import { DateFormat } from '@/localization/constants/DateFormat';

export const detectDateFormat = (): keyof typeof DateFormat => {
  const date = new Date();
  const formatter = new Intl.DateTimeFormat(navigator.language);
  const parts = formatter.formatToParts(date);

  const partOrder = parts
    .filter((part) => ['year', 'month', 'day'].includes(part.type))
    .map((part) => part.type);

  if (partOrder[0] === 'month') return 'MONTH_FIRST';
  if (partOrder[0] === 'day') return 'DAY_FIRST';
  if (partOrder[0] === 'year') return 'YEAR_FIRST';

  return 'MONTH_FIRST';
};