import {HOUR, MINUTE, SECOND} from '@/units.js';
import {describe, it, expect} from 'vitest';
import {balanceTime, balanceTimeDuration} from '@/utilities.js';

describe('Internal utilities', () => {
  describe('balanceTimeDuration', () => {
    it('balances time duration', async () => {
      let {hours, minutes, seconds, milliseconds} = balanceTimeDuration(1 + 2 * SECOND + 3 * MINUTE + 4 * HOUR);
      expect(hours).toEqual(4);
      expect(minutes).toEqual(3);
      expect(seconds).toEqual(2);
      expect(milliseconds).toEqual(1);
    });

    it('overflows into hours', async () => {
      let {hours, minutes, seconds, milliseconds} = balanceTimeDuration(24 * HOUR, 'hour');
      expect(hours).toEqual(24);
      expect(minutes).toEqual(0);
      expect(seconds).toEqual(0);
      expect(milliseconds).toEqual(0);
    });

    it('calculates daye', () => {
      let {days, hours, minutes, seconds, milliseconds} = balanceTimeDuration(24 * HOUR);
      expect(days).toEqual(1);
      expect(hours).toEqual(0);
      expect(minutes).toEqual(0);
      expect(seconds).toEqual(0);
      expect(milliseconds).toEqual(0);
    });
  });

  describe('balanceTime', () => {
    it('balances time', () => {
      let balanced = balanceTime(0, -45, 0, 0);
      expect(balanced).toEqual({
        hour: 23,
        minute: 15,
        second: 0,
        millisecond: 0,
        deltaDays: -1,
      });
    });
  });
});