<?php

declare(strict_types=1);

namespace App\Tests\Controller\Groups\Offer;

use App\Controller\Groups\Offer\ConfirmController;
use App\Entity\Groups\AccommodationBooking;
use App\Enum\Groups\AccommodationBookingStatus;
use App\Form\Model\OfferAcceptDto;
use App\Repository\Groups\AccommodationBookingRepository;
use App\Service\AccommodationBookingLinkSigner;
use App\Service\AccommodationBookingService;
use App\Service\AccommodationTermsUrlProvider;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class ConfirmControllerTest extends TestCase
{
    public function testGetRendersModalWithFreshForm(): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Open);
        $booking->setRemarks("Bitte Zimmer im EG\nDanke!");

        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->with(['uuid' => $booking->getUuid()])->willReturn($booking);

        $confirmationForm = $this->createStub(FormInterface::class);
        $confirmationForm->method('handleRequest')->willReturnSelf();
        $confirmationForm->method('isSubmitted')->willReturn(false);

        $bookingService = $this->serviceWithCompleteContactData();
        $bookingService->expects(self::never())->method('acceptBooking');

        $controller = new TestableOfferConfirmController(
            $bookingRepository,
            $this->authorizedLinkSigner(),
            $bookingService,
            $confirmationForm,
        );

        $response = $controller->index($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm'));

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertSame('groups/offer/modal_accept_confirmation.html.twig', $controller->renderedView);
        self::assertSame($booking, $controller->renderedParameters['booking']);
        self::assertSame($confirmationForm, $controller->renderedParameters['confirmationForm']);

        self::assertInstanceOf(OfferAcceptDto::class, $controller->formData);
        self::assertSame("Bitte Zimmer im EG\nDanke!", $controller->formData->remarks, 'the stored remark is prefilled into the modal');
        self::assertFalse($controller->formData->termsAccepted);
    }

    public function testPostValidAcceptsBookingAndRedirects(): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Open);
        $booking->setRemarks('Bitte Zimmer im EG');

        $bookingService = $this->serviceWithCompleteContactData();
        $bookingService->expects(self::once())->method('acceptBooking')->with($booking, 'Bitte Zimmer im EG');

        $controller = new TestableOfferConfirmController(
            $this->repositoryReturning($booking),
            $this->authorizedLinkSigner(),
            $bookingService,
            $this->submittedForm(valid: true),
        );

        $response = $controller->index($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm', 'POST'));

        self::assertInstanceOf(RedirectResponse::class, $response);
        self::assertSame('/app_groups_offer_view?uuid='.$booking->getUuid(), $response->getTargetUrl());
        self::assertSame([['type' => 'success', 'message' => 'Deine Buchung ist bei uns eingegangen. Sobald sie geprüft ist, erhältst du eine Bestätigung per E-Mail.']], $controller->flashes);
    }

    public function testPostValidViaHtmxReturnsHxRedirect(): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Open);

        $bookingService = $this->serviceWithCompleteContactData();
        // No remark on the booking and none submitted: the empty string clears rather than keeps.
        $bookingService->expects(self::once())->method('acceptBooking')->with($booking, '');

        $controller = new TestableOfferConfirmController(
            $this->repositoryReturning($booking),
            $this->authorizedLinkSigner(),
            $bookingService,
            $this->submittedForm(valid: true),
        );

        $request = Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm', 'POST');
        $request->headers->set('HX-Request', 'true');
        $response = $controller->index($booking->getUuid(), $request);

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertTrue($response->headers->has('HX-Redirect'));
    }

    public function testPostInvalidReRendersModalWithoutAccepting(): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Open);

        $bookingService = $this->serviceWithCompleteContactData();
        $bookingService->expects(self::never())->method('acceptBooking');

        $controller = new TestableOfferConfirmController(
            $this->repositoryReturning($booking),
            $this->authorizedLinkSigner(),
            $bookingService,
            $this->submittedForm(valid: false),
        );

        $response = $controller->index($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm', 'POST'));

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertFalse($response->headers->has('HX-Redirect'));
        self::assertSame('groups/offer/modal_accept_confirmation.html.twig', $controller->renderedView);
    }

    #[DataProvider('methods')]
    public function testSendsToContactPageWhenContactDataIsIncomplete(string $method): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Open);

        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->method('hasCompleteContactData')->with($booking)->willReturn(false);
        $bookingService->expects(self::never())->method('acceptBooking');

