<?php

namespace backend\controllers;

use Yii;
use backend\models\Product;
use backend\models\ProductSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use kartik\widgets\FileInput;
use backend\models\ImagesManager;
use yii\web\MethodNotAllowedHttpException;

/**
 * ProductController implements the CRUD actions for Product model.
 */
class ProductController extends Controller
{
    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['POST'],
                    'delete-image' => ['POST'],
                    'sort-image' => ['POST'],
                ],
            ],
        ];
    }

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

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

    /**
     * Displays a single Product model.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
        ]);
    }

    /**
     * Creates a new Product model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {

        $model = new Product();

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
           return $this->redirect(['update', 'id' => $model->id]);
        }
        return $this->render('create', [
            'model' => $model,
            'images' => [],
        ]);
    }

    /**
     * Updates an existing Product model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);

      /*  $images = ImagesManager::find()->where(['product_id' => $id])->all();
\yii\helpers\VarDumper::dump($images,10,true);exit;*/


        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect(['view', 'id' => $model->id]);
        }
        return $this->render('update', [
            'model' => $model,
            'images' => ImagesManager::find()->where(['product_id' => $id])->all(),
        ]);
    }

    /**
     * Deletes an existing Product model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionDelete($id)
    {
        $this->findModel($id)->delete();

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

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

        throw new NotFoundHttpException('The requested page does not exist.');
    }

    public function actionDeleteImage()
    {
        if(($model = ImagesManager::findOne(Yii::$app->request->post('key'))
    ) and $model->delete()){
            return true;
        }else{
            throw new NotFoundHttpException('Ошибка');
        }
    }

    public function actionSortImage($id){

        if(Yii::$app->request->isAjax) {
        $post = Yii::$app->request->post('sort');
        if($post['oldIndex'] > $post['newIndex']){
            $param = ['and',['>=','sort',$post['newIndex']],['<','sort',$post['oldIndex']]];
            $counter = 1;
        }else{
            $param = ['and',['<=','sort',$post['newIndex']],['>','sort',$post['oldIndex']]];
            $counter = -1;
        }
        ImagesManager::updateAllCounters(['sort'=>$counter], ['and',['class'=>'product','product_id'=>$id],$param]);
        ImagesManager::updateAll(['sort' => $post['newIndex']], ['id' => $post['stack'][$post['newIndex']]['key']]);
        return true;
        }
throw new MethodNotAllowedHttpException();
    }}