import { NiceMethod } from '../types';
import { findTickInterval } from './find-tick-interval';

export const d3TimeNice: NiceMethod<Date> = (min, max, count, interval, utc) => {
  const r = min > max;
  const lo = r ? max : min;
  const hi = r ? min : max;
  const [tickInterval, step] = findTickInterval(lo, hi, count, interval, utc);
  const domain = [tickInterval.floor(lo, step), tickInterval.ceil(hi, step)];
  return r ? domain.reverse() : domain;
};