        $controller = new TestableOfferConfirmController(
            $this->repositoryReturning($booking),
            $this->authorizedLinkSigner(),
            $bookingService,
        );

        $request = Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm', $method);
        $request->headers->set('HX-Request', 'true');
        $response = $controller->index($booking->getUuid(), $request);

        self::assertSame('/app_groups_offer_contact?uuid='.$booking->getUuid(), $response->headers->get('HX-Redirect'));
        self::assertNull($controller->renderedView);
    }

    /**
     * @return iterable<string, array{string}>
     */
    public static function methods(): iterable
    {
        yield 'opening the modal' => ['GET'];
        yield 'submitting it anyway' => ['POST'];
    }

    public function testRedirectsWhenAlreadyAccepted(): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Received);

        $controller = new TestableOfferConfirmController(
            $this->repositoryReturning($booking),
            $this->authorizedLinkSigner(),
            $this->createStub(AccommodationBookingService::class),
        );

        $response = $controller->index($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm'));

        self::assertInstanceOf(RedirectResponse::class, $response);
    }

    public function testRedirectsWhenSessionNotAuthorized(): void
    {
        $booking = new AccommodationBooking();

        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
        $linkSigner->method('isSessionAuthorized')->willReturn(false);

        $controller = new TestableOfferConfirmController(
            $this->repositoryReturning($booking),
            $linkSigner,
            $this->createStub(AccommodationBookingService::class),
        );

        $response = $controller->index($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm'));

        self::assertInstanceOf(RedirectResponse::class, $response);
    }

    public function testRedirectsForUnknownUuid(): void
    {
        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->willReturn(null);

        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
        $linkSigner->expects(self::never())->method('isSessionAuthorized');

        $controller = new TestableOfferConfirmController(
            $bookingRepository,
            $linkSigner,
            $this->createStub(AccommodationBookingService::class),
        );

        $response = $controller->index('unknown-uuid', Request::create('/groups/booking/offer/unknown-uuid/confirm'));

        self::assertInstanceOf(RedirectResponse::class, $response);
    }

    private function repositoryReturning(AccommodationBooking $booking): AccommodationBookingRepository
    {
        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->willReturn($booking);

        return $bookingRepository;
    }

    private function authorizedLinkSigner(): AccommodationBookingLinkSigner
    {
        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
        $linkSigner->method('isSessionAuthorized')->willReturn(true);

        return $linkSigner;
    }

    private function serviceWithCompleteContactData(): AccommodationBookingService&MockObject
    {
        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->method('hasCompleteContactData')->willReturn(true);

        return $bookingService;
    }

    private function submittedForm(bool $valid): FormInterface
    {
        $form = $this->createStub(FormInterface::class);
        $form->method('handleRequest')->willReturnSelf();
        $form->method('isSubmitted')->willReturn(true);
        $form->method('isValid')->willReturn($valid);

        return $form;
    }
}

final class TestableOfferConfirmController extends ConfirmController
{
    public ?string $renderedView = null;

    /** @var array<string, mixed> */
    public array $renderedParameters = [];

    public mixed $formData = null;

    /** @var array<int, array{type: string, message: mixed}> */
    public array $flashes = [];

    public function __construct(
        AccommodationBookingRepository $bookingRepository,
        AccommodationBookingLinkSigner $linkSigner,
        AccommodationBookingService $bookingService,
        private readonly ?FormInterface $form = null,
    ) {
        parent::__construct(
            $bookingRepository,
            $linkSigner,
            $bookingService,
            new AccommodationTermsUrlProvider(['AT' => '', 'CH' => '', 'IT' => ''], 'https://example.test/agb/'),
        );
    }

    protected function createForm(string $type, mixed $data = null, array $options = []): FormInterface
    {
        $this->formData = $data;

        return $this->form ?? throw new \LogicException('No form mock configured for this test.');
    }

    protected function addFlash(string $type, mixed $message): void
    {
        $this->flashes[] = ['type' => $type, 'message' => $message];
    }

    /**
     * @param array<string, mixed> $parameters
     */
    protected function generateUrl(string $route, array $parameters = [], int $referenceType = 1): string
    {
        return '/'.$route.'?'.http_build_query($parameters);
    }

    protected function render(string $view, array $parameters = [], ?Response $response = null): Response
    {
        $this->renderedView = $view;
        $this->renderedParameters = $parameters;

        return $response ?? new Response('<html></html>');
    }
}