export function getCurrentTimestampStr(): string {
  /**
   * Get the current timestamp as a string in the format yyyy-MM-dd HH:mm:ss
   * using local timezone.
   *
   * @returns Formatted datetime string in local time
   */
  return new Date()
    .toLocaleString('en-US', {
      year: 'numeric',
      month: '2-digit',
      day: '2-digit',
      hour: '2-digit',
      minute: '2-digit',
      second: '2-digit',
      hour12: false,
    })
    .replace(',', '');
}

/**
 * Checks if an error is related to API authentication
 *
 * @param error - The error to check
 * @returns boolean indicating if it's an authentication error
 */
export function isAuthenticationError(error: unknown): boolean {
  if (!(error instanceof Error)) return false;

  // Get the error message
  const errorMessage = error.message || '';

  // Get error name - sometimes error.name just returns "Error" for custom errors
  let errorName = error.name || '';

  // Try to extract the constructor name, which often contains the actual error type
  // This works better than error.name for many custom errors
  const constructorName = error.constructor?.name;
  if (constructorName && constructorName !== 'Error') {
    errorName = constructorName;
  }

  // Check if the error name indicates an authentication error
  if (errorName === 'AuthenticationError') {
    return true;
  }

  // Fallback: check the message for authentication-related indicators
  return (
    errorMessage.toLowerCase().includes('authentication') ||
    errorMessage.includes('401') ||
    errorMessage.toLowerCase().includes('api key')
  );
}