(function($, window, document, undefined) {
    'use strict';

    var gridContainer = $('#grid-container'),
        filtersContainer = $('#filters-container'),
        wrap, filtersCallback;


    /*********************************
     init cubeportfolio
     *********************************/
    gridContainer.cubeportfolio({
        defaultFilter: '*',
        animationType: 'sequentially',
        gridAdjustment: 'responsive',
        displayType: 'default',
        caption: 'expand',
        mediaQueries: [{
            width: 1,
            cols: 1
        }],
        gapHorizontal: 0,
        gapVertical: 50
    });


    /*********************************
     add listener for filters
     *********************************/
    if (filtersContainer.hasClass('cbp-l-filters-dropdown')) {
        wrap = filtersContainer.find('.cbp-l-filters-dropdownWrap');

        wrap.on({
            'mouseover.cbp': function() {
                wrap.addClass('cbp-l-filters-dropdownWrap-open');
            },
            'mouseleave.cbp': function() {
                wrap.removeClass('cbp-l-filters-dropdownWrap-open');
            }
        });

        filtersCallback = function(me) {
            wrap.find('.cbp-filter-item').removeClass('cbp-filter-item-active');
            wrap.find('.cbp-l-filters-dropdownHeader').text(me.text());
            me.addClass('cbp-filter-item-active');
            wrap.trigger('mouseleave.cbp');
        };
    } else {
        filtersCallback = function(me) {
            me.addClass('cbp-filter-item-active').siblings().removeClass('cbp-filter-item-active');
        };
    }

    filtersContainer.on('click.cbp', '.cbp-filter-item', function() {
        var me = $(this);

        if (me.hasClass('cbp-filter-item-active')) {
            return;
        }

        // get cubeportfolio data and check if is still animating (reposition) the items.
        if (!$.data(gridContainer[0], 'cubeportfolio').isAnimating) {
            filtersCallback.call(null, me);
        }

        // filter the items
        gridContainer.cubeportfolio('filter', me.data('filter'), function() {});
    });

    /*********************************
     activate counter for filters
     *********************************/
    gridContainer.cubeportfolio('showCounter', filtersContainer.find('.cbp-filter-item'), function() {
        // read from url and change filter active
        var match = /#cbpf=(.*?)([#|?&]|$)/gi.exec(location.href),
            item;
        if (match !== null) {
            item = filtersContainer.find('.cbp-filter-item').filter('[data-filter="' + match[1] + '"]');
            if (item.length) {
                filtersCallback.call(null, item);
            }
        }
    });

})(jQuery, window, document);