<?php

declare(strict_types=1);

namespace App\Tests\Controller\Booking\Create;

use App\BusProNet\ApiClient;
use App\BusProNet\Model\Room;
use App\BusProNet\Model\Travel;
use App\Controller\Booking\Create\Step4Controller;
use App\Form\Model\BookingCreateContext;
use App\Form\Model\BookingDto;
use App\Form\Model\BookingSummaryDto;
use App\Form\Model\RoomGroupsDto;
use App\Form\Model\RoomSelectionDto;
use App\Service\BookingAvailabilityRefreshResult;
use App\Service\BookingConfigurator;
use App\Service\BookingCreateContextFactory;
use App\Service\BookingSessionManager;
use App\Service\NewsletterManager;
use PHPUnit\Framework\TestCase;
use Psr\Log\NullLogger;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Contracts\Cache\CacheInterface;

class Step4ControllerTest extends TestCase
{
    public function testIndexRerendersWithErrorWhenForcedRefreshFails(): void
    {
        $request = Request::create('/bookings/create/confirmation', 'POST');
        $bookingDto = $this->createBookingDto();

        $bookingSessionService = $this->createMock(BookingSessionManager::class);
        $bookingSessionService->expects($this->once())
            ->method('getOrCreateBookingCreateDto')
            ->with($request)
            ->willReturn($bookingDto);
        $bookingSessionService->expects($this->exactly(2))
            ->method('refreshCreateAvailability')
            ->willReturnOnConsecutiveCalls(
                new BookingAvailabilityRefreshResult(
                    availabilityRefreshed: true,
                    roomSelectionQuantityReset: false,
                    roomSelectionSnapshotChanged: false,
                    hasAvailableRooms: true,
                ),
                new BookingAvailabilityRefreshResult(
                    availabilityRefreshed: false,
                    roomSelectionQuantityReset: false,
                    roomSelectionSnapshotChanged: false,
                    hasAvailableRooms: true,
                ),
            );

        $bookingService = $this->createMock(BookingConfigurator::class);
        $bookingService->expects($this->never())->method('applyCreateBookingStatusRules');

        $apiClient = $this->createMock(ApiClient::class);
        $apiClient->expects($this->never())->method('createBooking');

        $form = $this->createMock(FormInterface::class);
        $form->expects($this->once())->method('handleRequest')->with($request)->willReturnSelf();
        $form->expects($this->once())->method('isSubmitted')->willReturn(true);
        $form->expects($this->once())->method('isValid')->willReturn(true);

        $createContextFactory = $this->createMock(BookingCreateContextFactory::class);
        $createContextFactory->expects($this->once())
            ->method('createWithParticipantPrices')
            ->with($bookingDto)
            ->willReturn(new BookingCreateContext(
                bookingDto: $bookingDto,
                summaryData: $this->createMock(BookingSummaryDto::class),
                groupedRooms: new RoomGroupsDto([], []),
            ));

        $controller = new TestableStep4Controller(
            $bookingService,
            $bookingSessionService,
            $createContextFactory,
            $apiClient,
            $this->createMock(CacheInterface::class),
            $this->createMock(NewsletterManager::class),
            new NullLogger(),
            $form,
        );

        $response = $controller->index($request);

        $this->assertInstanceOf(Response::class, $response);
        $this->assertNotInstanceOf(RedirectResponse::class, $response);
        $this->assertSame('rendered:booking/create/step_4.html.twig', $response->getContent());
        $this->assertSame(['error', 'Die Verfügbarkeit konnte gerade nicht aktualisiert werden. Bitte versuche es erneut.'], $controller->flashes[0]);
    }

    public function testIndexRedirectsWithWarningWhenPriceChangesDuringForcedRefresh(): void
    {
        $request = Request::create('/bookings/create/confirmation', 'POST');
        $bookingDto = $this->createBookingDto();

