department-of-veterans-affairs/vets-website

import PropTypes from 'prop-types';
import React from 'react';
import { VaTelephone } from '@department-of-veterans-affairs/component-library/dist/react-bindings';
import { ELIGIBILITY_REASONS } from '../../../utils/constants';

export default function getEligibilityMessage({
  eligibility,
  facilityDetails,
}) {
  let content = null;
  let title = null;
  let status;

  const requestReason = eligibility.requestReasons[0];
  const directReason = eligibility.directReasons[0];

  if (
    (requestReason === ELIGIBILITY_REASONS.notSupported &&
      directReason === ELIGIBILITY_REASONS.noRecentVisit) ||
    requestReason === ELIGIBILITY_REASONS.noRecentVisit
  ) {
    title = 'You can’t schedule an appointment online';
    const contact = facilityDetails?.telecom?.find(
      tele => tele.system === 'phone',
    )?.value;

    content = (
      <>
        <p>
          You haven’t had a recent appointment at this facility, so you’ll need
          to call to schedule instead.
        </p>
        <p>
          <strong>{facilityDetails.name}</strong>
          <br />
          <strong>Main phone: </strong>
          <VaTelephone contact={contact} />
          <span>
            &nbsp;(
            <VaTelephone contact="711" tty data-testid="tty-telephone" />)
          </span>
        </p>
        <p>Or you can choose a different facility.</p>
      </>
    );
  } else if (
    requestReason === ELIGIBILITY_REASONS.notSupported &&
    (directReason === ELIGIBILITY_REASONS.noClinics ||
      directReason === ELIGIBILITY_REASONS.noMatchingClinics)
  ) {
    title = 'You can’t schedule this appointment online';
    const contact = facilityDetails?.telecom?.find(
      tele => tele.system === 'phone',
    )?.value;

    content = (
      <>
        <p>
          We couldn’t find any open appointment times for online scheduling.
        </p>
        <p>You’ll need to call the facility to schedule an appointment.</p>
        <p>
          <strong>{facilityDetails.name}</strong>
          <br />
          <strong>Main phone: </strong>
          <VaTelephone contact={contact} />
          <span>
            &nbsp;(
            <VaTelephone contact="711" tty data-testid="tty-telephone" />)
          </span>
        </p>
        <p>Or you can go back and choose a different facility.</p>
      </>
    );
  } else if (requestReason === ELIGIBILITY_REASONS.error) {
    title = 'You can’t schedule this appointment online right now';
    content =
      'We’re sorry. There’s a problem with our system. Try again later.';
    status = 'error';
  } else if (requestReason === ELIGIBILITY_REASONS.notSupported) {
    title = 'This facility doesn’t accept online scheduling for this care';
    content = (
      <>
        You’ll need to call your VA health facility to schedule this
        appointment. Not all VA facilities offer online scheduling for all types
        of care.
      </>
    );
  } else if (requestReason === ELIGIBILITY_REASONS.overRequestLimit) {
    title = 'You can’t schedule this appointment online';
    const contact = facilityDetails?.telecom?.find(
      tele => tele.system === 'phone',
    )?.value;

    content = (
      <>
        <p>You’ll need to call to schedule at this facility.</p>
        <p>
          <strong>{facilityDetails.name}</strong>
          <br />
          <strong>Main phone: </strong>
          <VaTelephone contact={contact} />
          <span>
            &nbsp;(
            <VaTelephone contact="711" tty data-testid="tty-telephone" />)
          </span>
        </p>
        <p>Or you can choose a different facility.</p>
      </>
    );
  }

  if (title === null || content === null) {
    throw new Error('Missing eligibility display reason');
  }

  return { title, content, status };
}
getEligibilityMessage.propTypes = {
  eligibility: PropTypes.object,
  facilityDetails: PropTypes.object,
  includeFacilityContactInfo: PropTypes.bool,
  typeOfCare: PropTypes.object,
};