'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 LoginService extends CrudService {
  constructor(ctx) {
    super(ctx, 'login');
    this.uModel = this.ctx.model.User;
    this.stuModel = this.ctx.model.Student;
    this.tModel = this.ctx.model.Teacher;
    this.schModel = this.ctx.model.School;
    this.hModel = this.ctx.model.Headteacher;
  }

  async login(data) {
    const { mobile, passwd } = data;
    assert(mobile, 'mobile不能为空');
    // assert(/^\d{11}$/i.test(mobile), 'mobile无效');
    assert(passwd, 'passwd不能为空');
    const res = await this.uModel.findOne({ mobile }, '+passwd');
    if (!res) {
      throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    }
    // 验证密码
    console.log(res.passwd.secret);
    console.log(passwd);
    if (res.passwd.secret !== passwd) {
      throw new BusinessError(ErrorCode.BAD_PASSWORD);
    }
    return await this.createJwt(res);
  }

  // 创建登录Token
  async createJwt({ _id, name, mobile, openid, type, uid }) {
    const { secret, expiresIn = '1d', issuer = type } = this.config.jwt;
    const subject = mobile;
    let _userid = '';
    let res = {};
    if (type === '0') {
      _userid = _id.toString();
    } else if (type === '1') {
      _userid = uid.toString();
      res = await this.hModel.findById(_userid);
    } else if (type === '2') {
      _userid = uid.toString();
      res = await this.schModel.findById(_userid);
    } else if (type === '3') {
      _userid = uid.toString();
      res = await this.tModel.findById(_userid);
    } else if (type === '4') {
      _userid = uid.toString();
      res = await this.stuModel.findById(_userid);
    }
    const newdata = { userid: _userid, ...res, openid, type };
    const token = await jwt.sign(newdata, secret, { expiresIn, issuer, subject });
    return token;
  }

  async wxlogin(data) {
    const { openid } = data;
    assert(openid, 'openid不能为空');
    const res = await this.uModel.findOne({ openid });
    let newdata = {};
    if (!res) {
      throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    } else {
      newdata = { id: res.id, name: res.name, openid: res.openid, type: res.type };
    }
    return await newdata;
  }
}
module.exports = LoginService;