<?php

declare(strict_types=1);

namespace App\Tests\Controller\Admin\AccommodationBooking;

use App\Controller\Admin\AccommodationBooking\SendOfferController;
use App\Entity\Groups\AccommodationBooking;
use App\Enum\Groups\AccommodationBookingStatus;
use App\Service\AccommodationBookingService;
use PHPUnit\Framework\TestCase;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;

/**
 * Covers the guards around sending an offer — the sending itself is tested in
 * AccommodationBookingServiceTest.
 */
class SendOfferControllerTest extends TestCase
{
    public function testGetRendersTheConfirmationModal(): void
    {
        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->expects(self::never())->method('sendOffer');

        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));

        $response = $controller->index($this->requestedBooking(), Request::create('/admin/accommodation-booking/1/send-offer'));

        self::assertSame(Response::HTTP_OK, $response->getStatusCode());
        self::assertSame('admin/accommodation_booking/modal_send_offer.html.twig', $controller->renderedView);
    }

    /**
     * @dataProvider statusesAwaitingAnOffer
     */
    public function testPostSendsTheOfferAndRedirectsTheBrowser(AccommodationBookingStatus $status): void
    {
        $booking = $this->requestedBooking();
        $booking->setStatus($status);

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

        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));

        $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));

        self::assertTrue($response->headers->has('HX-Redirect'));
    }

    /**
     * @return iterable<string, array{AccommodationBookingStatus}>
     */
    public static function statusesAwaitingAnOffer(): iterable
    {
        // The admin-authored offer and the customer's inquiry converge on the same action.
        yield 'draft' => [AccommodationBookingStatus::Draft];
        yield 'requested' => [AccommodationBookingStatus::Requested];
    }

    /**
     * @dataProvider statusesPastTheOffer
     */
    public function testABookingThatIsNotAwaitingAnOfferGetsNone(AccommodationBookingStatus $status): void
    {
        $booking = $this->requestedBooking();
        $booking->setStatus($status);

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

        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));

        $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));

        self::assertSame(Response::HTTP_FOUND, $response->getStatusCode());
    }

    /**
     * @return iterable<string, array{AccommodationBookingStatus}>
     */
    public static function statusesPastTheOffer(): iterable
    {
        yield 'open' => [AccommodationBookingStatus::Open];
        yield 'received' => [AccommodationBookingStatus::Received];
        yield 'confirmed' => [AccommodationBookingStatus::Confirmed];
        yield 'discarded' => [AccommodationBookingStatus::Discarded];
    }

    public function testPostWithAnInvalidTokenIsDenied(): void
    {
        $bookingService = $this->createMock(AccommodationBookingService::class);
        $bookingService->expects(self::never())->method('sendOffer');

        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class), tokenValid: false);

        $this->expectException(AccessDeniedException::class);

        $controller->index($this->requestedBooking(), Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));
    }

    public function testABookingWithoutAnEmailAddressGetsNoOffer(): void
    {
        // The offer only exists for the customer as the mail carrying its link, so sending
        // it nowhere would leave the booking waiting in Offen for an acceptance that cannot
        // come — the dead end this whole flow is meant to remove.
        $booking = $this->requestedBooking();
        $booking->setEmail(null);

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

        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));

        $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));

        self::assertSame(['error'], array_column($controller->flashes, 'type'));
        self::assertStringContainsString('app_admin_accommodationbooking_edit', (string) $response->headers->get('HX-Redirect'));
    }

    private function requestedBooking(): AccommodationBooking
    {
        $booking = new AccommodationBooking();
        $booking->setStatus(AccommodationBookingStatus::Requested);
        $booking->setGroupName('Schulklasse 7b');
        $booking->setEmail('customer@example.com');

        return $booking;
    }
}

final class TestableSendOfferController extends SendOfferController
{
    public ?string $renderedView = null;

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

    public function __construct(
        AccommodationBookingService $bookingService,
        LoggerInterface $logger,
        private readonly bool $tokenValid = true,
    ) {
        parent::__construct($bookingService, $logger);
    }

    protected function isCsrfTokenValid(string $id, #[\SensitiveParameter] ?string $token): bool
    {
        return $this->tokenValid;
    }

    /**
     * @param array<string, mixed> $parameters
     */
    protected function render(string $view, array $parameters = [], ?Response $response = null): Response
    {
        $this->renderedView = $view;

        return new Response();
    }

    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);
    }
}