<?php
namespace App\Http\Controllers;

use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Storage;
use Illuminate\Http\Request;
use App\Media;
use App\Http\Traits\MediaTools;


class UploadController extends Controller {

	use MediaTools;

	public function index()
	{
		return view('upload.show');
	}

	public function storeMedia(Request $request)
	{
		$uid = $request->input('uid');
		$sujet_id = $request->input('sujet_id');
		$dossier_id = $request->input('dossier_id');
		if($dossier_id == 0) $dossier_id = null;

		$headers = $request->headers->all();
		$acceptFileTypes = array('gif','jpeg', 'jpg','png','mp4','mp3','psd','ai','eps','svg','indd','pdf');

		if ($request->hasFile('files')) {
			$file = $request->file('files');

			foreach($file as $files){
				$is_last_chunk = false;
				$is_chunked_upload = !empty($headers['content-range']);
				if ($is_chunked_upload) {
					if (preg_match('|(\d+)/(\d+)|', $headers['content-range'][0], $range)) {
						if ($range[1] == $range[2] - 1) {
							$is_last_chunk = true;
						}
					}
				}

				$extension = strtolower($files->getClientOriginalExtension());
				if (!in_array($extension, $acceptFileTypes)) return array("false");

				if($is_chunked_upload){
					$filename = $uid."_".$range[1].".".$extension;
				}else{
					$filename = $uid.'.'.$extension;
				}

				$uploadPath = public_path() . '/uploads/';
				$files->move($uploadPath, $filename);

				// si c'est le dernier morceux d'un fichier
				if($is_last_chunk){
					if($dossier = opendir($uploadPath)){
						$dirFiles = array();
						// on compile tous les chunk du fichier
						while(false !== ($fichier = readdir($dossier))){
							if($fichier != '.' && $fichier != '..' ){
								if(strpos($fichier,$uid) !== false){
									$dirFiles[$fichier] = str_replace(".".$extension, "", str_replace($uid."_", "", $fichier));
								}
							}
						}
						closedir($dossier);
						// on les trie pour les assembler dans le bon ordre
						asort ($dirFiles, SORT_NUMERIC );
						// on les assemble dans un fichier final
						$filename = $uid . '.' . $extension;
						foreach($dirFiles as $key => $fichier)	{
							$file = fopen($uploadPath.$key, 'rb');
							$buff = fread($file, filesize($uploadPath.$key));
							fclose($file);

							$final = fopen($uploadPath.$filename, 'a');
							$write = fwrite($final, $buff);
							fclose($final);

							unlink($uploadPath.$key);
						}


					}
				}

				// si c'est le dernier morceau d'un fichier ou que c'est un envoi simple
				if($is_last_chunk || !$is_chunked_upload ){

					// On déplace le fichier dans le répertoire des médias
					$destinationPath = $this->get_mediaFolder()."/";
					Storage::move("uploads/".$filename, $destinationPath.$filename);

					// on créé un média en bdd
					$media = new Media();
					$media->libelle = $filename;
					$media->extension = $extension;
					$media->source = $destinationPath.$filename;
					$media->taille = $this->formatBytes($this->get_file_size($destinationPath.$filename));

					switch ($extension) {
						// Photo (1)
						case 'gif':
						case 'jpeg':
						case 'jpg':
						case 'png':
							$media->typemedia_id = 1;
							list($width, $height) = getimagesize($destinationPath.$filename);
							$media->largeur = $width;
							$media->hauteur = $height;
							$media->resolution = $this->get_dpi($destinationPath.$filename);
							$this->createThumbnail($destinationPath.$filename, $destinationPath.$uid.'_thumb.'.$extension, 200);
							if($width >= 1500){
								$this->createThumbnail($destinationPath.$filename, $destinationPath.$uid.'_preview.'.$extension, 1500);
							}else{
								$this->createThumbnail($destinationPath.$filename, $destinationPath.$uid.'_preview.'.$extension, $width);
							}

							break;
						// Illustration/Vectorielle (2)
						case 'svg':
							$media->typemedia_id = 2;
							break;
						// Vidéo (3)
						case 'mp4':
							$media->typemedia_id =3 ;
							$getID3 = new \getID3;
							if($fileInfo = $getID3->analyze($destinationPath.$filename)){
								$media->largeur = $fileInfo['video']['resolution_x'];
								$media->hauteur = $fileInfo['video']['resolution_y'];
								$media->duree = $fileInfo['playtime_string'];
							}
							break;
						// Audio (4)
						case 'mp3':
							$media->typemedia_id = 4;
							$getID3 = new \getID3;
							if($fileInfo = $getID3->analyze($destinationPath.$filename)){
								$media->duree= $fileInfo['playtime_string'];
							}
							break;
						// Document (5)
						case 'ai':
						case 'eps':
						case 'indd':
						case 'pdf':
						case 'psd':
						default:
							$media->typemedia_id = 5;

							if($extension == 'pdf'){
								$im = new \imagick();

								$im->readImage($destinationPath.$filename.'[0]');
								$im->setImageFormat('jpg');
								$imageprops = $im->getImageGeometry();

								$width = $imageprops['width'];
								$height = $imageprops['height'];

								// create preview
								$fp = $destinationPath.$uid.'_preview.jpg';
								if($width >= 1500){
									$newHeight = (1500 * $height) / $width;
									$im->resizeImage(1500,$newHeight, \imagick::FILTER_LANCZOS, 0.9, true);
								}
								$im->writeImage($fp);

								// create thumb
    							$newHeight = (200 * $height) / $width;
								$im->resizeImage(200, $newHeight, \imagick::FILTER_LANCZOS, 0.9, true);
								$fp = $destinationPath.$uid.'_thumb.jpg';
								$im->writeImage($fp);

							}
							break;
					}


					$media->dossier_id = $dossier_id;
					$media->sujet_id = $sujet_id;
					$media->save();
				}

				$filest = array();
				$filest['name'] = $filename;
				$filest['uid'] = $uid;
				$filesa['files'][]=$filest;
			}
			return  $filesa;
		}
	}

}