<?php

namespace App\Http\Controllers;

use Auth;
use Storage;
use Response;
use App\Models\UserCredit;
use App\Repositories\CreditRepository;

class FileController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct() {}

    private function isPermissionShoppingOrder($shopping_order)
    {
        $user_id  = $shopping_order->auth_user_id ? $shopping_order->auth_user_id : $shopping_order->member_id;
        if (Auth::user()->isAdmin() || $user_id == Auth::user()->id) {
            return true;
        }
        abort(404);
    }

    private function isPermissionUserCredit($user_credit)
    {
        if (Auth::user()->isAdmin() || $user_credit->user_id  == Auth::user()->id) {
            return true;
        }
        abort(404);
    }

    private function isPermissionAuth()
    {
        if (Auth::check()) {
            return true;
        }
        abort(403, "Nicht autorisiert");
    }

    public function show($id = null, $from = null, $do = 'file')
    {

        $path = "";
        $filename = "";
        $disk = "public";

        /*if($disk === 'user'){
            $file = \App\Models\File::findOrFail($id);
            $this->isPermission($file->user_id);
            $path = Storage::disk($disk)->path($file->dir.$file->filename);
            if (file_exists($path)) {
                return Response::file($path);
            }
        }*/
        if ($from === 'invoice') {
            $shopping_order = \App\Models\ShoppingOrder::findOrFail($id);
            if ($shopping_order->user_invoice) {
                $this->isPermissionShoppingOrder($shopping_order);
                $user_invoice = $shopping_order->user_invoice;
                $filename = $user_invoice->filename;
                $disk = $user_invoice->disk;
                $path = $user_invoice->getDownloadPath();
            }
        }

        if ($from === 'delivery') {
            $shopping_order = \App\Models\ShoppingOrder::findOrFail($id);
            if ($shopping_order->user_invoice) {
                $this->isPermissionShoppingOrder($shopping_order);
                $user_invoice = $shopping_order->user_invoice;
                $filename = $user_invoice->delivery_filename;
                $disk = $user_invoice->disk;
                $path = $user_invoice->getDownloadPathDelivery();
            }
        }

        if ($from === 'credit') {
            $user_credit = \App\Models\UserCredit::findOrFail($id);
            $this->isPermissionUserCredit($user_credit);
            $filename = $user_credit->filename;
            $disk = $user_credit->disk;
            $path = $user_credit->getDownloadPath();
        }

        if ($from === 'credit_detail') {
            $user_credit = \App\Models\UserCredit::findOrFail($id);
            $this->isPermissionUserCredit($user_credit);

            return $this->create_credit_detail($user_credit, $do);


            /* 
             $filename = $user_credit->filename;   
            $disk = $user_credit->disk;   
            $path = $user_credit->getDownloadPath(); 
            */
        }


        if ($from === 'dc_file') {
            //  $this->isPermissionAuth();
            $dc_file = \App\Models\DcFile::findOrFail($id);
            $filename = $dc_file->filename;
            $disk = 'public';
            $path = $dc_file->getFile();
        }
        if ($from === 'dc_thumb') {
            //  $this->isPermissionAuth();
            $dc_file = \App\Models\DcFile::findOrFail($id);
            $filename = $dc_file->filename;
            $disk = 'public';
            $path = $dc_file->getThumb();
        }

        if ($from === 'dc_big') {
            //  $this->isPermissionAuth();
            $dc_file = \App\Models\DcFile::findOrFail($id);
            $filename = $dc_file->filename;
            $disk = 'public';
            $path = $dc_file->getBig();
        }


        if (!Storage::disk($disk)->exists($path)) {
            return Response::make('Datei nicht gefunden.', 404);
        }

        if ($do === 'download') {
            return Storage::disk($disk)->download($path, $filename);
        }

        $file = Storage::disk($disk)->get($path);
        $mime = Storage::disk($disk)->mimeType($path);

        if (isset($file)) {
            if ($do === 'stream') {
                return Storage::disk($disk)->response($path, $filename);
            }

            if ($do === 'file') {
                return Response::make($file, 200)
                    ->header("Content-Type", $mime)
                    ->header("Content-Length", strlen($file))
                    ->header('Content-disposition', 'filename="' . $filename . '"');
            }
            if ($do === 'image') {
                return Response::make($file, 200)
                    ->header("Content-Type", $mime);
            }
            if ($do === 'pdf') {
                $path = storage_path() . '/app/public/' . $path;

                $headers = array(
                    'Content-Type:' . $mime,
                    // 'Content-Length: ' . $file->size
                    // 'Content-Disposition: ' . $stream . '; filename=' . $file->original_name
                );

                return Response::download($path, $filename, $headers);
            }
        }
    }

    private function create_credit_detail(UserCredit $user_credit, $do)
    {

        $credit_repo = new CreditRepository($user_credit->user);
        return $credit_repo->create_report($user_credit, $do);
        //\Session()->flash('alert-success', "Gutschrift erstellt");

    }
}