'use strict';

const Service = require('egg').Service;
const assert = require('assert');
const moment = require('moment');
// const _ = require('lodash');
class ColumnService extends Service {
  async create({ name, code, menuList }) {
    assert(name, '名称不存在');
    assert(code, '编码不存在');
    const { Column: model } = this.ctx.model;
    const createAt = moment().format('x');
    try {
      await model.create({ name, code, menuList, createAt });
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '添加失败' });
    }
  }
  async update({ name, code, _id, menuList }) {
    assert(_id, 'id不存在');
    const { Column: model } = this.ctx.model;
    try {
      await model.findById(_id).update({ name, code, menuList });
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '修改失败' });
    }
  }
  async del({ id }) {
    assert(id, 'id不存在');
    const { Column: model } = this.ctx.model;
    const { Content: Contentmodel } = this.ctx.model;
    try {
      // 当前数据
      const res = await model.findById(id);
      // 复杂查询文章数据
      const contentList = await Contentmodel.where('columnList').in(res.code);
      contentList.filter(async p => {
        const columnList = p.columnList.filter(e => e !== res.code);
        await Contentmodel.findByIdAndUpdate(p._id, { columnList });
      });
      await model.findByIdAndDelete(id);
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '删除失败' });
    }
  }
  async menuquery({ code }) {
    const { Column: model } = this.ctx.model;

    try {
      const res = await model.where('menuList').in(code);
      return { errmsg: '', errcode: 0, data: res };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '查询失败' });
    }
  }
  async usercolumnquery() {
    const { Column: model } = this.ctx.model;
    const { AdminUser: Usermodel } = this.ctx.model;
    try {
      const str = this.ctx.request.header.authorization;
      const token = str.substring(7);
      const decode = this.ctx.app.jwt.verify(token, this.app.config.jwt.secret);
      const columnList = [];
      const res = await Usermodel.find({ acct: decode.acct });
      if (res.length > 0) {
        const usercolumnList = res[0].columnList;
        if (usercolumnList.length > 0) {
          for (let i = 0; i < usercolumnList.length; i++) {
            const item = await model.find({ code: usercolumnList[i] });
            columnList.push(item[0]);
          }
        }
      }
      return { errmsg: '', errcode: 0, data: columnList };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '查询失败' });
    }
  }
  async query({ skip, limit, name, code }) {
    const { Column: model } = this.ctx.model;
    const filter = {};
    if (name) filter.name = name;
    if (code) filter.code = code;
    try {
      let res;
      const total = await model.find();
      if (skip && limit) {
        res = await model.find({ ...filter }).skip(Number(skip) * Number(limit)).limit(Number(limit));
      } else {
        res = await model.find({ ...filter });
      }
      return { errmsg: '', errcode: 0, data: res, total: total.length };
    } catch (error) {
      console.log(error, 111);
      throw new Error({ errcode: -2001, errmsg: '查询失败' });
    }
  }
}

module.exports = ColumnService;