<?php

namespace backend\controllers;
use common\models\Language;
use backend\models\MessageLang;
use Yii;
use backend\models\Message;
use app\models\MessageSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\data\ActiveDataProvider;
/**
 * MessageController implements the CRUD actions for Message model.
 */
class MessageController extends Controller
{
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['post'],
                ],
            ],
        ];
    }

    /**
     * Lists all Message models.
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new MessageSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

        return $this->render('index', [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }

    /**
     * Displays a single Message model.
     * @param integer $id
     * @return mixed
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
            'model_lang'=>$model_lang = MessageLang::findOne(['message_id'=>$id])
        ]);
    }

    /**
     * Creates a new Message model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $message_langs = array();
        $message = new Message();
        $images = array();
        $message->loadDefaultValues();
        $langs = Language::getActiveLanguages();
        $default_lang = Language::getDefaultLang();
        $isValid = false;

        if(!empty(\Yii::$app->request->post()))
            {

            $isValid = true;
            $message->load(\Yii::$app->request->post());
            $isValid = $message->validate();
            if(empty(\Yii::$app->request->post()['MessageLang']))
            {

                $message_langs[$default_lang->language_id] = new MessageLang();
                $isValid  = MessageLang::validateMultiple($message_langs) && $isValid;
            }
            else
            {
                foreach(\Yii::$app->request->post()['MessageLang'] as $index => $message_lang) {
                    $message_langs[$index] = new MessageLang();
                }
                MessageLang::loadMultiple($message_langs, \Yii::$app->request->post());
               // $isValid = MessageLang::validateMultiple($message_langs) && $isValid;
            }
        }
        else
        {
            $message_langs[$default_lang->language_id] = new MessageLang();
        }
        if($isValid)
        {
            $message->save();
            $first = 1;
            foreach($message_langs as $message_lang) {
                $message_lang->message_id=$message->id;
                $message_lang->save();
            }
            $this->redirect('index');
        }
        else
        {
            return $this->render('create', [
                'message_langs' => $message_langs,
                'message' => $message,
                'langs' => $langs,
            ]);
        }
    }

    /**
     * Updates an existing Message model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $message = $this->findModel($id);
        $message_langs=$message->getMessageLangs()->where(['>=', 'lang_id', '1'])->indexBy('lang_id')->all();
        $langs = Language::getActiveLanguages();
        $default_lang = Language::getDefaultLang();
        $isValid = false;
        $post=\Yii::$app->request->post();
        if(!empty($post))
        {
            $message->load($post);
            $isValid = $message->validate();
        }
        if(empty($post['MessageLang']))
        {
            $isValid  = MessageLang::validateMultiple($message_langs) && $isValid;
        }
        else
        {
            foreach($post['MessageLang'] as $index => $message_lang)
            {
                if (!array_key_exists($index, $message_langs))
                {
                    $message_langs[$index] = new MessageLang();
                    $message_langs[$index]->message_id = $message->id;
                }
            }
            MessageLang::loadMultiple($message_langs,$post);
        }
        if($isValid)
        {
            $message->save();
            $first = 1;
            foreach($message_langs as $message_lang) {
                $message_lang->message_id=$message->id;
                $message_lang->save();
            }
            $this->redirect('index');
        }
        else
        {
            return $this->render('update', [
                'message_langs' => $message_langs,
                'message' => $message,
                'langs' => $langs,
            ]);
        }
    }

    /**
     * Deletes an existing Message model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     */
    public function actionDelete($id)
    {
        foreach(MessageLang::findAll(['message_id'=>$id])as $message_lang)
        {
            $message_lang->delete();
        }

        $this->findModel($id)->delete();
        return $this->redirect(['index']);
    }

    /**
     * Finds the Message model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return Message the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($model = Message::findOne($id)) !== null) {
            return $model;
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
}