/* ui.js — UI-вспомогательные функции */

function setText(id, value) {
  document.getElementById(id).textContent = String(value);
}

function showStatus(message, kind) {
  const el = document.getElementById('status');
  el.style.display = 'block';
  el.className = 'status ' + (kind || '');
  el.textContent = message;
}

function clearStatus() {
  const el = document.getElementById('status');
  el.style.display = 'none';
  el.className = 'status';
  el.textContent = '';
}

function h(v) {
  return String(v == null ? '' : v)
    .replaceAll('&', '&')
    .replaceAll('<', '&lt;')
    .replaceAll('>', '&gt;')
    .replaceAll('"', '&quot;')
    .replaceAll("'", '&#39;');
}

function formatTimestamp(ts) {
  if (!ts) return '—';
  var d = new Date(ts);
  if (isNaN(d.getTime())) return String(ts);
  return d.toLocaleString('ru-RU', {
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
    hour: '2-digit',
    minute: '2-digit',
    second: '2-digit'
  });
}

function timestampCell(ts) {
  var text = formatTimestamp(ts);
  return '<span class="mono" title="' + h(ts || '') + '">' + h(text) + '</span>';
}