#!/usr/bin/python
# -*- coding: utf-8 -*-
# @version        : 1.0
# @Creaet Time    : 2021/10/18 22:18
# @File           : crud.py
# @IDE            : PyCharm
# @desc           : 数据库 增删改查操作

# sqlalchemy 查询操作：https://segmentfault.com/a/1190000016767008
# sqlalchemy 关联查询：https://www.jianshu.com/p/dfad7c08c57a
# sqlalchemy 关联查询详细：https://blog.csdn.net/u012324798/article/details/103940527
import json
import os
from typing import List, Union

from aioredis import Redis
from sqlalchemy import select, update
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import joinedload
from application.settings import STATIC_ROOT
from utils.file.file_manage import FileManage
from . import models, schemas
from core.crud import DalBase


class DictTypeDal(DalBase):

    def __init__(self, db: AsyncSession):
        super(DictTypeDal, self).__init__(db, models.VadminDictType, schemas.DictTypeSimpleOut)

    async def get_dicts_details(self, dict_types: List[str]) -> dict:
        """
        获取多个字典类型下的字典元素列表
        """
        data = {}
        options = [joinedload(self.model.details)]
        objs = await DictTypeDal(self.db).\
            get_datas(limit=0, v_return_objs=True, v_options=options, dict_type=("in", dict_types))
        for obj in objs:
            if not obj:
                data[obj.dict_type] = []
                continue
            else:
                data[obj.dict_type] = [schemas.DictDetailsSimpleOut.from_orm(i).dict() for i in obj.details]
        return data

    async def get_select_datas(self):
        """获取选择数据，全部数据"""
        sql = select(self.model)
        queryset = await self.db.execute(sql)
        return [schemas.DictTypeSelectOut.from_orm(i).dict() for i in queryset.scalars().all()]


class DictDetailsDal(DalBase):

    def __init__(self, db: AsyncSession):
        super(DictDetailsDal, self).__init__(db, models.VadminDictDetails, schemas.DictDetailsSimpleOut)


class SettingsDal(DalBase):

    def __init__(self, db: AsyncSession):
        super(SettingsDal, self).__init__(db, models.VadminSystemSettings, schemas.SettingsSimpleOut)

    async def get_tab_values(self, tab_id: int) -> dict:
        """
        获取系统配置标签下的信息
        """
        datas = await self.get_datas(limit=0, tab_id=tab_id, v_return_objs=True)
        result = {}
        for data in datas:
            if not data.disabled:
                result[data.config_key] = data.config_value
        return result

    async def update_datas(self, datas: dict, rd: Redis):
        """
        更新系统配置信息

        更新ico图标步骤：先将文件上传到本地，然后点击提交后，获取到文件地址，将上传的新文件覆盖原有文件
        原因：ico图标的路径是在前端的index.html中固定的，所以目前只能改变图片，不改变路径
        """
        for key, value in datas.items():
            if key == "web_ico":
                continue
            elif key == "web_ico_local_path":
                if not value:
                    continue
                ico = await self.get_data(config_key="web_ico", tab_id=1)
                web_ico = datas.get("web_ico")
                if ico.config_value == web_ico:
                    continue
                # 将上传的ico路径替换到static/system/favicon.ico文件
                FileManage.copy(value, os.path.join(STATIC_ROOT, "system/favicon.ico"))
                sql = update(self.model).where(self.model.config_key == "web_ico").values(config_value=web_ico)
                await self.db.execute(sql)
            else:
                sql = update(self.model).where(self.model.config_key == key).values(config_value=value)
                await self.db.execute(sql)
        if "wx_server_app_id" in datas:
            await rd.client().set("wx_server", json.dumps(datas))

    async def get_base_config(self):
        """
        获取系统基本信息
        """
        ignore_configs = ["wx_server_app_id", "wx_server_app_secret"]
        datas = await self.get_datas(limit=0, tab_id=("in", ["1", "9"]), disabled=False, v_return_objs=True)
        result = {}
        for config in datas:
            if config.config_key not in ignore_configs:
                result[config.config_key] = config.config_value
        return result


class SettingsTabDal(DalBase):

    def __init__(self, db: AsyncSession):
        super(SettingsTabDal, self).__init__(db, models.VadminSystemSettingsTab, schemas.SettingsTabSimpleOut)

    async def get_classify_tab_values(self, classify: List[str], hidden: Union[bool, None] = False):
        """
        获取系统配置分类下的标签信息
        """
        model = models.VadminSystemSettingsTab
        options = [joinedload(model.settings)]
        datas = await self.get_datas(
            limit=0,
            v_options=options,
            classify=("in", classify),
            disabled=False,
            v_return_objs=True,
            hidden=hidden
        )
        return self.generate_values(datas)

    async def get_tab_name_values(self, tab_names: List[str], hidden: Union[bool, None] = False):
        """
        获取系统配置标签下的标签信息
        """
        model = models.VadminSystemSettingsTab
        options = [joinedload(model.settings)]
        datas = await self.get_datas(
            limit=0,
            v_options=options,
            tab_name=("in", tab_names),
            disabled=False,
            v_return_objs=True,
            hidden=hidden
        )
        return self.generate_values(datas)

    @classmethod
    def generate_values(cls, datas: List[models.VadminSystemSettingsTab]):
        """
        生成字典值
        """
        result = {}
        for tab in datas:
            tabs = {}
            for item in tab.settings:
                if not item.disabled:
                    tabs[item.config_key] = item.config_value
            result[tab.tab_name] = tabs
        return result