import { getBaseYearSet } from "./lib/getBaseYearSet";
import { AdventusDate } from "./types";
import { fillInDays } from "./lib/fillInDays";
import { differenceInDays } from "date-fns";

export const today = (date: Date): AdventusDate => {
  const churchYear = fillInDays(getBaseYearSet(date.getFullYear()));
  const firstDate = churchYear[0];

  const dateIdx = differenceInDays(date, firstDate.date);
  return churchYear[dateIdx];
};