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

import { addLeadingZeros } from '../_lib/addLeadingZeros/index.ts';
import { isValid } from '../isValid/index.ts';
import { toDate } from '../toDate/index.ts';
import type { DateArg } from '../types.ts';

const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];

const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];

/**
 * @name formatRFC7231
 * @category Common Helpers
 * @summary Format the date according to the RFC 7231 standard (https://tools.ietf.org/html/rfc7231#section-7.1.1.1).
 *
 * @description
 * Return the formatted date string in RFC 7231 format.
 * The result will always be in UTC timezone.
 *
 * @param date - The original date
 *
 * @returns The formatted date string
 *
 * @throws `date` must not be Invalid Date
 *
 * @example
 * // Represent 18 September 2019 in RFC 7231 format:
 * const result = formatRFC7231(new Date(2019, 8, 18, 19, 0, 52))
 * //=> 'Wed, 18 Sep 2019 19:00:52 GMT'
 */
export function formatRFC7231(date: DateArg<Date> & {}): string {
  const _date = toDate(date);

  if (!isValid(_date)) {
    throw new RangeError('Invalid time value');
  }

  const dayName = days[_date.getUTCDay()];
  const dayOfMonth = addLeadingZeros(_date.getUTCDate(), 2);
  const monthName = months[_date.getUTCMonth()];
  const year = _date.getUTCFullYear();

  const hour = addLeadingZeros(_date.getUTCHours(), 2);
  const minute = addLeadingZeros(_date.getUTCMinutes(), 2);
  const second = addLeadingZeros(_date.getUTCSeconds(), 2);

  // Result variables.
  return `${dayName}, ${dayOfMonth} ${monthName} ${year} ${hour}:${minute}:${second} GMT`;
}

/* eslint-enable */