/* global moment:false */

const momentOrigLocale = moment.locale();

// Set up new 'short relative time' locale strings for momentjs
moment.defineLocale( 'echo-shortRelativeTime', {
	relativeTime: function ( number, withoutSuffix, key ) {
		const keymap = {
			s: 'seconds',
			m: 'minutes',
			mm: 'minutes',
			h: 'hours',
			hh: 'hours',
			d: 'days',
			dd: 'days',
			M: 'months',
			MM: 'months',
			y: 'years',
			yy: 'years'
		};
		// The following messages are used here:
		// * notification-timestamp-ago-seconds
		// * notification-timestamp-ago-minutes
		// * notification-timestamp-ago-hours
		// * notification-timestamp-ago-days
		// * notification-timestamp-ago-months
		// * notification-timestamp-ago-years
		return mw.msg( 'notification-timestamp-ago-' + keymap[ key ], mw.language.convertNumber( number ) );
	},
	calendar: {
		// Brackets must surround this output, otherwise moment thinks
		// this is a format string, and replaces all 'm' with minutes,
		// 's' with seconds, 'd' with days, etc, which is very amusing,
		// but entirely unhelpful
		sameDay: '[' + mw.msg( 'notification-timestamp-today' ) + ']',
		lastDay: '[' + mw.msg( 'notification-timestamp-yesterday' ) + ']',
		lastWeek: function () {
			return '[' + mw.msg(
				[
					'sunday',
					'monday',
					'tuesday',
					'wednesday',
					'thursday',
					'friday',
					'saturday'
				][ this.day() ] ) + ']';
		}
	}
} );
// Reset back to original locale
moment.locale( momentOrigLocale );
