export function formatDuration(ms: number): string {
  const sec = Math.floor(ms / 1000);
  const m = Math.floor(sec / 60);
  const s = sec % 60;
  return `${m}:${s.toString().padStart(2, '0')}`;
}

export function formatTime(sec: number): string {
  if (!sec || isNaN(sec)) return '0:00';
  const m = Math.floor(sec / 60);
  const s = Math.floor(sec % 60);
  return `${m}:${s.toString().padStart(2, '0')}`;
}

export function formatPlayCount(count: number): string {
  if (!count) return '0';
  if (count >= 100000000) return (count / 100000000).toFixed(1) + '亿';
  if (count >= 10000) return (count / 10000).toFixed(1) + '万';
  return count.toString();
}