import {trie} from "./thalia_lib.ts"

function titel(book: HTMLElement) {
  return book.getElementsByClassName(
    "element-text-standard-black tm-artikeldetails__titel",
  )[0].innerHTML.toLowerCase();
}

function clean() {
  const books: HTMLCollectionOf<HTMLElement> = document.getElementsByClassName(
    "tm-produktliste__eintrag artikel",
  );
  const not_found: string[] = [];
  let removed = 0;
  for (const book of books) {
    if (book === null) continue;
    if (book.style.display == "none") {
      continue;
    }
    if (trie.startsWith(titel(book))) {
      book.style.display = "none";
      removed += 1;
    } else not_found.push(titel(book));
  }
  const artikel = document.getElementsByClassName("sichtbare-artikel");
  if (artikel.length != 0) {
    artikel[0].innerHTML = not_found.length.toString();
  }
  console.debug(artikel);
  console.debug("titel nicht in der blacklist:", not_found);
}

async function run() {
  GM_registerMenuCommand("Clean results", function (event: Event) {
    console.debug(event);
    event.preventDefault();
    clean();
  }, "c");
  const button = document.getElementsByTagName("suche-button-mehr-laden");
  if (button.length != 0) {
    for (let i = 0; i < 10; i++) await button[0].load();
  }
  clean();
}
run();