const db = require('../config/db');
const getNowFormatTime = require('../util/time-processer');
const User = db.import('../schema/user.js');
const seq = require('sequelize');
const Op = seq.Op;

User.sync();

class UserModel {
    /**
     * 按手机号码查询
     * @param phone
     * @returns {Promise.<*>}
     */
    static async findByPhone(phone){
        return User.findOne({
            where: {phone:phone}
        });
    }


    /**
     * 创建用户
     * @param name 昵称
     * @param password 密码
     * @param phone 手机号码
     * @returns {Promise.<*>}
     */
    static async create(name, password, phone, email ){
        let user = await User.findOne({
            where: {phone:phone}
        });
        if(user){
            return {code: -2};
        }
      user = await User.findOne({
        where: {name:name}
      });
      if(user){
        return {code: -1};
      }
        user = await User.create({name: name, password: password, phone: phone, email: email, createdTime: getNowFormatTime()});
        return {code: 0, data: user};
    }

  static async findByUid(id){
    return User.findOne({
      where: {id:id}
    });
  }

  static async updateName(id, newName){
    let user = await User.findOne({
      where: {name: newName}
    });
    if(user){
      return {code: -1};
    }

    await User.update({name: newName}, {where: {id: id}});
    return {code: 0};
  }

  static async updateEmail(id, newEmail){
    await User.update({email: newEmail}, {where: {id: id}});
    return {code: 0};
  }

  static async updateSignature(id, newSignature){
    await User.update({signature: newSignature}, {where: {id: id}});
    return {code: 0};
  }

  static async identifyTeacher(uid){
    await User.update({role: 'TEACHER'}, {where: {id: uid}});
    return true;
  }

  static async resetPassword(phone, newPassword){
    let result = await User.update({password: newPassword}, {where: {phone: phone}});
    return true;
  }

  static async getUsers(){
    return User.findAll({
      where: {role: {[Op.ne]: 'ADMIN'}}
    });
  }

  static async updateIsValid(id, isValid){
    await User.update({isValid: isValid}, {where: {id: id}});
    return true;
  }
}

module.exports = UserModel;