<?php
header('Content-Type: application/xml; charset=utf-8');
$host = $_SERVER['HTTP_HOST'] ?? ($_SERVER['SERVER_NAME'] ?? '');
$host = preg_replace('/[^A-Za-z0-9.\-:]/', '', $host);
$scheme = ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') || (($_SERVER['HTTP_X_FORWARDED_PROTO'] ?? '') === 'https')) ? 'https' : 'http';
$base = $host ? $scheme . '://' . $host : '';
$today = date('Y-m-d');
$urls = [
    ['/', '1.0'],
    ['/street-diary/', '0.8'],
    ['/music-room/', '0.8'],
    ['/ai-workshop/', '0.8'],
    ['/show-stage/', '0.8'],
    ['/youth-topics/', '0.8'],
    ['/data/home-modules.json', '0.5'],
    ['/data/brand-trend.json', '0.5'],
    ['/data/video-plaza.json', '0.5'],
    ['/data/faq.json', '0.5'],
    ['/data/contact.json', '0.5'],
    ['/data/reviews.json', '0.5']
];
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
echo "<urlset>\n";
foreach ($urls as $item) {
    echo "  <url>\n";
    echo "    <loc>" . htmlspecialchars($base . $item[0], ENT_XML1, 'UTF-8') . "</loc>\n";
    echo "    <lastmod>" . $today . "</lastmod>\n";
    echo "    <changefreq>daily</changefreq>\n";
    echo "    <priority>" . $item[1] . "</priority>\n";
    echo "  </url>\n";
}
echo "</urlset>\n";
?>
