(async () => {
  const toAbs = href => new URL(href, location.origin).href;

  function parseDoc(doc) {
    const rows = [...doc.querySelectorAll('table tr')].filter(tr => tr.querySelectorAll('td').length);
    return rows.map(tr => {
      const link = tr.querySelector('a[href*="event?e="]');
      if (!link) return null;
      const u = new URL(link.getAttribute('href'), location.origin);
      const d = u.searchParams.get('d'); // deck ID
      const tds = tr.querySelectorAll('td');
      return {
        deck_title: link.textContent.trim(),
        player: (tds[1]?.innerText || '').trim(),
        deck_id: d ? Number(d) : null
      };
    }).filter(Boolean);
  }

  // parse current page
  const firstPage = parseDoc(document);

  // find total pages
  const pageNums = [...document.querySelectorAll('a[href*="current_page="]')]
    .map(a => Number(new URL(a.href).searchParams.get('current_page')))
    .filter(n => Number.isFinite(n));
  const maxPage = pageNums.length ? Math.max(...pageNums) : 1;

  const all = [...firstPage];
  const cur = new URL(location.href).searchParams.get('current_page') || '';
  const base = new URL(location.href);

  // get all pages
  for (let p = 1; p <= maxPage; p++) {
    if (String(p) === cur) continue;
    base.searchParams.set('current_page', String(p));
    const html = await fetch(base.href, { credentials: 'include' }).then(r => r.text());
    const doc = new DOMParser().parseFromString(html, 'text/html');
    all.push(...parseDoc(doc));
  }

  // fetch and print each deck
  for (const deck of all) {
    if (!deck.deck_id) continue;
    const txt = await fetch(`/dec?d=${deck.deck_id}`).then(r => r.text());
    console.log(`===== ${deck.deck_title} — ${deck.player} =====\n${txt}\n`);
  }
})();