jQuery( document ).ready(
	function() {
			groups_widget_click_handler();

			// WP 4.5 - Customizer selective refresh support.
		if ( 'undefined' !== typeof wp && wp.customize && wp.customize.selectiveRefresh ) {
			wp.customize.selectiveRefresh.bind(
				'partial-content-rendered',
				function() {
					groups_widget_click_handler();
				}
			);
		}
	}
);

function groups_widget_click_handler() {
	jQuery( '.widget div#groups-list-options a' ).on(
		'click',
		function() {
			var link = this;
			jQuery( link ).addClass( 'loading' );

			jQuery( '.widget div#groups-list-options a' ).removeClass( 'selected' );
			jQuery( this ).addClass( 'selected' );

			jQuery.post(
				ajaxurl,
				{
					action: 'widget_groups_list',
					'cookie': encodeURIComponent( document.cookie ),
					'_wpnonce': jQuery( 'input#_wpnonce-groups' ).val(),
					'max_groups': jQuery( 'input#groups_widget_max' ).val(),
					'filter': jQuery( this ).attr( 'id' )
				},
				function(response)
				{
					jQuery( link ).removeClass( 'loading' );
					groups_widget_response( response );
				}
			);

			return false;
		}
	);
}

function groups_widget_response(response) {
	response = response.substr( 0, response.length - 1 );
	response = response.split( '[[SPLIT]]' );

	if ( response[0] !== '-1' ) {
		jQuery( '.widget ul#groups-list' ).fadeOut(
			200,
			function() {
				jQuery( '.widget ul#groups-list' ).html( response[1] );
				jQuery( '.widget ul#groups-list' ).fadeIn( 200 );
			}
		);

	} else {
		jQuery( '.widget ul#groups-list' ).fadeOut(
			200,
			function() {
				var message = '<p>' + response[1] + '</p>';
				jQuery( '.widget ul#groups-list' ).html( message );
				jQuery( '.widget ul#groups-list' ).fadeIn( 200 );
			}
		);
	}
}