import DateRange from './date-range';
import {DateRangeType, TimeUnit, TimeWindow} from './types';

export default class CustomEventDateRange extends DateRange {
  public getDefaultWindow(): TimeWindow {
    return {
      unit: TimeUnit.Day,
      value: 1,
    };
  }

  public getDateRangeTypeOptions(): Array<DateRangeType> {
    return [
      DateRangeType.RelativeAfter,
      DateRangeType.RelativeBefore,
      DateRangeType.Between,
      DateRangeType.On,
    ];
  }

  public getTimeUnitOptions(): Array<TimeUnit> {
    return [
      TimeUnit.Day,
      TimeUnit.Week,
      TimeUnit.Month,
    ];
  }

  public getCalendarMaxDate(): string {
    // `null` is special value to indicate that's interpreted by the calendar as no max date.
    return `null`;
  }
}