<?php

namespace App\Http\Controllers\Admin;

use App\Album;
use App\Helpers\MiscHelper;
use App\Photo;
use App\Upload;
use App\UploadPhoto;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\App;
use Symfony\Component\Finder\Iterator\RecursiveDirectoryIterator;
use Symfony\Component\HttpFoundation\File\File;

class PhotoController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $this->authorize('admin-access');

        $photoFiles = $request->files->get('photo');

        // Load the linked album
        $album = AlbumController::loadAlbum($request->get('album_id'));

        $upload = new Upload();
        $upload->album_id = $album->id;
        $upload->is_completed = false;
        $upload->is_processing = false;
        $upload->is_ready = false;
        $upload->number_photos = 0;
        $upload->save();

        foreach ($photoFiles as $photoFile)
        {
            $photoFile = UploadedFile::createFromBase($photoFile);

            /** @var File $savedFile */
            $savedFile = $album->getAlbumSource()->saveUploadedPhoto($album, $photoFile);

            $photo = new Photo();
            $photo->album_id = $album->id;
            $photo->name = pathinfo($photoFile->getClientOriginalName(), PATHINFO_FILENAME);
            $photo->file_name = $photoFile->getClientOriginalName();
            $photo->storage_file_name = $savedFile->getFilename();
            $photo->mime_type = $savedFile->getMimeType();
            $photo->file_size = $savedFile->getSize();
            $photo->save();

            $upload->number_photos++;

            $uploadPhoto = new UploadPhoto();
            $uploadPhoto->upload_id = $upload->id;
            $uploadPhoto->photo_id = $photo->id;
            $uploadPhoto->save();
        }

        $upload->is_ready = true;
        $upload->save();

        return redirect(route('albums.monitorUpload', [
            'id' => $album->id,
            'upload_id' => $upload->id
        ]));
    }

    public function storeBulk(Request $request)
    {
        $this->authorize('admin-access');

        $archiveFile = UploadedFile::createFromBase($request->files->get('archive'));

        // Load the linked album
        $album = AlbumController::loadAlbum($request->get('album_id'));

        // Create a temporary folder to hold the extracted files
        $tempFolder = sprintf('%s/btw_upload_%s', env('TEMP_FOLDER', '/tmp'), MiscHelper::randomString());
        mkdir($tempFolder);

        $mimeType = strtolower($archiveFile->getMimeType());
        switch ($mimeType)
        {
            case 'application/zip':
                $zip = new \ZipArchive();
                $zip->open($archiveFile->getPathname());
                $zip->extractTo($tempFolder);
                $zip->close();
                break;

            default:
                $request->session()->flash('error', sprintf('The file type "%s" is not supported for bulk uploads.', $mimeType));
                return redirect(route('albums.show', ['id' => $album->id]));
        }

        $upload = new Upload();
        $upload->album_id = $album->id;
        $upload->is_completed = false;
        $upload->is_processing = false;
        $upload->is_ready = false;
        $upload->number_photos = 0;
        $upload->save();

        $di = new \RecursiveDirectoryIterator($tempFolder, \RecursiveDirectoryIterator::SKIP_DOTS);
        $recursive = new \RecursiveIteratorIterator($di);

        /** @var \SplFileInfo $fileInfo */
        foreach ($recursive as $fileInfo)
        {
            if ($fileInfo->isDir())
            {
                continue;
            }

            $photoFile = new File($fileInfo->getPathname());

            /** @var File $savedFile */
            $savedFile = $album->getAlbumSource()->saveUploadedPhoto($album, $photoFile);

            $photo = new Photo();
            $photo->album_id = $album->id;
            $photo->name = pathinfo($photoFile->getFilename(), PATHINFO_FILENAME);
            $photo->file_name = $photoFile->getFilename();
            $photo->storage_file_name = $savedFile->getFilename();
            $photo->mime_type = $savedFile->getMimeType();
            $photo->file_size = $savedFile->getSize();
            $photo->save();

            $upload->number_photos++;

            $uploadPhoto = new UploadPhoto();
            $uploadPhoto->upload_id = $upload->id;
            $uploadPhoto->photo_id = $photo->id;
            $uploadPhoto->save();
        }

        $upload->is_ready = true;
        $upload->save();

        return redirect(route('albums.monitorUpload', [
            'id' => $album->id,
            'upload_id' => $upload->id
        ]));
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        //
    }

    public function updateBulk(Request $request, $albumId)
    {
        $photos = $request->get('photo');

        /** @var Album $album */
        $album = Album::where('id', intval($albumId))->first();

        if (is_null($album))
        {
            App::abort(404);
            return null;
        }

        foreach ($photos as $photoId => $value)
        {
            /** @var Photo $photo */
            $photo = $album->photos()->where('id', intval($photoId))->first();
            if (is_null($photo))
            {
                continue;
            }

            $photo->fill($value);
            $photo->save();
        }

        return redirect(route('albums.show', array('id' => $albumId)));
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        //
    }
}