<?php

namespace App\Controller\Booking;

use App\BusProNet\ApiClient;
use App\BusProNet\Exception\ApiClientException;
use App\BusProNet\Model\Notification;
use App\Entity\User;
use App\Security\Crypt;
use Psr\Log\LoggerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\ResponseHeaderBag;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Attribute\IsGranted;

use function Symfony\Component\String\u;

class DownloadController extends AbstractController
{
    public function __construct(
        private readonly ApiClient $apiClient,
        private readonly Crypt $crypt,
        private readonly LoggerInterface $logger,
    ) {
    }

    #[Route(
        path: '/bookings/{id}/documents',
        name: 'app_booking_documents',
        requirements: ['id' => '\d+'],
        defaults: ['fileType' => 'documents']
    )]
    #[Route(
        path: '/bookings/{id}/invoice',
        name: 'app_booking_invoice',
        requirements: ['id' => '\d+'],
        defaults: ['fileType' => 'invoice']
    )]
    #[IsGranted('ROLE_USER')]
    public function documents(int $id, string $fileType): Response
    {
        /** @var User $user */
        $user = $this->getUser();
        $email = $user->getEmail();
        $password = $this->crypt->decrypt($user->getPassword());

        $type = match ($fileType) {
            'documents' => 'Dokumentdruck',
            'invoice' => 'Vorgangdruck',
        };

        $this->logger->info('Initiated document download', [
            'email' => $email,
            'document_type' => $fileType,
            'booking_id' => $id,
        ]);

        try {
            $file = $this
                ->apiClient
                ->getDocuments($email, $password, $id, $type);
        } catch (ApiClientException $e) {
            $file = null;
        }

        if (null === $file || $file instanceof Notification) {
            $this->addFlash('error', 'Keine Dokumente vorhanden oder nicht abrufbar');

            return $this->redirectToRoute('app_bookings');
        }

        $filename = u($file->filename)->ascii();

        $response = new StreamedResponse(function () use ($file) {
            echo $file->content;
        });

        $disposition = $response->headers->makeDisposition(
            ResponseHeaderBag::DISPOSITION_ATTACHMENT,
            $filename,
            md5($filename)
        );

        $response->headers->set('Content-Disposition', $disposition);
        $response->headers->set('Content-Type', $file->mimeType);

        return $response;
    }
}