import { TimeHolder } from './time-holder';

function mathSecondRound(value: Date): number {
  return Math.round(value.getTime() / 1000);
}

describe('time holder', () => {
  it('should get hours/minutes/seconds', () => {
    const holder = new TimeHolder().setValue(new Date(0, 0, 0, 23, 10, 20));
    expect(holder.hours).toEqual(23);
    expect(holder.minutes).toEqual(10);
    expect(holder.seconds).toEqual(20);
  });

  it('should set hours', () => {
    const holder = new TimeHolder()
      .setHours(23, false)
      .setMinutes(10, false)
      .setSeconds(20, false);
    const date = new Date();
    date.setHours(23);
    date.setMinutes(10);
    date.setSeconds(20);
    expect(mathSecondRound(holder.value!)).toEqual(mathSecondRound(date));
  });

  it('should ignore disabled', () => {
    const holder = new TimeHolder()
      .setHours(23, false)
      .setMinutes(10, false)
      .setSeconds(20, false);
    holder
      .setHours(0, true)
      .setMinutes(0, true)
      .setSeconds(0, true);
    const date = new Date();
    date.setHours(23);
    date.setMinutes(10);
    date.setSeconds(20);
    expect(mathSecondRound(holder.value!)).toEqual(mathSecondRound(date));
  });

  it('should ignore date part', () => {
    const holder = new TimeHolder().setValue(new Date(2001, 10, 1, 23, 10, 20));
    expect(holder.hours).toEqual(23);
    expect(holder.minutes).toEqual(10);
    expect(holder.seconds).toEqual(20);
  });

  it('value should be undefined when cleared', () => {
    const holder = new TimeHolder().setValue(new Date(2001, 10, 1, 23, 10, 20));
    holder.setValue(undefined);
    expect(holder.value).toBeUndefined();
    expect(holder.isEmpty).toBeTruthy();
  });

  it('hours/minutes/seconds should be undefined when cleared', () => {
    const holder = new TimeHolder().setValue(new Date(2001, 10, 1, 23, 10, 20));
    holder.clear();
    expect(holder.hours).toBeUndefined();
    expect(holder.minutes).toBeUndefined();
    expect(holder.seconds).toBeUndefined();
  });

  it('should use defaultOpenValue to generate Minutes & Seconds if not isEmpty', () => {
    const holder = new TimeHolder().setDefaultOpenValue(new Date(2001, 10, 1, 23, 10, 20));
    expect(holder.isEmpty).toBeTruthy();
    holder.setHours(10, false);
    expect(holder.value).toEqual(new Date(2001, 10, 1, 10, 10, 20));
  });
  it('should use defaultOpenValue to generate Hours & Seconds if not isEmpty', () => {
    const holder = new TimeHolder().setDefaultOpenValue(new Date(2001, 10, 1, 23, 10, 20));
    expect(holder.isEmpty).toBeTruthy();
    holder.setMinutes(23, false);
    expect(holder.value).toEqual(new Date(2001, 10, 1, 23, 23, 20));
  });
  it('should 12-hour worked', () => {
    const holder = new TimeHolder().setValue(new Date(0, 0, 0, 0, 0, 0));
    holder.setUse12Hours(true);
    holder.selected12Hours = 'pm';
    holder.setHours(3, false);
    expect(holder.viewHours).toBe(3);
    expect(holder.realHours).toBe(15);
    const date = new Date(0, 0, 0, 15, 0, 0, 0);
    expect(mathSecondRound(holder.value!)).toEqual(mathSecondRound(date));
  });
  it('should set defaultRealHours and defaultViewHours correctly', () => {
    const holder = new TimeHolder().setValue(undefined, true).setDefaultOpenValue(new Date(0, 0, 0, 15, 2, 3));
    expect(holder.defaultRealHours).toBe(15);
    expect(holder.defaultViewHours).toBe(3);
  });
  it('should set default selected 12-hours with value', () => {
    const holderPM = new TimeHolder().setValue(new Date(0, 0, 0, 15, 2, 3), true);
    expect(holderPM.selected12Hours).toBe('PM');
    const holderAM = new TimeHolder().setValue(new Date(0, 0, 0, 0, 2, 3), true);
    expect(holderAM.selected12Hours).toBe('AM');
  });
  it('should transform special value in 12-hour', () => {
    const holder = new TimeHolder().setValue(new Date(), true);
    holder.selected12Hours = 'am';
    holder.setHours(12, false);
    expect(holder.realHours).toBe(0);
    holder.selected12Hours = 'pm';
    expect(holder.realHours).toBe(12);
  });
});