<?php
namespace App\Http\Controllers\Admin\FileManager;

use App\CMS\Helpers\Path;
use App\CMS\Helpers\Template;
use App\Http\Controllers\Admin\Controller;
use App\Http\Requests\Request;
use App\Models\FileManager\File;
use Illuminate\Support\Facades\Input;
use Symfony\Component\HttpFoundation\File\Exception\FileException;

class UploadFile extends Controller
{
    /**
     * @var File
     */
    private $file;

    function __construct(File $file)
    {
        parent::__construct();
        $this->file = $file;
    }

    /**
     * Uploads any file
     *
     * @param Request $request
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\Http\RedirectResponse|\Illuminate\View\View
     */
    public function store(Request $request)
    {
        if (Input::get('CKEditor')) {
            return $this->ckEditorUpload($request);
        } else {
            return $this->internalUpload($request);
        }
    }

    /**
     * Upload file using internal file uploader
     *
     * @param Request $request
     *
     * @return \Illuminate\Http\RedirectResponse
     */
    private function internalUpload(Request $request)
    {
        try {
            $uploadedFiles = [];
            $files = $request->all()['files'];

            $successfullUploads = 0;
            foreach ($files as $file) {
                $uploadedFile = $this->file->upload($file, $request);
                $successfullUploads++;

                $uploadedFiles[] = $uploadedFile;
            }

            return redirect()
                ->back()
                ->with('success', trans_choice('admin/fileManager.uploadSuccessfull', $successfullUploads));
        } catch (FileException $e) {
            return $this->invalidUpload('invalidFile');
        }
    }

    /**
     * Upload file using CKEditor
     *
     * @param Request $request
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    private function ckEditorUpload(Request $request)
    {
        $file = $request->file('upload');

        $uploadedFile = $this->file->upload($file, $request);

        return view('admin.snippets.ckEditorUploaded', [
            'ckEditor'   => Input::get('CKEditor'),
            'funcNumber' => Input::get('CKEditorFuncNum'),
            'fileUrl'    => Path::upload($uploadedFile['filename'])
        ]);
    }

    /**
     * Send message and redirect to upload.overview when upload failed
     *
     * @param $message
     *
     * @return \Illuminate\Http\RedirectResponse
     */
    protected function invalidUpload($message)
    {
        return redirect()
            ->route('upload.overview')
            ->with('error', trans('admin/fileManager.' . $message));
    }
}