<?php
/**
 * Created by PhpStorm.
 * User: Cibermag
 * Date: 31.08.2015
 * Time: 9:58
 */
namespace backend\components\base;

use Yii;
use yii\web\UploadedFile;
use backend\models\ImageSizerForm;
use yii\web\Controller;
use Imagine\Gd\Imagine;
use Imagine\Image\Box;
use yii\imagine\Image;

class BaseController extends Controller {

    public function beforeAction($action) {
        $this->enableCsrfValidation = false;
        return parent::beforeAction($action);
    }

    private function resizeImg($w, $h, $imageAlias,$imageAliasSave){
        $img = Image::getImagine()->open(Yii::getAlias($imageAlias));

        $size = $img->getSize();

        $width = $size->getWidth();
        $height = $size->getHeight();

        if($width > $height) {
            $y = 0;
            $x = ($width - $height) / 2;
            $smallestSide = $height;
        } else {
            $x = 0;
            $y = ($height - $width) / 2;
            $smallestSide = $width;
        }

        Image::crop($imageAlias, $smallestSide, $smallestSide,[$x,$y])
            ->save(Yii::getAlias($imageAliasSave), ['quality' =>
                100]);


        $imagine = new Imagine();
        $imagine->open($imageAliasSave)
            ->resize(new Box($w, $h))
            ->save($imageAliasSave, array('flatten' => false));


    }


    public function actionDownloadPhoto()
    {

        $model = new ImageSizerForm();

        if ($model->load(Yii::$app->request->post())) {

            $model->file = UploadedFile::getInstance($model, 'file');

            $md5_file = md5_file($model->file->tempName);

            $imgDir = Yii::getAlias('@storage/'.$md5_file.'/');

            $imageOrigAlias = Yii::getAlias($imgDir.'original'.'.'.$model->file->extension);

            if(!is_dir($imgDir)) {
                mkdir($imgDir, 0755, true);
            }

            $model->file->saveAs($imageOrigAlias);

            if($model->width && $model->height){

                $imageAlias = Yii::getAlias($imgDir.$model->width.'x'.$model->height.'.'.$model->file->extension);

                $imageLink = '/storage/'.$md5_file.'/'.$model->width.'x'.$model->height.'.'.$model->file->extension;

                $this->resizeImg($model->width, $model->height, $imageOrigAlias,$imageAlias);

            } else {

                $imageLink = $imageOrigAlias;

            }

            if($model->multi){

                return json_encode(['link'=>$imageLink]);

            } else {
                $view = $this->renderPartial('@app/components/views/_gallery_item', [
                    'item' => ['image'=>$imageLink],
                ]);

                return json_encode(['link'=>$imageLink, 'view' =>$view]);
            }


        }
    }

}