<?php

declare(strict_types=1);

namespace App\Tests\Controller\Groups\Offer;

use App\Controller\Groups\Offer\ContactController;
use App\Entity\Groups\Accommodation;
use App\Entity\Groups\AccommodationBooking;
use App\Enum\Groups\AccommodationBookingStatus;
use App\Form\Model\AccommodationBookingDto;
use App\Model\AccommodationBookingContext;
use App\Repository\Groups\AccommodationBookingRepository;
use App\Service\AccommodationBookingLinkSigner;
use App\Service\AccommodationBookingService;
use PHPUnit\Framework\Attributes\DataProvider;
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 ContactControllerTest extends TestCase
{
    public function testGetRendersPagePrefilledFromBooking(): void
    {
        $booking = $this->openBooking();

        $dto = new AccommodationBookingDto();
        $ctx = new AccommodationBookingContext(accommodation: $booking->getAccommodation(), priceBreakdown: ['total' => 1000]);
        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->method('contactDataFromBooking')->with($booking)->willReturn($dto);
        $bookingService->method('createOfferContext')->with($booking, $booking->getAccommodation())->willReturn($ctx);
        $bookingService->expects(self::never())->method('applyContactData');

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

        $controller = new TestableOfferContactController(
            $this->repositoryReturning($booking),
            $this->linkSigner(authorized: true),
            $bookingService,
            $form,
        );

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

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertSame('groups/offer/contact.html.twig', $controller->renderedView);
        self::assertSame($form, $controller->renderedParameters['form']);
        self::assertSame($ctx, $controller->renderedParameters['ctx']);
        self::assertSame(['total' => 1000], $controller->renderedParameters['priceBreakdown']);
        self::assertSame($dto, $controller->formData);
        self::assertSame(['email_readonly' => true], $controller->formOptions);
    }

    public function testPostValidSavesAndReturnsToOffer(): void
    {
        $booking = $this->openBooking();

        $dto = new AccommodationBookingDto();
        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->method('contactDataFromBooking')->willReturn($dto);
        $bookingService->expects(self::once())->method('applyContactData')->with($booking, $dto);
        $bookingService->expects(self::never())->method('acceptBooking');

        $controller = new TestableOfferContactController(
            $this->repositoryReturning($booking),
            $this->linkSigner(authorized: true),
            $bookingService,
            $this->submittedForm(valid: true),
        );

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

        self::assertInstanceOf(RedirectResponse::class, $response);
        self::assertSame('/app_groups_offer_view?uuid='.$booking->getUuid(), $response->getTargetUrl());
        self::assertSame([['type' => 'success', 'message' => 'Deine Kontaktdaten wurden gespeichert. Du kannst die Buchung jetzt abschließen.']], $controller->flashes);
    }

    public function testPostInvalidReRendersWithoutSaving(): void
    {
        $booking = $this->openBooking();

        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->method('contactDataFromBooking')->willReturn(new AccommodationBookingDto());
        $bookingService->method('createOfferContext')->willReturn(new AccommodationBookingContext(accommodation: $booking->getAccommodation()));
        $bookingService->expects(self::never())->method('applyContactData');

        $controller = new TestableOfferContactController(
            $this->repositoryReturning($booking),
            $this->linkSigner(authorized: true),
            $bookingService,
            $this->submittedForm(valid: false),
        );

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

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

    #[DataProvider('guards')]
    public function testRedirectsToOfferWhenNotEditable(AccommodationBookingStatus $status, bool $authorized): void
    {
        $booking = new AccommodationBooking();
        $booking->setStatus($status);

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

        $controller = new TestableOfferContactController(
            $this->repositoryReturning($booking),
            $this->linkSigner($authorized),
            $bookingService,
        );

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

        self::assertInstanceOf(RedirectResponse::class, $response);
        self::assertSame('/app_groups_offer_view?uuid='.$booking->getUuid(), $response->getTargetUrl());
    }

    /**
     * @return iterable<string, array{AccommodationBookingStatus, bool}>
     */
    public static function guards(): iterable
    {
        yield 'unauthorized session' => [AccommodationBookingStatus::Open, false];
        yield 'already accepted' => [AccommodationBookingStatus::Received, true];
        yield 'discarded' => [AccommodationBookingStatus::Discarded, true];
    }

    private function openBooking(): AccommodationBooking
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Open);
        $booking->setAccommodation(new Accommodation());

        return $booking;
    }

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

        return $bookingRepository;
    }

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

        return $linkSigner;
    }

    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 TestableOfferContactController extends ContactController
{
    public ?string $renderedView = null;

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

    public mixed $formData = null;

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

    /** @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);
    }

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

        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>');
    }
}