/* Module galerie */

async function chargerGalerie() {
  const photos = await apiGet('/api/galerie');
  const grille = document.getElementById('grille-galerie');
  grille.innerHTML = '';

  if (photos.length === 0) {
    grille.innerHTML = '<p style="color:var(--texte-secondaire);grid-column:1/-1;text-align:center">Aucune photo pour le moment</p>';
    return;
  }

  for (const photo of photos) {
    const img = document.createElement('img');
    img.src = '/' + photo.chemin;
    img.alt = photo.nom;
    img.loading = 'lazy';
    img.addEventListener('click', () => voirPhoto(photo));
    grille.appendChild(img);
  }
}

function voirPhoto(photo) {
  photoFinale = photo.nom;
  document.getElementById('photo-partage').src = '/' + photo.chemin;
  allerA('partage');
}

/* --- Admin gallery --- */

let adminGaleriePhotos = [];
let adminGalerieSelection = new Set();

async function chargerAdminGalerie() {
  const photos = await apiGet('/api/galerie');
  adminGaleriePhotos = photos;
  adminGalerieSelection.clear();
  const grille = document.getElementById('admin-galerie-grille');
  grille.innerHTML = '';

  if (photos.length === 0) {
    grille.innerHTML = '<p style="color:var(--texte-secondaire);grid-column:1/-1;text-align:center">Aucune photo</p>';
    majAdminGalerieSelection();
    return;
  }

  for (const photo of photos) {
    const wrap = document.createElement('div');
    wrap.style.cssText = 'position:relative;cursor:pointer';
    wrap.dataset.nom = photo.nom;

    const img = document.createElement('img');
    img.src = '/' + photo.chemin;
    img.alt = photo.nom;
    img.loading = 'lazy';
    img.style.cssText = 'width:100%;border-radius:8px;display:block';

    const check = document.createElement('div');
    check.className = 'admin-galerie-check';
    check.textContent = '✓';

    wrap.appendChild(img);
    wrap.appendChild(check);
    wrap.addEventListener('click', () => toggleAdminGaleriePhoto(photo.nom, wrap));
    grille.appendChild(wrap);
  }
  majAdminGalerieSelection();
}

function toggleAdminGaleriePhoto(nom, wrap) {
  if (adminGalerieSelection.has(nom)) {
    adminGalerieSelection.delete(nom);
    wrap.querySelector('.admin-galerie-check').classList.remove('visible');
  } else {
    adminGalerieSelection.add(nom);
    wrap.querySelector('.admin-galerie-check').classList.add('visible');
  }
  majAdminGalerieSelection();
}

function adminGalerieSelectAll() {
  const grille = document.getElementById('admin-galerie-grille');
  for (const photo of adminGaleriePhotos) {
    adminGalerieSelection.add(photo.nom);
  }
  grille.querySelectorAll('.admin-galerie-check').forEach(c => c.classList.add('visible'));
  majAdminGalerieSelection();
}

function adminGalerieDeselectAll() {
  adminGalerieSelection.clear();
  const grille = document.getElementById('admin-galerie-grille');
  grille.querySelectorAll('.admin-galerie-check').forEach(c => c.classList.remove('visible'));
  majAdminGalerieSelection();
}

function majAdminGalerieSelection() {
  const span = document.getElementById('admin-galerie-selection');
  const n = adminGalerieSelection.size;
  span.textContent = n > 0 ? n + ' selectionnee' + (n > 1 ? 's' : '') : '';
}

async function adminGalerieImprimer() {
  const noms = [...adminGalerieSelection];
  if (noms.length === 0) return;
  if (!confirm('Imprimer ' + noms.length + ' photo' + (noms.length > 1 ? 's' : '') + ' ?')) return;

  let ok = 0, fail = 0, termine = false;
  for (const nom of noms) {
    try {
      const r = await apiPost('/api/imprimer', { photo: nom });
      if (r && r.succes) ok++;
      else if (r && r.erreur === 'evenement_termine') { termine = true; break; }
      else fail++;
    } catch { fail++; }
  }
  if (termine) {
    alert('Evenement termine — impression desactivee. Les photos ne seront pas imprimees.');
  } else {
    alert('Impression : ' + ok + ' OK' + (fail > 0 ? ', ' + fail + ' echec' : ''));
  }
}