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

// 车奖
class Car_showService extends CrudService {
  constructor(ctx) {
    super(ctx);
    this.record = this.ctx.model.Record;
    this.model = this.ctx.model.Card;
    /**
     * @constant Number 车奖的积分 default:131419
     */
    this.car_point = 131419;
    /**
     * @constant Number 车奖的等级界限,前x级不是能获得车奖 default:4
     */
    this.car_show_limit_level = 4;
    /**
     * @constant Number 车奖的B梯队等级界限 default:4
     */
    this.car_show_b_limit_level = 4;
    /**
     * @constant Number 车奖的B梯队等级界限的人数 default:5
     */
    this.car_show_b_limit_person = 5;
  }

  /**
   * 检查用户是否符合车奖条件
   * @param {String} {id} 用户id
   */
  async checkUser({ id }) {
    assert(id, '缺少用户信息');
    const user = await this.model.findById(id);
    if (!user) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户信息');
    const { car_show, mobile, level } = user;
    if (car_show) throw new BusinessError(ErrorCode.BUSINESS, '您已领取车奖,不能重复领取');
    if (level < this.car_show_limit_level) throw new BusinessError(ErrorCode.BUSINESS, '未到达领取车奖等级');
    const b = await this.model.count({ r_mobile: mobile, level: { $gte: this.car_show_b_limit_level } });
    if (b < this.car_show_b_limit_person) throw new BusinessError(ErrorCode.BUSINESS, '该用户下满足条件的人数少于5人');
    return true;
  }

  /**
   * 用户领取车奖
   * @param {String} {id} 用户id
   */
  async getCarShow({ id }) {
    assert(id, '缺少用户信息');
    const r = await this.checkUser({ id });
    if (!r) throw new BusinessError(ErrorCode.BUSINESS, '用户不满足车奖要求');
    const user = await this.model.findById(id);
    user.car_show = true;
    user.points = user.points + this.car_point;
    await user.save();
    // 添加积分记录
    const record = _.pick(user, [ 'mobile', 'name' ]);
    record.points = this.car_point;
    record.opera = '2';
    try {
      await this.record.create(record);
    } catch (error) {
      this.logger.error(`line-202-积分记录添加失败${JSON.stringify(record)}`);
    }
  }
}

module.exports = Car_showService;