<?php

namespace backend\controllers;

use common\auth\Identity;
use core\services\auth\AuthService;
use Yii;
use yii\web\Controller;
use yii\filters\VerbFilter;
use core\forms\auth\LoginForm;
use yii\filters\AccessControl;
use DomainException;

class AuthController extends Controller
{
    private $_auth_service;

    public function __construct($id, $module, AuthService $service, $config = [])
    {
        parent::__construct($id, $module, $config);
        $this->_auth_service = $service;
    }

    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::class,
                'rules' => [
                    [
                        'actions' => ['login'],
                        'allow'   => true,
                        'roles'   => ['?'],
                    ],
                    [
                        'actions' => ['logout'],
                        'allow'   => true,
                        'roles'   => ['@'],
                    ],
                    [    // all the action are accessible to admin
                        'allow' => true,
                        'roles' => ['admin'],
                    ],
                ],
            ],
            'verbs'  => [
                'class'   => VerbFilter::class,
                'actions' => [
                    'logout' => ['post'],
                ],
            ],
        ];
    }

    /**
     * @return mixed
     */
    public function actionLogin()
    {
        if (!Yii::$app->user->isGuest) {
            return $this->goHome();
        }

        $this->layout = 'main-login';

        $form = new LoginForm();
        if ($form->load(Yii::$app->request->post()) && $form->validate()) {
            try {
                $user = $this->_auth_service->auth($form);
                Yii::$app->user->login(new Identity($user), $form->rememberMe ? 3600 * 24 * 30 : 0);

                return $this->goBack();
            } catch (DomainException $e) {
                Yii::$app->errorHandler->logException($e);
                Yii::$app->session->setFlash('error', $e->getMessage());
            }
        }

        return $this->render('login', [
            'model' => $form,
        ]);
    }

    /**
     * @return mixed
     */
    public function actionLogout()
    {
        Yii::$app->user->logout();

        return $this->goHome();
    }
}