const AdmZip = require("adm-zip");
function parseUDF(buffer) {
  try {
    const zip = new AdmZip(buffer);
    const zipEntries = zip.getEntries();
    const contentEntry = zipEntries.find((entry) => entry.entryName === "content.xml" || entry.entryName.endsWith(".xml"));
    if (!contentEntry) {
      throw new Error("No XML content found inside UDF/ZIP");
    }
    const xmlData = zip.readAsText(contentEntry);
    // Remove XML tags and replace with space, then replace multiple spaces with single space
    const plainText = xmlData.replace(/<[^>]+>/g, " ").replace(/\s+/g, " ").trim();
    return plainText;
  } catch (err) {
    console.error("UDF parse error:", err);
    return "";
  }
}
console.log("ok");