<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Auth;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
use App\Sujet;
use App\Format;
use App\Media;
use App\Typemedia;
use App\Langue;
use App\Copyright;
use App\Etiquette;
use App\Site;
use App\Marque;
use App\Tag;
use App\Article;
use App\Http\Traits\MediaTools;

class MediaController extends Controller
{

	use MediaTools;

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
		$sujets = Auth::user()->sujets;
		$typemedias = Typemedia::all();
		$langues = Langue::all();
		$copyrights = Copyright::all();
		$etiquettes = Etiquette::all();
		$sites = Site::all();
		$marques = Marque::all();
		return view('media_manager')->with([
			'sujets'=> $sujets,
			'typemedias'=> $typemedias,
			'langues'=> $langues,
			'copyrights'=> $copyrights,
			'etiquettes'=> $etiquettes,
			'sites'=> $sites,
			'marques'=> $marques
		]);
    }

	/**
	 * Chargement des médias
	 *
	 */
	public function loadMedia(Request $request)
	{
		$response =  array();
		$userId = Auth::user()->id;
		$dossier_id = $request->input('dossier_id');
		$sujet_id = $request->input('sujet_id');
		$offset = $request->input('offset');
		$limit = $request->input('limit');
		$orderField = $request->input('orderField');
		$order = $request->input('order');

		if($dossier_id == "0"){
			$response['data'] = Media::where('sujet_id', $sujet_id)
			->whereNull('dossier_id')
			->where(function ($query) use ( $userId ) {
				$query->where('statut', '<>', 0)
				->orWhere('created_by', $userId);
            })
			->with('Etiquette')
			->offset($offset)
			->limit($limit)
			->orderBy($orderField, $order)
			->get();
		}else{
			$response['data'] = Media::where('sujet_id', $sujet_id)
			->where('dossier_id', $dossier_id)
			->where(function ($query) use ( $userId ) {
				$query->where('statut', '<>', 0)
				->orWhere('created_by', $userId);
			})
			->with('Etiquette')
			->offset($offset)
			->limit($limit)
			->orderBy($orderField, $order)
			->get();
		}
		if(Auth::user()->hasRole([config('roles.const.ADMIN'), config('roles.const.REDACTEUR')] )){
			$response['draggable'] = true;
		}else{
			$response['draggable'] = false;
		}

		return json_encode($response);
	}

	/**
	 * Déplacement des médias
	 *
	 */
	public function moveMedia(Request $request)
	{
		Auth::user()->authorizeRoles([config('roles.const.ADMIN'), config('roles.const.REDACTEUR')]);
		$response =  array();
		$dossier_id = $request->input('dossier_id');
		$data = $request->input('data');
		$data = explode(",", $data);
		foreach ($data as $key => $media_id) {
			$media = Media::where('id', $media_id)->first();
			if($media){
				if($dossier_id > 0){
					$media->dossier_id = $dossier_id;
				}else{
					$media->dossier_id = null;
				}
				$media->save();
			}
		}

		return json_encode(true);
	}

	/**
	 * supprimer des médias
	 *
	 */
	public function removeMedia(Request $request)
	{
		$deletedMediasList = array();
		Auth::user()->authorizeRoles([config('roles.const.ADMIN'), config('roles.const.REDACTEUR')]);

		$deleteMedias = $request->input('medias');

		$medias = Media::whereIn('id', $deleteMedias)->whereNull('arcadia_id')->get();
		foreach ($medias as $media) {
			$deletedMediasList[] = $media->id;
			$media->delete();
		}

		return json_encode($deletedMediasList);
	}

	/**
	 * Obtenir toutes les informations d'un média
	 *
	 */
	public function getOneMedia(Request $request)
	{
		$host = $request->getSchemeAndHttpHost();
		$response =  array();
		$media_id = $request->input('media_id');
		$media = Media::where('id', $media_id)->with('sujet')->with('sites')->with('marques')->with('articles')->with('tags:libelle')->first();
		if($media){
			// stock le média
			$response['data'] = $media;
			// stock les tags
			foreach ($media->tags as $tag) {
				$response['tags'][] = $tag->libelle;
			}
			// stock les vignettes existantes
			$files = Storage::files($media->folder."/");
			$filepath = preg_quote($media->folder.$media->uid, '/');
			$matchingFiles = preg_grep('/^'.$filepath.'/', $files);
			foreach ($matchingFiles as $matchingFile) {
				$im = new \imagick($matchingFile);
				$imageprops = $im->getImageGeometry();
				$path_parts = pathinfo($matchingFile);

