'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 PersonroomService extends CrudService {
  constructor(ctx) {
    super(ctx, 'personroom');
    this.model = this.ctx.model.Personroom;
    this.tmodel = this.ctx.model.Personroomtalk;
  }

  async create(query, { buyer_id, seller_id, buyer_name, seller_name }) {
    assert(buyer_id, '缺少买家信息');
    assert(seller_id, '缺少卖家信息');
    assert(buyer_name, '缺少买家信息');
    assert(seller_name, '缺少卖家信息');
    // 先查询是否有该房间
    let res = await this.model.findOne({ buyer_id, seller_id });
    if (!res) res = await this.model.create({ buyer_id, seller_id, buyer_name, seller_name });
    // TODO MQ
    const talk = await this.tmodel.findOne({ pr_id: res.id });
    if (!talk) {
      const newdata = { pr_id: res.id, type: '0' };
      await this.tmodel.create(newdata);
    }
    // 这个地方不应该有MQ;买家在请求完房间号后订阅MQ;卖家应该在自己进入中台管理时订阅MQ,且订阅的应该是这个人是否有未读消息
    const { mq } = this.ctx;
    if (mq) {
      const exchange = 'person_room';
      const parm = {
        durable: true,
        headers: {
          room_id: res.id,
          buyer_id,
          seller_id,
        } };
      mq.topic(exchange, seller_id, '您有买家进行对接请及时查收', parm);
    }
    return res;
  }
}

module.exports = PersonroomService;