<?php

declare(strict_types=1);

namespace App\Tests\Controller\Groups;

use App\Controller\Groups\OfferController;
use App\Entity\Groups\AccommodationBooking;
use App\Repository\Groups\AccommodationBookingRepository;
use App\Service\AccommodationBookingBreakdownCalculator;
use App\Service\AccommodationBookingLinkSigner;
use App\Service\AccommodationBookingService;
use PHPUnit\Framework\TestCase;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class OfferControllerTest extends TestCase
{
    public function testGetRendersOfferWithAcceptFormForInquiry(): void
    {
        $booking = new AccommodationBooking();
        $booking->setIsInquiry(true);

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

        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
        $linkSigner->method('isValidLinkRequest')->willReturn(true);

        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
        $breakdownCalculator->method('compute')->with($booking)->willReturn(['total' => 1000]);

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

        $controller = new TestableOfferController($bookingRepository, $linkSigner, $breakdownCalculator, $bookingService);

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

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertSame('<html>offer</html>', $response->getContent());
        self::assertSame('groups/booking/offer.html.twig', $controller->renderedView);
        self::assertSame(['booking' => $booking, 'priceBreakdown' => ['total' => 1000]], $controller->renderedParameters);
    }

    public function testPostAcceptsInquiryAndRedirectsToSameUrl(): void
    {
        $booking = new AccommodationBooking();
        $booking->setIsInquiry(true);

        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->willReturn($booking);

        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
        $linkSigner->method('isValidLinkRequest')->willReturn(true);

        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->expects(self::once())->method('acceptBooking')->with($booking);

        $controller = new TestableOfferController(
            $bookingRepository,
            $linkSigner,
            $this->createMock(AccommodationBookingBreakdownCalculator::class),
            $bookingService,
        );

        $request = Request::create(
            '/groups/booking/offer/'.$booking->getUuid().'?t=123&_hash=abc',
            'POST',
            ['_token' => 'valid-token'],
        );
        $response = $controller->index($booking->getUuid(), $request);

        self::assertSame(Response::HTTP_FOUND, $response->getStatusCode());
        self::assertSame($request->getUri(), $response->headers->get('Location'));
        self::assertSame('accept_accommodation_offer_'.$booking->getUuid(), $controller->csrfTokenId);
        self::assertSame('valid-token', $controller->csrfToken);
    }

    public function testPostRejectsInvalidCsrfToken(): void
    {
        $booking = new AccommodationBooking();
        $booking->setIsInquiry(true);

        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->willReturn($booking);

        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
        $linkSigner->method('isValidLinkRequest')->willReturn(true);

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

        $controller = new TestableOfferController(
            $bookingRepository,
            $linkSigner,
            $this->createMock(AccommodationBookingBreakdownCalculator::class),
            $bookingService,
        );
        $controller->csrfValid = false;

        $this->expectException(\Symfony\Component\Security\Core\Exception\AccessDeniedException::class);

        $controller->index(
            $booking->getUuid(),
            Request::create('/groups/booking/offer/'.$booking->getUuid(), 'POST', ['_token' => 'invalid']),
        );
    }

    public function testGetRendersConfirmationWithoutAcceptFormForBooking(): void
    {
        $booking = new AccommodationBooking();
        $booking->setIsInquiry(false);

        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->willReturn($booking);

        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
        $linkSigner->method('isValidLinkRequest')->willReturn(true);

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

        $controller = new TestableOfferController(
            $bookingRepository,
            $linkSigner,
            $this->createMock(AccommodationBookingBreakdownCalculator::class),
            $bookingService,
        );

        // A POST on an already-accepted booking should not trigger acceptBooking again — falls through to render.
        $response = $controller->index($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid(), 'POST'));

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

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

        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
        $bookingRepository->method('findOneBy')->willReturn($booking);

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

        $controller = new TestableOfferController(
            $bookingRepository,
            $linkSigner,
            $this->createMock(AccommodationBookingBreakdownCalculator::class),
            $this->createMock(AccommodationBookingService::class),
        );

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

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertSame('groups/booking/offer_unavailable.html.twig', $controller->renderedView);
    }

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

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

        $controller = new TestableOfferController(
            $bookingRepository,
            $linkSigner,
            $this->createMock(AccommodationBookingBreakdownCalculator::class),
            $this->createMock(AccommodationBookingService::class),
        );

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

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertSame('groups/booking/offer_unavailable.html.twig', $controller->renderedView);
    }
}

final class TestableOfferController extends OfferController
{
    public bool $csrfValid = true;
    public ?string $csrfTokenId = null;
    public ?string $csrfToken = null;
    public ?string $renderedView = null;

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

    protected function isCsrfTokenValid(string $id, ?string $token): bool
    {
        $this->csrfTokenId = $id;
        $this->csrfToken = $token;

        return $this->csrfValid;
    }

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

        if ('groups/booking/offer.html.twig' === $view) {
            $content = $parameters['booking']->isInquiry() ? '<html>offer</html>' : '<html>confirmed</html>';
        } else {
            $content = '<html>unavailable</html>';
        }

        $response ??= new Response();
        $response->setContent($content);

        return $response;
    }
}