<?php
declare(strict_types=1);

namespace Tests\Shared;

use App\Shared\Http\RequestContext;
use PHPUnit\Framework\TestCase;

#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
final class RequestContextTest extends TestCase
{
    public function testIsHttpsReturnsTrueWhenNativeHttpsFlagIsEnabled(): void
    {
        self::assertTrue(RequestContext::isHttps([
            'HTTPS' => 'on',
        ]));
    }

    public function testIsHttpsReturnsTrueWhenTrustedProxyForwardsHttps(): void
    {
        self::assertTrue(RequestContext::isHttps([
            'REMOTE_ADDR' => '127.0.0.1',
            'HTTP_X_FORWARDED_PROTO' => 'https, http',
        ], ['127.0.0.1']));
    }

    public function testIsHttpsIgnoresForwardedProtoWhenProxyIsNotTrusted(): void
    {
        self::assertFalse(RequestContext::isHttps([
            'REMOTE_ADDR' => '10.0.0.5',
            'HTTP_X_FORWARDED_PROTO' => 'https',
        ], ['127.0.0.1']));
    }

    public function testTrustedProxiesFromEnvironmentTrimsValues(): void
    {
        self::assertSame(['127.0.0.1', '::1'], RequestContext::trustedProxiesFromEnvironment([
            'TRUSTED_PROXIES' => ' 127.0.0.1 , ::1 ',
        ]));
    }

    public function testTrustedProxiesFromEnvironmentFallsBackToProcessEnvWhenDotenvValueIsBlank(): void
    {
        putenv('TRUSTED_PROXIES=*');

        try {
            self::assertSame(['*'], RequestContext::trustedProxiesFromEnvironment([
                'TRUSTED_PROXIES' => '',
            ]));
        } finally {
            putenv('TRUSTED_PROXIES');
        }
    }
}