{% extends "base.html" %}
{% block title %}Corbeille{% endblock %}

{% block content %}

<section class="card">
  <div class="trash-header">
    <h2>Corbeille
      {% if entries %}
        <span class="trash-count-label">— {{ entries|length }} fichier{{ 's' if entries|length > 1 else '' }}</span>
      {% endif %}
    </h2>
    {% if entries %}
    <form method="post" action="{{ url_for('trash_empty') }}"
          onsubmit="return confirm('Vider définitivement toute la corbeille ?')">
      <button type="submit" class="btn btn-danger">Vider la corbeille</button>
    </form>
    {% endif %}
  </div>
  <p class="trash-info">Les fichiers sont supprimés définitivement après 30 jours.</p>

  {% if entries %}
  <div class="trash-toolbar">
    <input type="search" id="trash-filter" class="trash-filter" placeholder="Filtrer par nom…" autocomplete="off">
    <button type="button" class="trash-sort-btn active" data-sort="date-desc">Date ▼</button>
    <button type="button" class="trash-sort-btn" data-sort="name-asc">Nom ↑</button>
    <button type="button" class="trash-sort-btn" data-sort="size-desc">Taille ▼</button>
  </div>
  <div id="trash-batch-bar" class="trash-batch-bar">
    <span class="trash-select-count" id="batch-count">0 sélectionné(s)</span>
    <button type="button" id="btn-restore-batch" class="btn btn-sm">♻️ Restaurer</button>
    <button type="button" id="btn-delete-batch"  class="btn btn-sm btn-danger">🗑 Supprimer</button>
  </div>
  {% set mode = 'trash' %}
  {% include '_file_table.html' %}
  {% else %}
  <p class="empty">La corbeille est vide.</p>
  {% endif %}
</section>

<div id="restore-conflict-panel" class="conflict-panel" style="display:none">
  <p class="conflict-title">⚠ Un fichier existe déjà à cet emplacement : <strong id="restore-conflict-name"></strong></p>
  <div class="resize-chips resize-chips--radio">
    <label class="chip"><input type="radio" name="restore-conflict" value="overwrite" checked><span>Écraser</span></label>
    <label class="chip"><input type="radio" name="restore-conflict" value="rename"><span>Renommer</span></label>
  </div>
  <div class="conflict-actions">
    <button type="button" id="restore-confirm" class="btn btn-primary">Confirmer la restauration</button>
    <button type="button" id="restore-cancel"  class="btn-rename-cancel">Annuler</button>
  </div>
</div>

<script>
(function () {
  const RESTORE_URL       = {{ url_for('trash_restore')       | tojson }};
  const RESTORE_BATCH_URL = {{ url_for('trash_restore_batch') | tojson }};
  const DELETE_BATCH_URL  = {{ url_for('trash_delete_batch')  | tojson }};
  const conflictPanel  = document.getElementById('restore-conflict-panel');
  const conflictName   = document.getElementById('restore-conflict-name');
  const confirmBtn     = document.getElementById('restore-confirm');
  const cancelBtn      = document.getElementById('restore-cancel');
  let   pendingPath    = null;

  async function doRestore(path, conflict) {
    const fd = new FormData();
    fd.append('path', path);
    if (conflict) fd.append('conflict', conflict);
    try {
      const resp = await fetch(RESTORE_URL, { method: 'POST', body: fd });
      if (resp.status === 409) {
        pendingPath = path;
        conflictName.textContent = path.split('/').pop();
        conflictPanel.style.display = 'block';
        conflictPanel.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
        return;
      }
      if (resp.redirected) { window.location.href = resp.url; return; }
      if (resp.ok)         { window.location.href = resp.url || window.location.href; return; }
      alert('Erreur lors de la restauration.');
    } catch (_) {
      alert('Erreur réseau.');
    }
  }

  document.addEventListener('click', e => {
    const btn = e.target.closest('.btn-restore');
    if (!btn) return;
    doRestore(btn.dataset.path, '');
  });

  confirmBtn.addEventListener('click', () => {
    const strategy = document.querySelector('input[name="restore-conflict"]:checked')?.value || 'overwrite';
    conflictPanel.style.display = 'none';
    if (pendingPath) doRestore(pendingPath, strategy);
    pendingPath = null;
  });

  cancelBtn.addEventListener('click', () => {
    conflictPanel.style.display = 'none';
    pendingPath = null;
  });

