'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = endOfWeek;

var _index = require('../_lib/toInteger/index.js');

var _index2 = _interopRequireDefault(_index);

var _index3 = require('../toDate/index.js');

var _index4 = _interopRequireDefault(_index3);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * @name endOfWeek
 * @category Week Helpers
 * @summary Return the end of a week for the given date.
 *
 * @description
 * Return the end of a week for the given date.
 * The result will be in the local timezone.
 *
 *
 * ### v2.0.0 breaking changes:
 *
 * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
 *
 * @param {Date|String|Number} date - the original date
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
 * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
 * @returns {Date} the end of a week
 * @throws {TypeError} 1 argument required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
 *
 * @example
 * // The end of a week for 2 September 2014 11:55:00:
 * var result = endOfWeek(new Date(2014, 8, 2, 11, 55, 0))
 * //=> Sat Sep 06 2014 23:59:59.999
 *
 * @example
 * // If the week starts on Monday, the end of the week for 2 September 2014 11:55:00:
 * var result = endOfWeek(new Date(2014, 8, 2, 11, 55, 0), { weekStartsOn: 1 })
 * //=> Sun Sep 07 2014 23:59:59.999
 */
function endOfWeek(dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present');
  }

  var options = dirtyOptions || {};

  var locale = options.locale;
  var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;
  var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : (0, _index2.default)(localeWeekStartsOn);
  var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : (0, _index2.default)(options.weekStartsOn);

  // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
  if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
    throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');
  }

  var date = (0, _index4.default)(dirtyDate, options);
  var day = date.getDay();
  var diff = (day < weekStartsOn ? -7 : 0) + 6 - (day - weekStartsOn);

  date.setDate(date.getDate() + diff);
  date.setHours(23, 59, 59, 999);
  return date;
}
module.exports = exports['default'];