export const getFullUrl = (url?: string) => {
  const BASE_URL = 'https://sg-delivery-api.convexsol.co';
  if (!url) return '';
  return url.startsWith('/') ? `${BASE_URL}${url}` : url;
};

export const isPdf = (fileNameOrUrl?: string) => {
  if (!fileNameOrUrl) return false;
  const clean = fileNameOrUrl.toLowerCase().split('?')[0];
  return clean.endsWith('.pdf');
};

export const maskAccountNumber = (num: string): string => {
  if (!num || num.length <= 4) return num;
  const masked = '•'.repeat(num.length - 4);
  return masked + num.slice(-4);
};