<?php
// api/config.php - Serve safe config values to frontend
define('CYBERCHAT_API', true);
require_once __DIR__ . '/../bootstrap.php';
sendCorsHeaders();

header('Content-Type: application/json');
header('Cache-Control: no-store');

$config = getConfig();

// Only expose safe/needed values to frontend
$safe = [
    'chat' => [
        'max_message_length' => $config['chat']['max_message_length'] ?? 500,
        'max_username_length' => $config['chat']['max_username_length'] ?? 12,
        'poll_interval_ms'    => $config['chat']['poll_interval_ms'] ?? 2000,
    ],
    'ui' => $config['ui'] ?? [],
    'security' => [
        'min_password_length' => $config['security']['min_password_length'] ?? 4,
    ],
    'colors' => $config['colors'] ?? [],
    'voice' => [
        'enabled' => $config['voice']['enabled'] ?? true,
        'max_duration_seconds' => $config['voice']['max_duration_seconds'] ?? 60,
        'max_upload_bytes' => $config['voice']['max_upload_bytes'] ?? 12582912,
        'auto_play_default' => $config['voice']['auto_play_default'] ?? true,
    ],
];

echo json_encode($safe);