'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;
const jwt = require('jsonwebtoken');

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

  // 重写创建方法
  async create(data) {
    const { userid, openid, passwd, role_id, name, phone, type } = data;
    // console.log(data);
    assert(name && phone && passwd, '缺少部分信息项');
    assert(/^\d{11}$/i.test(phone), '无效的手机号');
    const user = await this.model.findOne({ phone });
    if (user) {
      throw new BusinessError(ErrorCode.DATA_EXISTED);
    }
    const newdata = data;
    const pas = await this.createJwtPwd(passwd);
    newdata.passwd = pas;
    const res = await this.model.create(newdata);
    return res;
  }

  // 用户修改密码
  async uppasswd(data) {
    const { userid, oldpasswd, newpasswd } = data;
    assert(userid && oldpasswd && newpasswd, '缺少部分信息项');
    // 根据用户id查询用户表中是否存在相应数据
    const user = await this.model.findById(userid, '+passwd');
    // 如果用户不存在抛出异常
    if (!user) {
      throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    }
    // 将用户输入的密码进行加密并与查询到的用户数据密码相比对
    const _oldpasswd = await this.createJwtPwd(oldpasswd);
    // 如果两个密码不一致抛出异常
    if (_oldpasswd !== user.passwd) {
      throw new BusinessError(ErrorCode.BAD_PASSWORD);
    }
    const _newpasswd = await this.createJwtPwd(newpasswd);
    user.passwd = _newpasswd;
    await user.save();
  }

  async login(data) {
    const { phone, passwd } = data;
    // 根据用户输入的手机号查询其他用户表中是否存在相应数据
    const user = await this.model.findOne({ phone });
    // 如果用户不存在抛出异常
    if (!user) {
      throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    }
    const _user = await this.model.findOne({ phone }, '+passwd');
    // 将用户输入的密码进行加密并与查询到的用户数据密码相比对
    const pas = await this.createJwtPwd(passwd);
    // 如果两个密码不一致抛出异常
    if (pas !== _user.passwd) {
      throw new BusinessError(ErrorCode.BAD_PASSWORD);
    }
    // 取出用户的类型，根据用户类型返回相应信息
    return await this.createJwt(user);
  }

  async createJwtPwd(password) {
    const { secret, expiresIn, issuer } = this.config.jwt;
    const token = await jwt.sign(password, secret);
    return token;
  }

  // 创建登录Token
  async createJwt({ id, userid, openid, role_id, name, phone, type }) {
    const { secret, expiresIn = '1d', issuer = type } = this.config.jwt;
    const subject = phone;
    const _uid = id;
    const res = { userid, uid: _uid, openid, role_id, name, phone, type };
    const token = await jwt.sign(res, secret, { expiresIn, issuer, subject });
    return token;
  }
}

module.exports = UserService;