export type MonthYear = {
  month: number;
  year: number;
};

export function monthYearToSpan(monthYear: MonthYear) {
  const date = new Date(monthYear.year, monthYear.month - 1);
  const lastMonth = new Date(date.getFullYear(), date.getMonth(), 0);
  const threeMonthsAgo = new Date(date.getFullYear(), date.getMonth() - 3, 1);

  return {
    from: {
      month: threeMonthsAgo.getMonth() + 1,
      year: threeMonthsAgo.getFullYear(),
    },
    to: {
      month: lastMonth.getMonth() + 1,
      year: lastMonth.getFullYear(),
    },
    value: {
      month: date.getMonth() + 1,
      year: date.getFullYear(),
    },
  };
}