import {Duration, PlainDate} from '@/';
import {describe, it, assert} from 'vitest';

describe('Duration', () => {
  describe('Duration#round', () => {
    it('rounds duration (hour)', function () {
      let duration = Duration.from({
        minutes: 46,
      });

      assert.equal(
        duration
          .round({
            roundingIncrement: 5,
            smallestUnit: 'minute',
            roundingMode: 'ceil',
          })
          .toJSON(),
        'PT50M',
      );

      assert.equal(duration.round('hour').toJSON(), 'PT1H');
    });

    it('rounds with plain date reference', () => {
      let relativeTo = new PlainDate(2024, 3, 5);
      let duration = Duration.from({
        days: 46,
      });
      let rounded = duration.round({largestUnit: 'month', relativeTo});
      assert.equal(rounded.toJSON(), 'P1M15D');
    });

    it('rounds with plain date reference (feb)', () => {
      let relativeTo = new PlainDate(2024, 2, 5);
      let duration = Duration.from({
        days: 46,
      });
      let rounded = duration.round({largestUnit: 'month', relativeTo});
      assert.equal(rounded.toJSON(), 'P1M17D');
    });

    describe('smallest unit', () => {
      it('rounds time duration', function () {
        let duration = Duration.from({
          days: 64,
          hours: 8,
          minutes: 32,
          seconds: 16,
          milliseconds: 128,
        });
        assert.equal(duration.round({smallestUnit: 'second', roundingMode: 'trunc'}).toJSON(), 'P64DT8H32M16S');
        assert.equal(duration.round({smallestUnit: 'minute', roundingMode: 'trunc'}).toJSON(), 'P64DT8H32M');
        assert.equal(duration.round({smallestUnit: 'hour', roundingMode: 'trunc'}).toJSON(), 'P64DT8H');
        assert.equal(duration.round({smallestUnit: 'day', roundingMode: 'trunc'}).toJSON(), 'P64D');
      });

      it('rounds date units', function () {
        let relativeTo = new PlainDate(2024, 3, 15);
        let duration = Duration.from({
          days: 64,
          hours: 8,
          minutes: 32,
          seconds: 16,
          milliseconds: 128,
        });

        assert.equal(duration.round({smallestUnit: 'month', roundingMode: 'trunc', relativeTo}).toJSON(), 'P2M');
        assert.equal(duration.round({smallestUnit: 'month', roundingMode: 'ceil', relativeTo}).toJSON(), 'P3M');
        assert.equal(duration.round({smallestUnit: 'day', roundingMode: 'trunc'}).toJSON(), 'P64D');
        assert.equal(duration.round({smallestUnit: 'day', roundingMode: 'ceil'}).toJSON(), 'P65D');
      });
    });
  });
});