<?php

declare(strict_types=1);

namespace App\Tests\Controller\Groups\Booking;

use App\Controller\Groups\Booking\IndexController;
use App\Service\AccommodationBookingService;
use App\Service\AccommodationSessionManager;
use PHPUnit\Framework\TestCase;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;

class IndexControllerTest extends TestCase
{
    public function testSuccessRendersAndConsumesFlashOnFirstLoad(): void
    {
        $session = new Session(new MockArraySessionStorage());
        $session->getFlashBag()->add('groups_booking_result', 'booking');

        $request = Request::create('/groups/booking/success', 'GET');
        $request->setSession($session);

        $controller = $this->makeController();

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

        self::assertSame(200, $response->getStatusCode());
        self::assertSame('groups/booking/success.html.twig', $controller->renderedView);
        self::assertSame('booking', $controller->renderedParameters['resultType']);
        // The flash is read-once: a second read on the same request returns nothing.
        self::assertSame([], $session->getFlashBag()->get('groups_booking_result'));
    }

    public function testSuccessRedirectsToLoginWhenFlashIsMissing(): void
    {
        $session = new Session(new MockArraySessionStorage());

        $request = Request::create('/groups/booking/success', 'GET');
        $request->setSession($session);

        $controller = $this->makeController();

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

        self::assertInstanceOf(RedirectResponse::class, $response);
        self::assertSame('/app_login', $response->headers->get('Location'));
    }

    private function makeController(): TestableAccommodationIndexController
    {
        return new TestableAccommodationIndexController(
            $this->createStub(AccommodationBookingService::class),
            $this->createStub(AccommodationSessionManager::class),
        );
    }
}

final class TestableAccommodationIndexController extends IndexController
{
    /**
     * @var array<string, mixed>
     */
    public array $renderedParameters = [];

    public string $renderedView = '';

    /**
     * @param array<string, mixed> $parameters
     */
    protected function redirectToRoute(string $route, array $parameters = [], int $status = 302): RedirectResponse
    {
        return new RedirectResponse('/'.$route, $status);
    }

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

        return new Response('ok');
    }
}