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// -- filtery
// @license filtery v1.0.0 | MIT | Namogo 2017 | https://www.namogo.com
// --------------------------------
;(
    function( $, window, document, undefined ) {

$.filtery = function(element, options) {

var defaults = {
				wrapper : null,
				filterables : '.filterable',
				activeFilterClass : 'active',
				notFound : null,
			};

var plugin = this;

plugin.opts = {};

var $window					= $(window),
				$document				= $(document),
				$element 				= $(element),
				$filters 				= null,
				$notFound 				= null,
				$wrapper 				= null,
				$filterables 			= null,
				lastWrapperHeight 		= 0,
				currentWrapperHeight 	= 0,
				activeFilter 			= null;

plugin.init = function() {
				plugin.opts = $.extend({}, defaults, options);
				plugin._construct();
			};

plugin._construct = function() {

$wrapper = $( plugin.opts.wrapper );

if ( ! $wrapper.length ) {
					console.log( 'Cannot find filterable items wrapper' );
					return;
				}

$filters = $element.find('[data-filter]');
				$filterables = $wrapper.find( plugin.opts.filterables );
				$notFound = ( null === plugin.opts.notFound ) ? $( '.not-found' ) : plugin.opts.notFound,

plugin.setup();
				plugin.events();

};

plugin.setup = function() {

activeFilter = $filters.filter( '.' + plugin.opts.activeFilterClass ).data('filter');
				plugin.applyFilter( activeFilter );
				plugin.updateCount();

lastWrapperHeight = $wrapper.outerHeight();
				currentWrapperHeight = lastWrapperHeight;
			};

plugin.events = function() {
				
				$filters.on( 'click', plugin.onClick );

};

plugin.updateCount = function() {
				$filters.each( function() {
					var	$filter 	= $(this),
						$count 		= $filter.find('.ee-filters__item__count'),
						filter 		= $filter.data('filter'),
						$filtered 	= $filterables.filter( filter );

$count.html( $filtered.length );
				});
			}

plugin.onClick = function( event ) {
				var $filter 	= $( event.target ),
					filter 		= $filter.data('filter');

if ( activeFilter === filter )
					return;

plugin.applyFilter( filter );
				
					activeFilter = filter;
			}

plugin.applyFilter = function( filter ) {

if ( ! filter )
					return;

lastWrapperHeight = currentWrapperHeight;

$filterables = $wrapper.find( plugin.opts.filterables );

var $filtered 	= $filterables.filter( filter ),
					$filter 	= $filters.filter( '[data-filter="' + filter + '"]' );
					
				// Hide everything
				$filterables.filter( ':not(' + filter + ')' ).hide();
				$filters.removeClass( plugin.opts.activeFilterClass );

$filtered.show();
				$filter.addClass( plugin.opts.activeFilterClass );

currentWrapperHeight = $wrapper.outerHeight();

if ( $notFound.length ) {
					if ( $filtered.length ) {
						$notFound.hide();
					} else {
						$notFound.show();
					}
				}

if ( lastWrapperHeight !== currentWrapperHeight ) {
					$window.trigger('resize');
				}

plugin.updateCount();
			}

plugin.update = function() {
				plugin.applyFilter( activeFilter );
			};

plugin.destroy = function() {
				$filters.off( 'click', plugin.onClick );
			};

plugin.init();

};

$.fn.filtery = function(options) {

return this.each(function() {

$.fn.filtery.destroy = function() {
					if( 'undefined' !== typeof( plugin ) ) {
						$(this).data('filtery').destroy();
						$(this).removeData('filtery');
					}
				}

$.fn.filtery.update = function() {
					if( 'undefined' !== typeof( plugin ) ) {
						$(this).data('filtery').update();
					}
				}

if (undefined === $(this).data('filtery')) {
					var plugin = new $.filtery(this, options);
					$(this).data('filtery', plugin);
				}
			});

};

}

)( jQuery, window, document );