export function incrementInvoiceNumber(lastInvoiceNumber?: string): string {
  if (!lastInvoiceNumber) return '';

  // Extract the year and number parts
  const number = parseInt(lastInvoiceNumber, 10);

  // Increment the number
  const incrementedNumber = number + 1;

  // Format it back into the original format with leading zeros (assuming a max of 3 digits)
  const formattedNumber = incrementedNumber.toString();

  return formattedNumber;
}