import getTimeFormatterRegistry, {
  getTimeFormatter,
  formatTime,
  getTimeFormatterForGranularity,
  formatTimeRange,
} from '@superset-ui/core/src/time-format/TimeFormatterRegistrySingleton';
import TimeFormatterRegistry from '@superset-ui/core/src/time-format/TimeFormatterRegistry';
import { PREVIEW_TIME } from '@superset-ui/core/src/time-format/TimeFormatter';
import { TimeGranularity, LOCAL_PREFIX } from '@superset-ui/core/src/time-format';

describe('TimeFormatterRegistrySingleton', () => {
  describe('getTimeFormatterRegistry()', () => {
    it('returns a TimeFormatterRegisry', () => {
      expect(getTimeFormatterRegistry()).toBeInstanceOf(TimeFormatterRegistry);
    });
  });
  describe('getTimeFormatter(format)', () => {
    it('returns a format function', () => {
      const format = getTimeFormatter('%d/%m/%Y');
      expect(format(PREVIEW_TIME)).toEqual('14/02/2017');
    });
    it('falls back to default format if format is not specified', () => {
      const format = getTimeFormatter();
      expect(format(PREVIEW_TIME)).toEqual('2017-02-14 11:22:33');
    });
    it(`use local time when format string has LOCAL_PREFIX (${LOCAL_PREFIX})`, () => {
      const format = getTimeFormatter('local!%m-%d %H:%M');
      expect(format(new Date(2019, 5, 18, 11, 23))).toEqual('06-18 11:23');
    });
  });
  describe('getTimeFormatterForGranularity(granularity?)', () => {
    it('returns the default formatter for that granularity', () => {
      const date = new Date(Date.UTC(2020, 4, 10)); // May 10, 2020 is Sunday
      expect(getTimeFormatterForGranularity(TimeGranularity.DATE)(date)).toEqual('2020-05-10');
    });
  });
  describe('formatTimeRange(format?, values)', () => {
    it('format the given time range with specified format', () => {
      expect(
        formatTimeRange('%m-%d', [new Date(Date.UTC(2017, 1, 1)), new Date(Date.UTC(2017, 1, 2))]),
      ).toEqual('02-01 — 02-02');
    });
    it('show only one value if start and end are equal after formatting', () => {
      expect(
        formatTimeRange('%m-%d', [
          new Date(Date.UTC(2017, 1, 1)),
          new Date(Date.UTC(2017, 1, 1, 10)),
        ]),
      ).toEqual('02-01');
    });
    it('falls back to default format if format is not specified', () => {
      expect(
        formatTimeRange(undefined, [
          new Date(Date.UTC(2017, 1, 1)),
          new Date(Date.UTC(2017, 1, 2)),
        ]),
      ).toEqual('2017-02-01 00:00:00 — 2017-02-02 00:00:00');
    });
  });
  describe('formatTime(format?, value, granularity?)', () => {
    describe('without granularity', () => {
      it('format the given time using the specified format', () => {
        const output = formatTime('%Y-%m-%d', PREVIEW_TIME);
        expect(output).toEqual('2017-02-14');
      });
      it('falls back to the default formatter if the format is undefined', () => {
        expect(formatTime(undefined, PREVIEW_TIME)).toEqual('2017-02-14 11:22:33');
      });
    });
    describe('with granularity', () => {
      it('format the given time using specified format', () => {
        const output = formatTime('%-m/%d', new Date(Date.UTC(2017, 4, 10)), TimeGranularity.WEEK);
        expect(output).toEqual('5/10 — 5/16');
      });
      it('format the given time using default format if format is not specified', () => {
        const date = new Date(Date.UTC(2020, 4, 10)); // May 10, 2020 is Sunday
        expect(formatTime(undefined, date, TimeGranularity.DATE)).toEqual('2020-05-10');
        expect(formatTime(undefined, date, TimeGranularity.SECOND)).toEqual('2020-05-10 00:00:00');
        expect(formatTime(undefined, date, TimeGranularity.MINUTE)).toEqual('2020-05-10 00:00');
        expect(formatTime(undefined, date, TimeGranularity.FIVE_MINUTES)).toEqual(
          '2020-05-10 00:00 — 2020-05-10 00:04',
        );
        expect(formatTime(undefined, date, TimeGranularity.TEN_MINUTES)).toEqual(
          '2020-05-10 00:00 — 2020-05-10 00:09',
        );
        expect(formatTime(undefined, date, TimeGranularity.FIFTEEN_MINUTES)).toEqual(
          '2020-05-10 00:00 — 2020-05-10 00:14',
        );
        expect(formatTime(undefined, date, TimeGranularity.HALF_HOUR)).toEqual(
          '2020-05-10 00:00 — 2020-05-10 00:29',
        );
        expect(formatTime(undefined, date, TimeGranularity.HOUR)).toEqual('2020-05-10 00:00');
        expect(formatTime(undefined, date, TimeGranularity.DAY)).toEqual('2020-05-10');
        expect(formatTime(undefined, date, TimeGranularity.WEEK)).toEqual(
          '2020-05-10 — 2020-05-16',
        );
        expect(formatTime(undefined, date, TimeGranularity.WEEK_STARTING_SUNDAY)).toEqual(
          '2020-05-10 — 2020-05-16',
        );
        expect(
          formatTime(
            undefined,
            new Date(Date.UTC(2020, 4, 11)),
            TimeGranularity.WEEK_STARTING_MONDAY,
          ),
        ).toEqual('2020-05-11 — 2020-05-17');
        expect(
          formatTime(
            undefined,
            new Date(Date.UTC(2020, 4, 10)),
            TimeGranularity.WEEK_ENDING_SUNDAY,
          ),
        ).toEqual('2020-05-04 — 2020-05-10');
        expect(
          formatTime(
            undefined,
            new Date(Date.UTC(2020, 4, 9)),
            TimeGranularity.WEEK_ENDING_SATURDAY,
          ),
        ).toEqual('2020-05-03 — 2020-05-09');
        expect(
          formatTime(undefined, new Date(Date.UTC(2020, 3, 1)), TimeGranularity.MONTH),
        ).toEqual('Apr 2020');
        expect(
          formatTime(undefined, new Date(Date.UTC(2020, 3, 1)), TimeGranularity.QUARTER),
        ).toEqual('2020 Q2');
        expect(formatTime(undefined, new Date(Date.UTC(2020, 0, 1)), TimeGranularity.YEAR)).toEqual(
          '2020',
        );
      });
    });
  });
});