<?php

namespace App\Controller;

use App\Entity\Input\QRCode\QRCode;
use App\Form\Type\QRCodeType;
use App\Service\DTO\QRCodeEntityConverter;
use App\Service\QRCodeGeneratorInterface;
use App\Service\QRCodeQROptionsProviderInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

class IndexController extends AbstractController {
    public function __construct(private readonly QRCodeQROptionsProviderInterface $qrCodeQROptionsFactory, private readonly QRCodeEntityConverter $codeEntityConverter) {}
    #[Route('/', name: 'homepage')]
    public function indexAction(
        Request $request,
        QRCodeGeneratorInterface $qrCodeGenerator,
    ): Response
    {
        $qrCodeImage = null;

        $qrCode = $this->createQrCodeEntity();
        $form = $this->createForm(QRCodeType::class, $qrCode);


        if ($request->isMethod('POST')) {
            $form->submit($request->request->all($form->getName()));

            if ($form->isSubmitted() && $form->isValid()) {
                /* Puvodne jsem premyslel nad redirectem a ulozenim obrazku
                    do session, nicmene u takovehleho typu aplikace me to prijde naopak kontraproduktivni.
                    a zadani o tom mlci. Navic v pripade ze aplikace bude provozovana ve vice instancich
                    by se musela resit memcache, redis... */
                $qrCodeImage = $qrCodeGenerator->generateQRCodeFromEntity($this->codeEntityConverter->convert($qrCode));
                $form = $this->createForm(QRCodeType::class, $this->createQrCodeEntity());
            }
        }

        return $this->render('index/homepage.html.twig', [
            'form' => $form,
            'qrCodeImage' => $qrCodeImage
        ]);
    }

    private function createQrCodeEntity(): QRCode {
        return new QRCode(
            codeQROptions: $this->qrCodeQROptionsFactory->getDefault()
        );
    }
}