import { describe, it, expect } from 'vitest';
import { parseIso8601Duration } from '../../src/lib/server/parsers/iso8601-duration';

describe('parseIso8601Duration', () => {
  it.each([
    ['PT30M', 30],
    ['PT1H', 60],
    ['PT1H30M', 90],
    ['PT2H15M', 135],
    ['PT0M', 0],
    ['P1DT2H', 26 * 60],
    ['PT90M', 90]
  ] as const)('parses %s to %i minutes', (input, expected) => {
    expect(parseIso8601Duration(input)).toBe(expected);
  });

  it.each([[''], [null], [undefined], ['garbage'], ['30 min'], ['PT']])(
    'returns null for invalid input %j',
    (input) => {
      expect(parseIso8601Duration(input as string)).toBeNull();
    }
  );
});