/* eslint-disable eslint-comments/no-unlimited-disable */
/* eslint-disable */
// @ts-nocheck

import { getRoundingMethod } from '../_lib/getRoundingMethod/index.ts';
import { normalizeDates } from '../_lib/normalizeDates/index.ts';
import { millisecondsInHour } from '../constants/index.ts';
import type { ContextOptions, DateArg, RoundingOptions } from '../types.ts';

/**
 * The {@link differenceInHours} function options.
 */
export interface DifferenceInHoursOptions extends RoundingOptions, ContextOptions<Date> {}

/**
 * @name differenceInHours
 * @category Hour Helpers
 * @summary Get the number of hours between the given dates.
 *
 * @description
 * Get the number of hours between the given dates.
 *
 * @param laterDate - The later date
 * @param earlierDate - The earlier date
 * @param options - An object with options.
 *
 * @returns The number of hours
 *
 * @example
 * // How many hours are between 2 July 2014 06:50:00 and 2 July 2014 19:00:00?
 * const result = differenceInHours(
 *   new Date(2014, 6, 2, 19, 0),
 *   new Date(2014, 6, 2, 6, 50)
 * )
 * //=> 12
 */
export function differenceInHours(
  laterDate: DateArg<Date> & {},
  earlierDate: DateArg<Date> & {},
  options?: DifferenceInHoursOptions,
): number {
  const [laterDate_, earlierDate_] = normalizeDates(options?.in, laterDate, earlierDate);
  const diff = (+laterDate_ - +earlierDate_) / millisecondsInHour;
  return getRoundingMethod(options?.roundingMethod)(diff);
}

/* eslint-enable */