<?php
declare(strict_types=1);

namespace Phred\Tests;

use Nyholm\Psr7\ServerRequest;
use PHPUnit\Framework\TestCase;

final class UrlExtensionNegotiationTest extends TestCase
{
    public function testJsonExtensionForcesJsonNegotiation(): void
    {
        putenv('API_FORMAT=rest');
        putenv('URL_EXTENSION_NEGOTIATION=true');
        putenv('URL_EXTENSION_WHITELIST=json|php|none');

        $root = dirname(__DIR__);
        /** @var object $app */
        $app = require $root . '/bootstrap/app.php';

        $request = new ServerRequest('GET', '/_phred/format.json');
        $response = $app->handle($request);

        $this->assertSame(200, $response->getStatusCode());
        $this->assertSame('application/json', $response->getHeaderLine('Content-Type'));
        $payload = json_decode((string) $response->getBody(), true);
        $this->assertIsArray($payload);
        $this->assertSame('rest', $payload['format'] ?? null);
    }

    public function testNoExtensionHonorsWhitelistAndDoesNotBreakRouting(): void
    {
        putenv('API_FORMAT=rest');
        putenv('URL_EXTENSION_NEGOTIATION=true');
        putenv('URL_EXTENSION_WHITELIST=json|php|none');

        $root = dirname(__DIR__);
        /** @var object $app */
        $app = require $root . '/bootstrap/app.php';

        $request = new ServerRequest('GET', '/_phred/format');
        $response = $app->handle($request);

        $this->assertSame(200, $response->getStatusCode());
        $this->assertSame('application/json', $response->getHeaderLine('Content-Type'));
        $payload = json_decode((string) $response->getBody(), true);
        $this->assertIsArray($payload);
        $this->assertSame('rest', $payload['format'] ?? null);
    }
}