'use strict';

const Service = require('egg').Service;
const assert = require('assert');
const moment = require('moment');
const crypto = require('crypto');
class adminUserService extends Service {
  async create({ acct, password, userName, phone, state, roleList }) {
    assert(acct, '帐号不存在');
    assert(password, '密码不存在');
    assert(userName, '用户名不存在');
    assert(state, '状态不存在');
    const { AdminUser: model } = this.ctx.model;
    const user = await model.find({ acct });
    if (user.length > 0) return { errmsg: '帐号已存在', errcode: -2001 };
    const createAt = moment().format('x');
    const hash = crypto.createHmac('sha256', this.app.config.userSecret);
    const pwa = hash.update(password).digest('hex');
    try {
      const res = await model.create({ acct, password: pwa, userName, phone, createAt, state, roleList });
      return { errmsg: '', errcode: 0, res };
    } catch (error) {
      console.log(error);
      throw new Error({ errcode: -2001, errmsg: '添加失败' });
    }
  }
  async update({ userName, phone, _id, roleList, state }) {
    assert(_id, 'id不存在');
    const { AdminUser: model } = this.ctx.model;
    try {
      await model.findById(_id).update({ userName, phone, roleList, state });
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      console.log(error);
      throw new Error({ errcode: -2001, errmsg: '修改失败' });
    }
  }
  async pwdUpdate({ password, _id, confirmPwd }) {
    assert(_id, 'id不存在');
    const { AdminUser: model } = this.ctx.model;
    const hash = crypto.createHmac('sha256', this.app.config.userSecret);
    const cpwd = hash.update(confirmPwd).digest('hex');
    try {
      const res = await model.findById(_id);
      if (res.password !== cpwd) {
        return { errmsg: '原密码错误', errcode: -2003 };
      }
      const hash = crypto.createHmac('sha256', this.app.config.userSecret);
      const pwd = hash.update(password).digest('hex');
      await model.findByIdAndUpdate(_id, { password: pwd });
      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 { AdminUser: model } = this.ctx.model;
    try {
      await model.findById(id).remove();
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '删除失败' });
    }
  }
  async query({ skip, limit, userName, state, acct }) {
    const { AdminUser: model } = this.ctx.model;
    const filter = {};
    if (userName) filter.userName = userName;
    if (state) filter.state = state;
    if (acct) filter.acct = acct;
    try {
      let res;
      const total = await model.find({ ...filter });
      if (skip && limit) {
        res = await model.find({ ...filter }, { password: false }).skip(Number(skip) * Number(limit)).limit(Number(limit));
      } else {
        res = await model.find({ ...filter }, { password: false });
      }
      return { errmsg: '', errcode: 0, data: res, total: total.length };
    } catch (error) {
      throw new Error({ errcode: -2001, errmsg: '查询失败' });
    }
  }
}

module.exports = adminUserService;