<?php

namespace app\models\forms;

use Yii;
use yii\base\Model;
use app\models\Members;
use app\models\MembersRestrictedIps;

class LoginForm extends Model {

    public $username;
    public $password;
    public $rememberMe = true;
    private $_user = false;

    public function rules() {
        return [
            [['username', 'password'], 'required'],
            ['rememberMe', 'boolean'],
            ['password', 'validatePassword'],
        ];
    }

    public function attributeLabels() {
        return [
            'username' => Yii::t('app', 'Потребителско име'),
            'password' => Yii::t('app', 'Парола'),
            'rememberMe' => Yii::t('app', 'Запомни ме')
        ];
    }

    public function validatePassword($attribute, $params) {
        if (!$this->hasErrors()) {
            $user = $this->getMember();
            if (!$user || !$user->validatePassword($this->password)) {
                $this->addError($attribute, 'Невалидно потребителско име или парола.');
            }
        }
    }

    public function login() {
        $restrictedIps = new MembersRestrictedIps();
        if ($this->validate() && $restrictedIps->getRestrictedIps(['member_id' => $this->getMember()->member_id, 'ip_address' => ip2long(Yii::$app->request->userIP)])->count() == 0) {
            return Yii::$app->user->login($this->getMember(), $this->rememberMe ? 3600 * 24 * 30 : 0);
        } else {
            return false;
        }
    }

    public function getMember() {
        if ($this->_user === false) {
            $this->_user = Members::findByUsername($this->username);
        }

        return $this->_user;
    }

}