<?php

declare(strict_types=1);

namespace App\Controller\Groups;

use App\Entity\Groups\Accommodation;
use App\Exception\AccommodationSessionNotFoundException;
use App\Form\AccommodationStep3Type;
use App\Form\Model\AccommodationBookingDto;
use App\Model\AccommodationBookingContext;
use App\Service\AccommodationBookingService;
use App\Service\AccommodationSessionManager;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

class Step3Controller extends AbstractAccommodationController
{
    public function __construct(
        private readonly AccommodationBookingService $bookingService,
        private readonly AccommodationSessionManager $sessionManager,
    ) {
    }

    #[Route('/groups/booking/step-3', name: 'app_groups_booking_step_3')]
    public function index(Request $request): Response
    {
        $dto = $this->resolveDto($request);
        if ($dto instanceof Response) {
            return $dto;
        }

        $accommodation = $this->loadAccommodationOrFail($dto);
        $services = $this->bookingService->loadAvailableServices($dto, $accommodation);

        $ctx = new AccommodationBookingContext(
            accommodation: $accommodation,
            hotelCmsData: $this->bookingService->loadHotelCmsData($accommodation),
            boardServices: $services['boardServices'],
            additionalServices: $services['additionalServices'],
            priceBreakdown: $dto->priceBreakdown ?: null,
        );

        $form = $this->createForm(AccommodationStep3Type::class, $dto);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $dto->currentStep = 4;
            $this->sessionManager->save($request, $dto);

            return $this->redirectToRoute('app_groups_booking_step_4');
        }

        return $this->render('groups/booking/step_3.html.twig', [
            'dto' => $dto,
            'ctx' => $ctx,
            'form' => $form,
        ]);
    }

    /**
     * Loads the session DTO and checks step access, returning an early
     * response (session failure or step-access redirect) if either fails.
     */
    private function resolveDto(Request $request): AccommodationBookingDto|Response
    {
        try {
            $dto = $this->sessionManager->getOrFail($request);
        } catch (AccommodationSessionNotFoundException $e) {
            return $this->createFailureResponse($e, false);
        }

        if ($redirect = $this->validateStepAccess($dto, 3)) {
            return $redirect;
        }

        return $dto;
    }

    private function loadAccommodationOrFail(AccommodationBookingDto $dto): Accommodation
    {
        $accommodation = $this->bookingService->loadAccommodation($dto->accommodationId);
        if (null === $accommodation) {
            throw $this->createNotFoundException();
        }

        return $accommodation;
    }
}