/**
 * Bratonien Adventskalender – Türchen-Positionierung (2025)
 * ---------------------------------------------------------
 * Liest data-top / data-left / data-width aus jedem .fluegel und .openfield
 * und positioniert die Elemente exakt auf dem sichtbaren Bild.
 */

function positionAllDoors() {
  const cont = document.querySelector('.kalenderbild');
  const img  = cont?.querySelector('img');
  if (!cont || !img) return;

  const imgRect  = img.getBoundingClientRect();
  const contRect = cont.getBoundingClientRect();

  // Flügel (bei Doppeltüren) positionieren
  document.querySelectorAll('.fluegel').forEach(flg => {
    const day      = flg.dataset.day;
    const topPct   = parseFloat(flg.dataset.top)   || 0;
    const leftPct  = parseFloat(flg.dataset.left)  || 0;
    const widthPct = parseFloat(flg.dataset.width) || 10;

    const w = imgRect.width * (widthPct / 100);
    const h = w * 2; // Flügel doppelt so hoch wie breit

    flg.style.position = 'absolute';
    flg.style.width    = w + 'px';
    flg.style.height   = h + 'px';
    flg.style.top      = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
    flg.style.left     = (imgRect.width * (leftPct / 100) + (contRect.width - imgRect.width) / 2) + 'px';
  });

  // Openfields korrekt positionieren
  document.querySelectorAll('.openfield').forEach(field => {
    const day      = field.dataset.day;
    const topPct   = parseFloat(field.dataset.top)   || 0;
    const leftPct  = parseFloat(field.dataset.left)  || 0;
    const widthPct = parseFloat(field.dataset.width) || 10;

    const w = imgRect.width * (widthPct / 100);

    const hasFluegel = document.querySelector(`.fluegel[data-day="${day}"]`);
    const h = hasFluegel ? w * 2 : w;

    field.style.position = 'absolute';
    field.style.width  = w + 'px';
    field.style.height = h + 'px';
    field.style.top  = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
    field.style.left = (imgRect.width * (leftPct / 100) + (contRect.width - imgRect.width) / 2) + 'px';
  });
}

window.addEventListener('load', positionAllDoors);
window.addEventListener('resize', positionAllDoors);
window.addEventListener('orientationchange', () => {
  setTimeout(positionAllDoors, 300);
});
document.addEventListener('visibilitychange', () => {
  if (document.visibilityState === 'visible') {
    setTimeout(positionAllDoors, 200);
  }
});