/**
 * Haupt-Initialisierung: Event-Listener, Hash-Filter, App-Start.
 */

let allTemplates = [];

// Search-Event
document.getElementById('search').addEventListener('input', (e) => {
  currentQuery = e.target.value.toLowerCase();
  applyFilters();
});

// Close modal on overlay click
document.getElementById('modal').addEventListener('click', (e) => {
  if (e.target === e.currentTarget) closeModal();
});
document.getElementById('edit-modal').addEventListener('click', (e) => {
  if (e.target === e.currentTarget) closeEditModal();
});
document.getElementById('tune-modal').addEventListener('click', (e) => {
  if (e.target === e.currentTarget) closeTuneModal();
});

// Focus trap for edit-modal
document.getElementById('edit-modal').addEventListener('keydown', function(e) {
  if (e.key === 'Tab') { _trapFocus(e, document.getElementById('edit-modal')); }
});

// Focus trap for tune-modal
document.getElementById('tune-modal').addEventListener('keydown', function(e) {
  if (e.key === 'Tab') { _trapFocus(e, document.getElementById('tune-modal')); }
});

// Escape key closes modal
document.addEventListener('keydown', (e) => {
  if (e.key === 'Escape') { closeEditModal(); closeModal(); closeTuneModal(); }
});

// Hash -> type filter
window.addEventListener('hashchange', () => {
  currentType = parseTypeFromHash();
  applyFilters();
});

// Nav clicks set the hash; hashchange drives filtering
document.querySelectorAll('.nav a').forEach(link => {
  link.addEventListener('click', (e) => {
    e.preventDefault();
    const target = link.getAttribute('href') || '#';
    if (window.location.hash === target || (target === '#' && window.location.hash === '')) {
      return; // same target, no hashchange would fire
    }
    window.location.hash = target;
  });
});

// Set initial aria-hidden on all modals
_setAriaHidden('modal', true);
_setAriaHidden('edit-modal', true);
_setAriaHidden('tune-modal', true);

// Initial load
loadTemplates().then(t => {
  allTemplates = t;
  window.allTemplates = t;
  currentType = parseTypeFromHash();
  applyFilters();
}).catch(e => {
  console.error('Failed to load templates:', e);
  allTemplates = [];
  window.allTemplates = [];
  applyFilters();
});