import { format } from 'date-fns';

/**
 * Formats a date-time string or Date object into a standardized "yyyy-MM-dd HH:mm:ss" format.
 * If the input is invalid or null, it returns an empty string.
 *
 * @param dateTime The date-time to format (string, Date, or null/undefined).
 * @returns The formatted date-time string or an empty string.
 */
export function formatDateTime(dateTime: string | Date | null | undefined): string {
  if (!dateTime) {
    return '';
  }
  try {
    return format(new Date(dateTime), 'yyyy-MM-dd HH:mm:ss');
  } catch (error) {
    console.error('Error formatting date:', error);
    return '';
  }
}