'use strict';


const assert = require('assert');
const _ = require('lodash');
const { ObjectId } = require('mongoose').Types;
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;

class ChannelService extends CrudService {
  constructor(ctx) {
    super(ctx, 'channel');
    this.model = this.ctx.model.Channel;
  }
  async create(data) {
    const { user_id, title, orgin, type } = data;
    assert(user_id, '缺少创建人信息');
    assert(title, '缺少标题');
    assert(orgin, '缺少来源');
    assert(type, '缺少类别');
    const last = await this.model.findOne().sort({ room_id: -1 });
    if (last) {
      const { room_id } = last;
      if (parseInt(room_id)) data.room_id = `${parseInt(room_id) + 1}`;
      else data.room_id = `${room_id}1`;
    } else {
      data.room_id = '2001';
    }
    data.passwd = { secret: data.room_id };
    let res = await this.model.create(data);
    if (res) {
      res = JSON.parse(JSON.stringify(res));
      res.passwd = data.room_id;
      console.log(res);
    }
    return res;
  }

  async login(data) {
    const { room_id, passwd } = data;
    assert(room_id, '请填写房间号');
    assert(passwd, '请填写密码');
    let channel = await this.model.findOne({ room_id }, '+passwd');
    if (!channel) throw new BusinessError(ErrorCode.USER_NOT_EXIST, '房间号不存在');
    const secret = _.get(channel, 'passwd.secret');
    if (!secret) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '房间号密码缺失');
    if (passwd === secret) {
      channel = JSON.parse(JSON.stringify(channel));
      channel = _.omit(channel, [ 'passwd' ]);
      return channel;
    } throw new BusinessError(ErrorCode.BAD_PASSWORD, '密码错误');
  }
}

module.exports = ChannelService;