				$fileInfo = array();
				$fileInfo['url'] = $host."/".$matchingFile;
				$fileInfo['resolution'] = $imageprops['width']."x".$imageprops['height']."px";
				$fileInfo['extension'] = $path_parts['extension'];
				$fileInfo['libelle'] = $path_parts['filename'];
				if(strpos($fileInfo['libelle'], '_')){
					$fileInfo['libelle'] = "Format ".substr($fileInfo['libelle'], strpos($fileInfo['libelle'], '_')+1);
				}else{
					$fileInfo['libelle'] = "Format original";
				}
				$response['vignettes'][] = $fileInfo;
			}
		}

		return json_encode($response);
	}

	/**
	 * Sauvegarde toutes les informations d'un média
	 *
	 */
	public function saveMedia(Request $request)
	{
		Auth::user()->authorizeRoles([config('roles.const.ADMIN'), config('roles.const.REDACTEUR'), config('roles.const.CONTRIBUTEUR')]);
		$response =  array();
		$mediaUpdate = (object) $request->input('media');

		$media = Media::where('id', $mediaUpdate->id)->first();
		if($media){
			$media->libelle = $mediaUpdate->libelle;
			$media->typevue_id = $mediaUpdate->typevue_id;
			$media->variante_id = $mediaUpdate->variante_id;
			$media->langue_id = $mediaUpdate->langue_id;
			$media->commentaire = $mediaUpdate->commentaire;
			$media->version = $mediaUpdate->version;
			if(  ($mediaUpdate->statut ==  config('services.statut.public') || $mediaUpdate->statut ==  config('services.statut.public_etendue')) && $media->statut ==  config('services.statut.brouillon')){
				$media->published_at = date("Y-m-d H:i:s");
			}
			$media->statut = $mediaUpdate->statut;
			$media->copyright_id = $mediaUpdate->copyright_id;
			$media->etiquette_id = $mediaUpdate->etiquette_id;
			$media->save();

			// MAJ des tags
			$media->tags()->detach();
			if(isset($mediaUpdate->tags)){
				foreach($mediaUpdate->tags as $tag){
					$oTag = Tag::where('libelle', $tag)->first();
					if(!$oTag){
						$oTag = new Tag();
						$oTag->libelle = $tag;
						$oTag->save();
					}
					$media->tags()->attach($oTag->id);
				}
			}


			// ---- Les sites
			$media->sites()->detach();
			$sSites = $mediaUpdate->sites;
			if($sSites != ""){
				$sites = explode(",", $sSites);
				foreach($sites as $siteId){
					$media->sites()->attach($siteId);
				}
			}

			// ---- Les marques
			$media->marques()->detach();
			$sMarques = $mediaUpdate->marques;
			if($sMarques != ""){
				$marques = explode(",", $sMarques);
				foreach($marques as $marqueId){
					$media->marques()->attach($marqueId);
				}
			}

			// ---- Les articles
			$media->articles()->detach();
			$sArticles = $mediaUpdate->articles;
			if($sArticles){
				$articles = explode(",", $sArticles);
				foreach($articles as $articleId){
					$media->articles()->attach($articleId);
				}
			}
		}

		$response = true;
		return json_encode($response);
	}

	/**
	 * Sauvegarde toutes les informations d'un média
	 *
	 */
	public function applySticker(Request $request)
	{
		Auth::user()->authorizeRoles([config('roles.const.ADMIN'), config('roles.const.REDACTEUR'), config('roles.const.CONTRIBUTEUR')]);
		$response =  array();
		$medias = $request->input('medias');
		$etiquette_id = $request->input('etiquette_id');

		$etiquette = Etiquette::where('etiquette_id', $etiquette_id)->first();
		$response = $etiquette;
		if($etiquette){
			foreach ($medias as $media_id) {
				$media = Media::where('id', $media_id)->first();
				if($media){
					$media->etiquette_id = $etiquette_id;
					$media->save();
				}
			}
		}
		return json_encode($response);
	}

