export function formatCurrency(value) {
  const number = Number(value || 0);
  return `¥${number.toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
}

export function formatNumber(value, digits = 2) {
  return Number(value || 0).toLocaleString('zh-CN', { minimumFractionDigits: digits, maximumFractionDigits: digits });
}

export function formatPercent(value) {
  const number = Number(value || 0);
  return `${number > 0 ? '+' : ''}${number.toFixed(2)}%`;
}

export function formatDateTime(value) {
  if (!value) return '--';
  const date = new Date(value);
  if (Number.isNaN(date.getTime())) return String(value);
  return new Intl.DateTimeFormat('zh-CN', {
    year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', hour12: false,
  }).format(date).replaceAll('/', '-');
}

export function valueClass(value) {
  const number = Number(value || 0);
  if (number > 0) return 'value--positive';
  if (number < 0) return 'value--negative';
  return 'value--muted';
}

export function escapeHtml(value) {
  const node = document.createElement('span');
  node.textContent = String(value ?? '');
  return node.innerHTML;
}