<?php

declare(strict_types=1);

namespace App\Tests\Controller\Booking\Create;

use App\BusProNet\Model\Room;
use App\BusProNet\Model\Travel;
use App\Controller\Booking\Create\Step2ParticipantController;
use App\Form\Model\BookingDto;
use App\Form\Model\ParticipantDto;
use App\Form\Model\RoomSelectionDto;
use App\Htmx\HxRedirectResponse;
use App\Service\BookingAvailabilityRefreshResult;
use App\Service\BookingConfigurator;
use App\Service\BookingCreateContextFactory;
use App\Service\BookingSessionManager;
use App\Service\ParticipantDataPrefiller;
use App\Service\ParticipantFormSupport;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;

class Step2ParticipantControllerTest extends TestCase
{
    public function testEditParticipantPersistsBookingStatusOnPlainGetRequest(): void
    {
        $request = Request::create('/bookings/create/participants/0', 'GET');
        $bookingDto = $this->createBookingDto();

        $bookingSessionService = $this->createMock(BookingSessionManager::class);
        $bookingSessionService->expects($this->once())
            ->method('getBookingDto')
            ->with($request, BookingDto::MODE_CREATE)
            ->willReturn($bookingDto);
        $bookingSessionService->expects($this->once())
            ->method('refreshCreateAvailability')
            ->with($request, $bookingDto, false)
            ->willReturn(new BookingAvailabilityRefreshResult(
                availabilityRefreshed: true,
                roomSelectionQuantityReset: false,
                roomSelectionSnapshotChanged: false,
                hasAvailableRooms: true,
            ));
        $bookingSessionService->expects($this->once())
            ->method('saveBookingDto')
            ->with($request, $bookingDto, BookingDto::MODE_CREATE);

        $bookingService = $this->createMock(BookingConfigurator::class);
        $bookingService->expects($this->once())
            ->method('updateBookingStatusFromRoomSelection')
            ->with($bookingDto);

        $participantFormSupportService = $this->createMock(ParticipantFormSupport::class);
        $participantFormSupportService->method('ensureParticipantExists')->willReturn(new ParticipantDto());
        $participantFormSupportService->method('createParticipantEditDto')->willReturn($this->createMock(\App\Form\Model\ParticipantEditDto::class));
        $participantFormSupportService->method('getParticipantFormOptions')->willReturn([]);
        $participantFormSupportService->method('collectAndClearNotifications')->willReturn([]);

        $prepopulationService = $this->createMock(ParticipantDataPrefiller::class);
        $prepopulationService->method('isDummyDataFillRequested')->willReturn(false);

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

        $bookingDto->participants[0] = new ParticipantDto();

        $createContextFactory = $this->createMock(BookingCreateContextFactory::class);
        $createContextFactory->method('create')->willReturn(new \App\Form\Model\BookingCreateContext(
            bookingDto: $bookingDto,
            summaryData: $this->createMock(\App\Form\Model\BookingSummaryDto::class),
            groupedRooms: new \App\Form\Model\RoomGroupsDto([], []),
        ));

        $controller = new TestableStep2ParticipantController(
            $bookingService,
            $bookingSessionService,
            $createContextFactory,
            $prepopulationService,
            $participantFormSupportService,
        );
        $controller->form = $form;

        $response = $controller->editParticipant(0, $request);

        $this->assertSame('rendered', $response->getContent());
    }

    public function testRefreshParticipantFormReturnsHxRedirectForHtmxRequestWhenSelectionStale(): void
    {
        $request = Request::create('/bookings/create/participants/0/refresh', 'POST');
        $request->headers->set('HX-Request', 'true');

        $response = $this->invokeRefreshWithStaleSelection($request);

        $this->assertInstanceOf(HxRedirectResponse::class, $response);
        $this->assertSame('app_booking_create_step_1', $response->headers->get('HX-Redirect'));
    }

    public function testRefreshParticipantFormReturnsPlainRedirectForNonHtmxRequestWhenSelectionStale(): void
    {
        $request = Request::create('/bookings/create/participants/0/refresh', 'POST');

        $response = $this->invokeRefreshWithStaleSelection($request);

        $this->assertInstanceOf(RedirectResponse::class, $response);
        $this->assertNotInstanceOf(HxRedirectResponse::class, $response);
        $this->assertSame('app_booking_create_step_1', $response->getTargetUrl());
    }

    private function invokeRefreshWithStaleSelection(Request $request): \Symfony\Component\HttpFoundation\Response
    {
        $bookingDto = $this->createBookingDto();

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

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

        $controller = new TestableStep2ParticipantController(
            $bookingService,
            $bookingSessionService,
            $this->createMock(BookingCreateContextFactory::class),
            $this->createMock(ParticipantDataPrefiller::class),
            $this->createMock(ParticipantFormSupport::class),
        );

        return $controller->refreshParticipantForm(0, $request);
    }

    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 = 2;

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

        return $bookingDto;
    }
}

final class TestableStep2ParticipantController extends Step2ParticipantController
{
    /**
     * @var array<int, array{string, mixed}>
     */
    public array $flashes = [];

    public ?FormInterface $form = null;

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

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

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

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