// === CONFIG ===
const WIKI_API = 'https://wiki.arenos.danielnagel.at/api.php'; // dein Wiki-Host (mit index.php)
const CATEGORY_TITLE = 'Kategorie:Orte';                          // Hauptkategorie
const MAX_PAGES = 500;                                            // genug Luft

// Hilfsfunktion: MediaWiki API-URL bauen
function apiURL(params) {
  const u = new URL(WIKI_API);
  u.search = new URLSearchParams({ ...params, format: 'json', origin: '*' }).toString();
  return u.toString();
}

// 1) Alle Mitglieder einer Kategorie holen
async function fetchCategoryMembers(categoryTitle) {
  const url = apiURL({
    action: 'query',
    list: 'categorymembers',
    cmtitle: categoryTitle,
    cmlimit: String(MAX_PAGES)
  });
  const res = await fetch(url);
  if (!res.ok) throw new Error(`categorymembers failed: ${res.status}`);
  const data = await res.json();
  return data?.query?.categorymembers || [];
}

// 2) Gerendertes HTML einer Seite holen (damit <div class="place-data"> drin ist)
async function fetchPageHTML(title) {
  const url = apiURL({
    action: 'parse',
    page: title,
    prop: 'text'
  });
  const res = await fetch(url);
  if (!res.ok) throw new Error(`parse failed for ${title}: ${res.status}`);
  const data = await res.json();
  const html = data?.parse?.text?.['*'] || '';
  const div = document.createElement('div');
  div.innerHTML = html;
  return div;
}

// 3) Daten aus dem versteckten Div extrahieren
function extractPlaceData(container) {
  const node = container.querySelector('.place-data');
  if (!node) return null;
  const name = node.getAttribute('data-name') || '';
  const xStr = node.getAttribute('data-x') || '';
  const yStr = node.getAttribute('data-y') || '';
  const desc = node.getAttribute('data-description') || '';
  const link = node.getAttribute('data-link') || '';
  const x = parseFloat(xStr);
  const y = parseFloat(yStr);
  if (Number.isNaN(x) || Number.isNaN(y)) return null;
  return { name, x, y, desc, link };
}

// 4) Marker laden + hinzufügen
async function loadWikiMarkers(map) {
  try {
    const pages = await fetchCategoryMembers(CATEGORY_TITLE);

    // Optionales Bounding, falls du später auto-fit willst
    const layers = [];
    for (const p of pages) {
      try {
        const html = await fetchPageHTML(p.title);
        const d = extractPlaceData(html);
        if (!d) continue;

        // Leaflet: Bei CRS.Simple = [y, x]
        const m = L.marker([d.y, d.x]).addTo(map);
        const wikiLink = d.link || `https://wiki.arenos.danielnagel.at/index.php/${encodeURIComponent(p.title)}`;
        const popup = `
          <b>${d.name || p.title}</b><br>
          ${d.desc ? `${d.desc}<br>` : ''}
          <a href="${wikiLink}" target="_blank" rel="noopener">Open in Wiki</a>
        `;
        m.bindPopup(popup);
        layers.push(m);

      } catch (e) {
        console.warn('skip page due to parse error:', p.title, e);
      }
    }

  } catch (e) {
    console.error('Failed to load wiki markers:', e);
  }
}