// @flow strict

export const RATING_ERRORS = Object.freeze({
  INVALID_RANGE: {
    type: 'INVALID_RANGE',
    description:
      'Given rating\'s stop value cannot come before the start value.',
  },
  INVALID_RATING_LABELS: {
    type: 'INVALID_RATING_LABELS',
    description: 'Given rating labels are invalid.',
  },
});

export const RATINGS: Array<string> = [
  'Not-Qualified',
  'Proficient',
  'Silver',
  'Gold',
  'Platinum',
  'Diamond',
];

export const getRatingLabel = (
  rating: number,
  labels: Array<string>,
): string => {
  if (rating <= 0) {
    return labels[0];
  } else if (rating >= labels.length) {
    return labels.slice(-1)[0];
  } else {
    return labels[rating];
  }
};