department-of-veterans-affairs/vets-website

import { endOfToday, isSameDay, isBefore } from 'date-fns';

import { ITF_STATUSES, ITF_SUPPORTED_BENEFIT_TYPES } from '../constants';

import { parseDateToDateObj } from '../../../shared/utils/dates';
import { FORMAT_YMD_DATE_FNS } from '../../../shared/constants';

// expirationDate can't be undefined
export const isNotExpired = (expirationDate = '') => {
  const today = endOfToday();
  const expDate = parseDateToDateObj(expirationDate, FORMAT_YMD_DATE_FNS);
  return isSameDay(today, expDate) || isBefore(today, expDate);
};

export const isActiveITF = currentITF => {
  if (currentITF) {
    const isActive = currentITF.status === ITF_STATUSES.active;
    return isActive && isNotExpired(currentITF.expirationDate);
  }
  return false;
};

/**
 * ITF only supports "compensation" and "pension", but the subtask includes
 * "pensionSurvivorsBenefits" and we're not sure if ITF supports it
 * @param {String} benefitType - benefit type from subtask (e.g. compensation)
 * @returns
 */
export const isSupportedBenefitType = benefitType =>
  ITF_SUPPORTED_BENEFIT_TYPES.some(
    supportedType => benefitType && supportedType.startsWith(benefitType),
  );