	/**
	 * Sauvegarde une retouche photo
	 *
	 */
	public function editPhoto(Request $request)
	{
		Auth::user()->authorizeRoles([config('roles.const.ADMIN'), config('roles.const.REDACTEUR'), config('roles.const.CONTRIBUTEUR')]);
		$response =  array();
		$media_id = $request->input('media_id');
		$image = $request->input('image');
		preg_match("/data:image\/(.*?);/",$image,$image_extension); // extract the image extension
 		$image = preg_replace('/data:image\/(.*?);base64,/','',$image); // remove the type part
 		$image = str_replace(' ', '+', $image);

		$media = Media::where('id', $media_id)->first();
		if($media){
			$mediaPath = $media->folder.$media->uid.".".$media->extension;
			Storage::put($mediaPath, base64_decode($image));

			$im = new \imagick($mediaPath);
			$imageprops = $im->getImageGeometry();
			$media->largeur = $imageprops['width'];
			$media->hauteur = $imageprops['height'];
			$resolutions = $im->getImageResolution();
			$im->destroy();
			$media->resolution = $resolutions['x'];
			if($media->resolution != 0){
				$media->largeur_mm = ceil(($media->largeur * 2.54 / $media->resolution)*10);
				$media->hauteur_mm = ceil(($media->hauteur * 2.54 / $media->resolution)*10);
			}else{
				$media->largeur_mm = "";
				$media->hauteur_mm = "";
			}
			$media->taille = $this->formatBytes($this->get_file_size($mediaPath));
			$media->save();

			// Regénération des miniatures de base
			$this->create_sys_thumb($media);
			// ---- Creation des vignettes en lien avec le sujet du média
			$this->create_thumb($media);
			$response = $media;
		}

		return json_encode($response);
	}

	/**
	 * Applique un Id Arcadia à un média
	 *
	 */
	public function setIdArcdadia(Request $request)
	{
		Auth::user()->authorizeRoles([config('roles.const.ADMIN')]);
		$response =  false;
		$media_id = $request->input('media_id');
		$arcadia_id = $request->input('arcadia_id');

		$media = Media::where('id', $media_id)->first();
		if($media){
			$media->arcadia_id = $arcadia_id;
			$media->save();
			$response = true;
		}

		return json_encode($response);
	}

	/**
	 * Renvoie un article par ID Arcadia
	 *
	 */
	public function getArticle(Request $request)
	{
		$response =  array();
		$arcadia_id = $request->input('arcadia_id');

		$article = Article::where('noArt', $arcadia_id)->first();
		if($article){
			$response['article'] = $article;
		}else{
			$response = false;
		}
		return json_encode($response);
	}

	/**
	 * Renvoie un article par ID Arcadia
	 *
	 */
	public function downloadMedia(Request $request)
	{
		if(!$user = Auth::user())  abort(404, 'Erreur lors du téléchargement');

		// obtention du format
		$formatId = $request->input('format');
		if($formatId != 0){
			$format = Format::withoutGlobalScope('App\Scopes\SystemScope')->where('id', $formatId)->first();
			if(!$format) abort(404, 'Erreur lors du téléchargement');
		}else{
			$format = "";
		}

		$mediasId = $request->input('medias');
		$medias = explode(",", $mediasId);
		if(sizeof($medias) == 1){
			$media = Media::where('id', $mediasId)->first();
			if($media){
				$fp = $this->get_mediaPath($media, $format);
			}
		}else{
			// create zip archive
			$zip_file =	public_path() . '/uploads/DAM_'.uniqid().'_'.date("Ymd").'.zip';
			$zip = new \ZipArchive();
			$zip->open($zip_file, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);

			// add file to archive
			foreach ($medias as $mediaId) {
				$media = Media::where('id', $mediaId)->first();
				if($media){
					$fp = $this->get_mediaPath($media, $format);
					$zip->addFile($fp,  basename($fp));
				}
			}
			$zip->close();
			$fp = $zip_file;
		}
		return response()->download($fp)->deleteFileAfterSend(true);
	}

}