'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;
    this.smodel = this.ctx.model.Staff;
    this.emodel = this.ctx.model.Expert;
  }

  // 重写创建方法
  async register(data) {
    console.log(data);
    assert(data.name && data.phone && data.passwd, '缺少部分信息项');
    assert(/^\d{11}$/i.test(data.phone), '无效的手机号');
    const user = await this.model.findOne({ phone: data.phone });
    if (user) {
      throw new BusinessError(ErrorCode.DATA_EXISTED);
    }
    const newdata = _.cloneDeep(data);
    const pas = await this.createJwtPwd(data.passwd);
    newdata.passwd = pas;
    let result = {};
    if (data.type === '0' || data.type === '1') {
      result = await this.smodel.create(data);
    }
    if (data.type === '2') {
      result = await this.emodel.create(data);
    }
    newdata.userid = result.id;
    const res = await this.model.create(newdata);
    return res;
  }

  async update({ id }, data) {
    const user = await this.model.findById(id);
    const { userid, openid, role_id, name, phone, type } = data;
    if (userid) {
      user.userid = userid;
    }
    if (openid) {
      user.openid = openid;
    }
    if (role_id) {
      user.role_id = role_id;
    }
    if (name) {
      if (user.type === '0' || user.type === '1') {
        const staff = await this.smodel.findById(user.userid);
        staff.name = name;
        await staff.save();
      }
      if (user.type === '2') {
        const expert = await this.emodel.findById(user.userid);
        expert.name = name;
        await expert.save();
      }
      user.name = name;
    }
    if (phone) {
      const _user = await this.model.find({ phone });
      if (_.isEqual(_user.length, 0) || (_.isEqual(_user.length, 1) && _.isEqual(_user[0].id, user.id))) {
        if (user.type === '0' || user.type === '1') {
          const staff = await this.smodel.findById(user.userid);
          staff.phone = phone;
          await staff.save();
        }
        if (user.type === '2') {
          const expert = await this.emodel.findById(user.userid);
          expert.phone = phone;
          await expert.save();
        }
        user.phone = phone;
      } else {
        throw new BusinessError(ErrorCode.DATA_EXISTED);
      }
    }
    if (type) {
      user.type = type;
    }
    const res = await user.save();
    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;