        $bookingSessionService = $this->createMock(BookingSessionManager::class);
        $bookingSessionService->expects($this->once())
            ->method('getOrCreateBookingCreateDto')
            ->with($request)
            ->willReturn($bookingDto);
        $bookingSessionService->expects($this->exactly(2))
            ->method('refreshCreateAvailability')
            ->willReturnOnConsecutiveCalls(
                new BookingAvailabilityRefreshResult(
                    availabilityRefreshed: true,
                    roomSelectionQuantityReset: false,
                    roomSelectionSnapshotChanged: false,
                    hasAvailableRooms: true,
                ),
                new BookingAvailabilityRefreshResult(
                    availabilityRefreshed: true,
                    roomSelectionQuantityReset: false,
                    roomSelectionSnapshotChanged: true,
                    hasAvailableRooms: true,
                ),
            );

        $bookingService = $this->createMock(BookingConfigurator::class);
        $bookingService->expects($this->never())->method('applyCreateBookingStatusRules');

        $apiClient = $this->createMock(ApiClient::class);
        $apiClient->expects($this->never())->method('createBooking');

        $form = $this->createMock(FormInterface::class);
        $form->expects($this->once())->method('handleRequest')->with($request)->willReturnSelf();
        $form->expects($this->once())->method('isSubmitted')->willReturn(true);
        $form->expects($this->once())->method('isValid')->willReturn(true);

        $createContextFactory = $this->createMock(BookingCreateContextFactory::class);
        $createContextFactory->expects($this->never())->method('createWithParticipantPrices');

        $controller = new TestableStep4Controller(
            $bookingService,
            $bookingSessionService,
            $createContextFactory,
            $apiClient,
            $this->createMock(CacheInterface::class),
            $this->createMock(NewsletterManager::class),
            new NullLogger(),
            $form,
        );

        $response = $controller->index($request);

        $this->assertInstanceOf(RedirectResponse::class, $response);
        $this->assertSame('app_booking_create_step_4', $response->getTargetUrl());
        $this->assertSame(['warning', 'Die Zimmerpreise haben sich aktualisiert. Bitte überprüfe deine Buchung erneut.'], $controller->flashes[0]);
    }

    private function createBookingDto(): BookingDto
    {
        $travel = new Travel();
        $travel->id = 1234;
        $travel->hotelId = 77;

        $room = new Room();
        $room->id = 1;
        $room->label = 'Doppelzimmer';
        $room->available = 2;
        $room->status = 'Frei';
        $travel->rooms = [$room];

        $bookingDto = new BookingDto($travel, 77);
        $bookingDto->currentStep = 4;

        $selection = new RoomSelectionDto();
        $selection->id = 1;
        $selection->quantity = 1;
        $bookingDto->roomSelections = [$selection];

        return $bookingDto;
    }
}

final class TestableStep4Controller extends Step4Controller
{
    /**
     * @var array<int, array{string, mixed}>
     */
    public array $flashes = [];

    public function __construct(
        BookingConfigurator $bookingService,
        BookingSessionManager $bookingSessionService,
        BookingCreateContextFactory $createContextFactory,
        ApiClient $apiClient,
        CacheInterface $cache,
        NewsletterManager $doubleOptInService,
        \Psr\Log\LoggerInterface $logger,
        private readonly FormInterface $form,
    ) {
        parent::__construct(
            $bookingService,
            $bookingSessionService,
            $createContextFactory,
            $apiClient,
            $cache,
            $doubleOptInService,
            $logger,
        );
    }

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

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

    protected function render(string $view, array $parameters = [], ?Response $response = null): Response
    {
        return new Response('rendered:'.$view);
    }

    protected function redirectToRoute(string $route, array $parameters = [], int $status = 302): RedirectResponse
    {
        return new RedirectResponse($route, $status);
    }

    protected function generateUrl(string $route, array $parameters = [], int $referenceType = 0): string
    {
        return $route;
    }

    protected function getUser(): ?\Symfony\Component\Security\Core\User\UserInterface
    {
        return null;
    }
}