<?php
declare(strict_types=1);

namespace Tests\Shared;

use App\Shared\Http\ClientIpResolver;
use PHPUnit\Framework\TestCase;
use Slim\Psr7\Factory\ServerRequestFactory;

#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
final class ClientIpResolverCoverageTest extends TestCase
{
    public function testResolveReturnsRemoteAddrWhenTrustedProxyHasNoForwardedHeader(): void
    {
        $request = (new ServerRequestFactory())->createServerRequest('GET', '/', [
            'REMOTE_ADDR' => '127.0.0.1',
        ]);

        $resolver = new ClientIpResolver(['127.0.0.1']);

        self::assertSame('127.0.0.1', $resolver->resolve($request));
    }

    public function testResolveTrimsForwardedIpWhenProxyWildcardIsTrusted(): void
    {
        $request = (new ServerRequestFactory())->createServerRequest('GET', '/', [
            'REMOTE_ADDR' => '10.0.0.1',
            'HTTP_X_FORWARDED_FOR' => ' 203.0.113.77  , 198.51.100.12',
        ]);

        $resolver = new ClientIpResolver(['*']);

        self::assertSame('203.0.113.77', $resolver->resolve($request));
    }
}