<?php
// File input
$judulFile = 'judul.txt';

// Base URL situs Anda
$baseURL = 'https://www.bayspectrum.com/?id=';

// Periksa apakah file judul.txt ada
if (!file_exists($judulFile)) {
    die('File judul.txt tidak ditemukan!');
}

// Baca file judul.txt dan buat array URL
$judulList = file($judulFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);

// Waktu saat ini (untuk lastmod di sitemap)
$lastmod = date('Y-m-d');

// Jumlah maksimum URL per sitemap
$maxUrlsPerFile = 5000;

// Hitung total file sitemap yang diperlukan
$totalUrls = count($judulList);
$totalFiles = ceil($totalUrls / $maxUrlsPerFile);

// Buat sitemap index
$sitemapIndexXML = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL;
$sitemapIndexXML .= '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . PHP_EOL;

// Loop untuk membagi sitemap menjadi beberapa file
for ($i = 0; $i < $totalFiles; $i++) {
    $start = $i * $maxUrlsPerFile;
    $end = min(($i + 1) * $maxUrlsPerFile, $totalUrls);
    $sitemapFile = "sitemap" . ($i + 1) . ".xml";

    // Buat XML untuk file sitemap
    $sitemapXML = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL;
    $sitemapXML .= '<urlset' . PHP_EOL;
    $sitemapXML .= '      xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"' . PHP_EOL;
    $sitemapXML .= '      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"' . PHP_EOL;
    $sitemapXML .= '      xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9' . PHP_EOL;
    $sitemapXML .= '            http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">' . PHP_EOL;
    $sitemapXML .= '<!-- created with Free Online Sitemap Generator www.xml-sitemaps.com -->' . PHP_EOL;

    for ($j = $start; $j < $end; $j++) {
        $cleanedURL = htmlspecialchars(trim($judulList[$j]));
        $fullURL = $baseURL . $cleanedURL;

        $sitemapXML .= '  <url>' . PHP_EOL;
        $sitemapXML .= '    <loc>' . $fullURL . '</loc>' . PHP_EOL;
        $sitemapXML .= '    <lastmod>' . $lastmod . '</lastmod>' . PHP_EOL;
        $sitemapXML .= '  </url>' . PHP_EOL;
    }

    $sitemapXML .= '</urlset>';

    // Simpan file sitemap
    file_put_contents($sitemapFile, $sitemapXML);

    // Tambahkan file ke sitemap index
    $sitemapIndexXML .= '  <sitemap>' . PHP_EOL;
    $sitemapIndexXML .= '    <loc>' . $baseURL . $sitemapFile . '</loc>' . PHP_EOL;
    $sitemapIndexXML .= '    <lastmod>' . $lastmod . '</lastmod>' . PHP_EOL;
    $sitemapIndexXML .= '  </sitemap>' . PHP_EOL;
}

$sitemapIndexXML .= '</sitemapindex>';

// Simpan file sitemap index
file_put_contents('sitemap_index.xml', $sitemapIndexXML);

// Output pesan sukses
echo 'Kalau Sudah Toel Ya..: <a href="sitemap_index.xml">sitemap_index.xml</a>';
?>