/**
 * Formats bytes into a human-readable string.
 * @param bytes - Size in bytes
 * @param decimals - Number of decimal places
 * @returns Formatted size string
 */
export function formatBytes(bytes: number, decimals = 2) {
  if (!+bytes) return '0 Bytes';

  const k = 1024;
  const dm = decimals < 0 ? 0 : decimals;
  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];

  const i = Math.floor(Math.log(bytes) / Math.log(k));

  return `${parseFloat((bytes / Math.pow(k, i)).toFixed(dm))} ${sizes[i]}`;
}

/**
 * Formats an ISO timestamp into a readable date and time.
 * @param timestamp - ISO string timestamp
 * @returns Formatted date string
 */
export function formatDate(timestamp: string) {
  try {
    const date = new Date(timestamp);
    return new Intl.DateTimeFormat('en-US', {
      year: 'numeric',
      month: 'short',
      day: 'numeric',
      hour: '2-digit',
      minute: '2-digit',
      second: '2-digit',
      timeZoneName: 'short',
    }).format(date);
  } catch {
    return timestamp;
  }
}