function getMetaValue(propName) {
  const meta = Array.from(document.getElementsByTagName("meta")).find(
    (meta) =>
      meta.getAttribute("property") === propName ||
      meta.getAttribute("name") === propName
  );
  return meta ? meta.getAttribute("content") : undefined;
}

function extractMetadata() {
  const title = document.title;
  const url = window.location.href;
  const description =
    getMetaValue("og:description") || getMetaValue("description");

  return { title, url, description };
}

browser.runtime.onMessage.addListener(function (request, sender, sendResponse) {
  if (request.action === "getMetadata") {
    sendResponse(extractMetadata());
  }
});