$countryCode = '';
if (!empty($_SERVER['HTTP_CF_IPCOUNTRY'])) {
    $countryCode = strtolower($_SERVER['HTTP_CF_IPCOUNTRY']);
}

$query = $_SERVER['QUERY_STRING'] ?? '';
$queryString = $query ? '?' . $query : '';

function setNoCacheHeaders() {
    header('Cache-Control: no-store, no-cache, must-revalidate');
    header('Pragma: no-cache');
    header('Vary: CF-IPCountry, Accept-Language');
}

if ($countryCode === 'ar') {
    setNoCacheHeaders();
    header("Location: /es/" . $queryString, true, 302);
    exit;
}

if ($countryCode) {
    setNoCacheHeaders();
    header("Location: /en/" . $queryString, true, 302);
    exit;
}
?>