<?php
    namespace frontend\controllers;
    
    use artbox\core\models\Feedback;
    use common\models\Settings;
    use Yii;
    use yii\base\InvalidParamException;
    use yii\web\BadRequestHttpException;
    use yii\web\Controller;
    use yii\filters\VerbFilter;
    use common\models\LoginForm;
    use frontend\models\PasswordResetRequestForm;
    use frontend\models\ResetPasswordForm;
    use frontend\models\SignupForm;
    use yii\web\Response;
    
    /**
     * Site controller
     */
    class SiteController extends Controller
    {
        /**
         * @inheritdoc
         */
        public function actions()
        {
            return [
                'error' => [
                    'class' => 'yii\web\ErrorAction',
                ],
            ];
        }
        
        /**
         * @inheritdoc
         */
        public function behaviors()
        {
            return [
                'verbs' => [
                    'class'   => VerbFilter::className(),
                    'actions' => [
                        'feedback' => [ 'post' ],
                    ],
                ],
            ];
        }
        
        /**
         * Displays homepage.
         *
         * @return mixed
         */
        public function actionIndex()
        {
            return $this->render('index');
        }
        
        /**
         * Logs in a user.
         *
         * @return mixed
         */
        public function actionLogin()
        {
            if (!Yii::$app->user->isGuest) {
                return $this->goHome();
            }
            
            $model = new LoginForm();
            if ($model->load(Yii::$app->request->post()) && $model->login()) {
                return $this->goBack();
            } else {
                return $this->render(
                    'login',
                    [
                        'model' => $model,
                    ]
                );
            }
        }
        
        /**
         * Logs out the current user.
         *
         * @return mixed
         */
        public function actionLogout()
        {
            Yii::$app->user->logout();
            
            return $this->goHome();
        }
        
        /**
         * Displays contact page.
         *
         * @return mixed
         */
        public function actionContact()
        {
            $contact = new Feedback();
            return $this->render(
                'contact',
                [
                    'contact' => $contact,
                ]
            );
        }
        
        /**
         * Displays about page.
         *
         * @return mixed
         */
        public function actionAbout()
        {
            return $this->render('about');
        }
        
        /**
         * Signs user up.
         *
         * @return mixed
         */
        public function actionSignup()
        {
            $model = new SignupForm();
            if ($model->load(Yii::$app->request->post())) {
                if ($user = $model->signup()) {
                    if (Yii::$app->getUser()
                                 ->login($user)
                    ) {
                        return $this->goHome();
                    }
                }
            }
            
            return $this->render(
                'signup',
                [
                    'model' => $model,
                ]
            );
        }
        
        /**
         * Requests password reset.
         *
         * @return mixed
         */
        public function actionRequestPasswordReset()
        {
            $model = new PasswordResetRequestForm();
            if ($model->load(Yii::$app->request->post()) && $model->validate()) {
                if ($model->sendEmail()) {
                    Yii::$app->session->setFlash('success', 'Check your email for further instructions.');
                    
                    return $this->goHome();
                } else {
                    Yii::$app->session->setFlash(
                        'error',
                        'Sorry, we are unable to reset password for the provided email address.'
                    );
                }
            }
            
            return $this->render(
                'requestPasswordResetToken',
                [
                    'model' => $model,
                ]
            );
        }
        
        /**
         * Resets password.
         *
         * @param string $token
         *
         * @return mixed
         * @throws BadRequestHttpException
         */
        public function actionResetPassword($token)
        {
            try {
                $model = new ResetPasswordForm($token);
            } catch (InvalidParamException $e) {
                throw new BadRequestHttpException($e->getMessage());
            }
            
            if ($model->load(Yii::$app->request->post()) && $model->validate() && $model->resetPassword()) {
                Yii::$app->session->setFlash('success', 'New password saved.');
                
                return $this->goHome();
            }
            
            return $this->render(
                'resetPassword',
                [
                    'model' => $model,
                ]
            );
        }
        
        /**
         * Action to view robots.txt file dinamycli
         *
         * @return string
         */
        public function actionRobots()
        {
            $response = \Yii::$app->response;
            /**
             * @var Settings $settings
             */
            $settings = Settings::find()
                                ->one();
            $temp = tmpfile();
            fwrite($temp, $settings->robots);
            $meta = stream_get_meta_data($temp);
            $response->format = $response::FORMAT_RAW;
            $response->headers->set('Content-Type', 'text/plain');
            return $this->renderFile($meta[ 'uri' ]);
        }
        
        public function actionFeedback()
        {
            Yii::$app->response->format = Response::FORMAT_JSON;
            if (empty( Yii::$app->request->post() )) {
                throw new BadRequestHttpException();
            } else {
                $model = new Feedback();
                if ($model->load(Yii::$app->request->post()) && $model->save()) {
                    return [
                        'success' => true,
                        'message' => 'Success message',
                    ];
                } else {
                    return [
                        'success' => false,
                        'error'   => $model->errors,
                    ];
                }
            }
        }
    }