<?php
namespace Cadoles\CoreBundle\EventListener;

use Doctrine\Common\Persistence\ObjectManager;
use Oneup\UploaderBundle\Event\PostPersistEvent;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;

class uploadListener
{
    /**
     * @var ObjectManager
     */
    private $om;

    public function __construct(ObjectManager $om, TokenStorageInterface $token_storage)
    {
        $this->om = $om;
        $this->token_storage = $token_storage;
    }

    protected function getHeight($image) {
        $size = getimagesize($image);
        $height = $size[1];
        return $height;
    }

    // Cacul de la largeur
    protected function getWidth($image) {
        $size = getimagesize($image);
        $width = $size[0];
        return $width;
    }

    protected function resizeImage($image,$width,$height,$scale) {
        list($imagewidth, $imageheight, $imageType) = getimagesize($image);
        $imageType = image_type_to_mime_type($imageType);
        $newImageWidth = ceil($width * $scale);
        $newImageHeight = ceil($height * $scale);
        $newImage = imagecreatetruecolor($newImageWidth,$newImageHeight);
        switch($imageType) {
            case "image/gif":
                $source=imagecreatefromgif($image);
                break;
            case "image/pjpeg":
            case "image/jpeg":
            case "image/jpg":
                $source=imagecreatefromjpeg($image);
                break;
            case "image/png":
            case "image/x-png":
                $source=imagecreatefrompng($image);
                break;
        }

        $newImage = imagecreatetruecolor( $newImageWidth, $newImageHeight );
        imagealphablending( $newImage, false );
        imagesavealpha( $newImage, true );
        imagecopyresampled($newImage,$source,0,0,0,0,$newImageWidth,$newImageHeight,$width,$height);

        switch($imageType) {
            case "image/gif":
                imagegif($newImage,$image);
                break;
            case "image/pjpeg":
            case "image/jpeg":
            case "image/jpg":
                imagejpeg($newImage,$image,90);
                break;
            case "image/png":
            case "image/x-png":
                imagepng($newImage,$image);
                break;
        }

        chmod($image, 0640);
        return $image;
    }

    public function onUpload(PostPersistEvent $event)
    {
        $type=$event->getType();
        switch($type) {
            case "avatar":
                $file=$event->getFile();
                $filename=$file->getFilename();
                $session = new Session();
                $session->set('uploadavatar', $filename);
            break;
            case "file":
                $file=$event->getFile();
                $filename=$file->getFilename();
                $pathname=$file->getPath();

                // Déplacer le fichier dans la cible
                $request = $event->getRequest();
                $directory = $request->get('directory');
                $file->move($pathname."/".$directory, $filename);

                // Création d'un thumb dans le cas d'un fichier de type imapge
                if (in_array(strtolower($file->GetExtension()), array('jpg', 'jpeg', 'jpe', 'png', 'gif', 'bmp'))) {
                    $fs = new Filesystem();
                    $fs->copy($pathname."/".$directory."/".$filename,$pathname."/".$directory."/thumb/".$filename);
                    $max_width=350;
                    $width = $this->getWidth($pathname."/".$directory."/thumb/".$filename);
                    $height = $this->getHeight($pathname."/".$directory."/thumb/".$filename);                    
                    $scale = $max_width/$width;
                    $this->resizeImage($pathname."/".$directory."/thumb/".$filename,$width,$height,$scale);
                }

                $response = $event->getResponse();
                $response['file'] = $filename;


            break;

            case "blogarticle":
                $file=$event->getFile();
                $filename=$file->getFilename();
                $pathname=$file->getPath();

                // Creation d'un thumb
                $fs = new Filesystem();
                $fs->copy($pathname."/".$filename,$pathname."/thumb-".$filename);
                $max_width=350;
                $width = $this->getWidth($pathname."/thumb-".$filename);
                $height = $this->getHeight($pathname."/thumb-".$filename);                    
                $scale = $max_width/$width;
                $this->resizeImage($pathname."/thumb-".$filename,$width,$height,$scale);

                $response = $event->getResponse();
                $response['file'] = $filename;                
            break;

            default:
                $file=$event->getFile();
                $filename=$file->getFilename();
                $response = $event->getResponse();
                $response['file'] = $filename;
            break;            
        }
    }
}