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

//
class UserService extends CrudService {
  constructor(ctx) {
    super(ctx, 'user');
    this.model = this.ctx.model.Race.User;
    this.baseUserModel = this.ctx.model.Base.User;
    this.baseCoachModel = this.ctx.model.Base.Coach;
  }

  async login({ openid }) {
    const num = await this.model.count({ openid });
    if (num <= 0) {
      // 去找基础库找用户,然后将信息拿来
      const user = await this.baseUserModel.findOne({ openid });
      if (!user) throw new BusinessError(ErrorCode.USER_NOT_EXIST, '用户不存在,无法进入比赛系统');
      const { _id: user_id, type } = user;
      const obj = { openid, user_id };
      if (type === '0' || type === '3' || type === '2') obj.type = '0';
      else obj.type = type;
      await this.create(obj);
    }
    const list = await this.query({ openid });
    return _.head(list);
  }

  async beforeCreate(body) {
    const { openid, user_id } = body;
    const num = await this.model.count({ openid, user_id });
    if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '比赛模块已有该用户信息');
    return body;
  }
  /**
   * 根据传来的数据,以openid为唯一条件进行查询,如果有用户,则覆盖.没有用户则创建
   * @param {Object} body 参数体
   */
  async bindJudge(body) {
    const { openid } = body;
    const num = await this.model.count({ openid });
    if (num > 0) await this.model.update({ openid }, body);
    else await this.model.create(body);
    return await this.model.findOne({ openid });
  }

  // 教练成为裁判
  async coachToBeJudge({ coach_id, parent_id }) {
    const coach = await this.baseCoachModel.findById(coach_id);
    if (!coach) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到教练信息');
    const { user_id } = coach;
    // user_id: 基础模块 的 用户表 数据id
    return await this.userToBeJudge({ user_id, parent_id });
  }

  // 用户成为裁判
  async userToBeJudge({ user_id, parent_id }) {
    assert(user_id, '缺少裁判用户信息');
    assert(parent_id, '缺少赛事创建方信息');
    const user = await this.baseUserModel.findById(user_id);
    if (!user) throw new BusinessError(ErrorCode.USER_NOT_EXIST, '未找到基础模块用户信息');
    const { openid } = user;
    const obj = { user_id, parent_id, type: '2', openid };
    return this.bindJudge(obj);
  }
}

module.exports = UserService;