  /* ── Filtre ── */
  const filterIn = document.getElementById('trash-filter');
  const tbody = document.querySelector('#file-table tbody');
  filterIn?.addEventListener('input', () => {
    const q = filterIn.value.trim().toLowerCase();
    tbody?.querySelectorAll('tr').forEach(row => {
      row.style.display = (!q || (row.dataset.name || '').includes(q)) ? '' : 'none';
    });
    updateBatchBar();
  });

  /* ── Tri ── */
  let currentSort = 'date-desc';
  document.querySelectorAll('.trash-sort-btn').forEach(btn => {
    btn.addEventListener('click', () => {
      document.querySelectorAll('.trash-sort-btn').forEach(b => b.classList.remove('active'));
      btn.classList.add('active');
      currentSort = btn.dataset.sort;
      sortTable(currentSort);
    });
  });

  function sortTable(key) {
    if (!tbody) return;
    const rows = Array.from(tbody.querySelectorAll('tr'));
    rows.sort((a, b) => {
      if (key === 'name-asc')  return (a.dataset.name || '').localeCompare(b.dataset.name || '');
      if (key === 'size-desc') return parseInt(b.dataset.size || 0, 10) - parseInt(a.dataset.size || 0, 10);
      /* date-desc */ return (b.dataset.date || '').localeCompare(a.dataset.date || '');
    });
    rows.forEach(r => tbody.appendChild(r));
  }

  /* ── Sélection multiple ── */
  const selectAll = document.getElementById('select-all-cb');
  const batchBar  = document.getElementById('trash-batch-bar');
  const batchCount = document.getElementById('batch-count');

  function selectedCbs() {
    return Array.from(document.querySelectorAll('.row-cb:checked'));
  }

  function updateBatchBar() {
    const sel = selectedCbs().length;
    if (batchBar) batchBar.classList.toggle('visible', sel > 0);
    if (batchCount) batchCount.textContent = `${sel} sélectionné(s)`;
    if (selectAll) {
      const all = document.querySelectorAll('.row-cb:not(:disabled)').length;
      selectAll.indeterminate = sel > 0 && sel < all;
      selectAll.checked = sel > 0 && sel === all;
    }
  }

  selectAll?.addEventListener('change', () => {
    document.querySelectorAll('.row-cb').forEach(cb => {
      const row = cb.closest('tr');
      if (!row || row.style.display !== 'none') cb.checked = selectAll.checked;
    });
    updateBatchBar();
  });

  document.addEventListener('change', e => {
    if (e.target.classList.contains('row-cb')) updateBatchBar();
  });

  /* ── Restaurer la sélection ── */
  document.getElementById('btn-restore-batch')?.addEventListener('click', async () => {
    const paths = selectedCbs().map(cb => cb.dataset.path);
    if (!paths.length) return;
    const fd = new FormData();
    paths.forEach(p => fd.append('paths', p));
    try {
      const j = await fetch(RESTORE_BATCH_URL, { method: 'POST', body: fd }).then(r => r.json());
      const msg = `${j.ok || 0} fichier(s) restauré(s)` + (j.conflict?.length ? `, ${j.conflict.length} conflit(s) ignoré(s)` : '') + (j.error ? `, ${j.error} erreur(s)` : '');
      alert(msg);
      location.reload();
    } catch { alert('Erreur réseau.'); }
  });

  /* ── Supprimer la sélection ── */
  document.getElementById('btn-delete-batch')?.addEventListener('click', async () => {
    const cbs = selectedCbs();
    if (!cbs.length) return;
    const names = cbs.map(cb => cb.dataset.name).join(', ');
    if (!confirm(`Supprimer définitivement ${cbs.length} fichier(s) ?\n${names}`)) return;
    const fd = new FormData();
    cbs.forEach(cb => fd.append('paths', cb.dataset.path));
    try {
      await fetch(DELETE_BATCH_URL, { method: 'POST', body: fd });
      location.reload();
    } catch { alert('Erreur réseau.'); }
  });
})();
</script>

{% endblock %}