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

// 管理员
class UserService extends CrudService {
  constructor(ctx) {
    super(ctx, 'user');
    this.model = this.ctx.model.User;
  }

  async init() {
    const count = await this.model.count({ login_id: 'admin' });
    if (count <= 0) {
      const data = {
        name: '管理员',
        login_id: 'admin',
        password: { secret: '123456' },
      };
      await this.model.create(data);
    }

  }

  /**
   * 管理员登陆
   * @param {Object} params 登陆信息
   * @property login_id code或者是phone
   * @property password 密码
   */
  async login({ login_id, password }) {
    const object = await this.model.findOne({ login_id }, '+password');
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    const { password: op } = object;
    const { secret } = op;
    if (secret !== password) throw new BusinessError(ErrorCode.BAD_PASSWORD, '密码错误');
    const data = _.omit(JSON.parse(JSON.stringify(object)), [ 'meta', 'password', '__v' ]);
    const { secret: secrets } = this.config.jwt;
    const token = jwt.sign(data, secrets);
    return token;
  }

}

module.exports = UserService;