/* global MilestoneConfig */

var Milestone = ( function( $ ) {
	var Milestone = function( args ) {
		var $widget = $( '#' + args.id ),
			id = args.id,
			refresh = args.refresh * 1000;

		this.timer = function() {
			var instance = this;

			$.ajax( {
				url: MilestoneConfig.api_root + 'jetpack/v4/widgets/' + id,
				success: function( result ) {
					$widget.find( '.milestone-countdown' ).replaceWith( result.message );
					refresh = result.refresh * 1000;

					if ( ! refresh ) {
						return;
					}

					setTimeout( function() {
						instance.timer();
					}, refresh );
				},
			} );
		};

		if ( refresh > 0 ) {
			this.timer();
		}
	};
	return function( args ) {
		return new Milestone( args );
	};
} )( jQuery );

( function() {
	var i,
		MilestoneInstances = {};

	if ( typeof MilestoneConfig === 'undefined' ) {
		return;
	}

	for ( i = 0; i < MilestoneConfig.instances.length; i++ ) {
		MilestoneInstances[ i ] = new Milestone( MilestoneConfig.instances[ i ] );
	}
} )();