # add
            saveSscfModel.onum = uuid.uuid4()
            addObj = SysSscf(**saveSscfModel.model_dump())
            addObj.create_by = current_user.user.user_name
            addObj.create_time = datetime.now()
            addObj.update_by = current_user.user.user_name
            addObj.update_time = datetime.now()
            await SscfDao.insert_sscf(result_db, addObj)
        else:
            # update
            oldObj = await SscfDao.get_sscf_by_id(result_db, saveSscfModel.onum)
            if oldObj is None:
                raise ServiceException(message='所改对象不存在')
            saveObj = saveSscfModel.model_dump(exclude_unset=True)
            saveObj['update_by'] = current_user.user.user_name
            saveObj['update_time'] = datetime.now()
            await SscfDao.update_sscf(result_db, saveObj)
        await result_db.commit()
        return CrudResponseModel(is_success=True, message='操作成功')

    @classmethod
    async def delete_sscf(cls, db: AsyncSession, array: List[str]):
        await SscfDao.delete_sscf(db, array)
        await db.commit()
        return CrudResponseModel(is_success=True, message='操作成功')