'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.User.User;
  }
  async beforeCreate(data) {
    const openid = _.get(data, 'openid');
    const phone = _.get(data, 'phone');
    if (!openid && phone) {
      const num = await this.model.count({ phone });
      if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '该手机号已注册');
    } else if (openid) {
      const num = await this.model.count({ openid });
      if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '该微信号已注册');
    }
    return data;
  }

  async resetPwd({ id }, { password }) {
    const data = await this.model.findById(id);
    if (!data) throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    data.password = { secret: password };
    await data.save();
  }

  /**
   * 登陆
   * @param {Object} body 登陆参数
   * @param body.phone 账户
   * @param body.password 密码
   */
  async login({ phone, password }) {
    const { populate } = this.getRefMods();
    let user = await this.model.findOne({ phone }, '+password').populate(populate);
    if (!user) throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    const { password: upwd, status } = user;
    if (status !== '0') throw new BusinessError(ErrorCode.USER_NOT_BIND, '该账号处于禁止使用状态');
    if (password !== upwd.secret) throw new BusinessError(ErrorCode.BAD_PASSWORD);
    // // 使用redis存储,后续的任何操作进行token的校验
    // await this.setUserInRedis(user);
    user = JSON.parse(JSON.stringify(user));
    delete user.password;
    delete user.meta;
    delete user.__v;
    const token = this.ctx.service.util.jwt.encrypt(user);
    return token;
  }

  /**
   * 微信登录
   * @param {Object} body 登陆参数
   * @param body.openid 微信小程序的openid
   */
  async wxLogin({ openid }) {
    const { populate } = this.getRefMods();
    const user = await this.model.findOne({ openid }).populate(populate);
    if (!user) throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    const { status } = user;
    if (status !== '0') throw new BusinessError(ErrorCode.USER_NOT_BIND, '该账号处于禁止使用状态');
    delete user.meta;
    delete user.__v;
    const token = this.ctx.service.util.jwt.encrypt(user);
    return token;
  }
}

module.exports = UserService;