import { BS, DATES, START_ENGLISH_DATE } from "./config";
import { splitDate } from "./utils/date";
import { BsDateSanitizer } from "./utils/dateSanitizer";
import evaluateEnglishDate from "./utils/evaluateEnglishDate";

function bsToAd(selectedDate: string) {
  selectedDate = BsDateSanitizer(selectedDate);
  const [year, month, day] = splitDate(selectedDate);

  let daysDiff = 0;
  for (let i = DATES.MIN_YEAR_BS; i <= year; i++) {
    if (i === year) {
      for (let j = DATES.MIN_MONTH; j < month; j++) {
        daysDiff += BS[i][j];
      }
      daysDiff += day - 1;
    } else {
      for (let j = DATES.MIN_MONTH; j <= DATES.MAX_MONTH; j++) {
        daysDiff += BS[i][j];
      }
    }
  }
  return evaluateEnglishDate(START_ENGLISH_DATE, daysDiff);
}

export default bsToAd;