(function($) {
	$.fn.sorted = function(customOptions) {
		var options = {
			reversed: false,
			by: function(a) {
				return a.text();
			}
		};
		$.extend(options, customOptions);
	
		$data = $(this);
		arr = $data.get();
		arr.sort(function(a, b) {
			
		   	var valA = options.by($(a));
		   	var valB = options.by($(b));
			if (options.reversed) {
				return (valA < valB) ? 1 : (valA > valB) ? -1 : 0;				
			} else {		
				return (valA < valB) ? -1 : (valA > valB) ? 1 : 0;	
			}
		});
		return $(arr);
	};

})(jQuery);

$(function () {

    var read_button = function (class_names) {
        var r = {
            selected: false,
            type: 0
        };
        for (var i = 0; i < class_names.length; i++) {
            if (class_names[i].indexOf('selected-') == 0) {
                r.selected = true;
            }
            if (class_names[i].indexOf('segment-') == 0) {
                r.segment = class_names[i].split('-')[1];
            }
        };
        return r;
    };

    var determine_sort = function ($buttons) {
        var $selected = $buttons.parent().filter('[class*="selected-"]');
        return $selected.find('a').attr('data-value');
    };

    var determine_kind = function ($buttons) {
        var $selected = $buttons.parent().filter('[class*="selected-"]');
        return $selected.find('a').attr('data-value');
    };

    var $preferences = {
        duration: 800,
        easing: 'easeInOutQuad',
        adjustHeight: false
    };

    var $list = $('#list');
    var $data = $list.clone();

    var $controls = $('ul.splitter ul');

    $controls.each(function (i) {

        var $control = $(this);
        var $buttons = $control.find('a');

        $buttons.bind('click', function (e) {

            var $button = $(this);
            var $button_container = $button.parent();
            var button_properties = read_button($button_container.attr('class').split(' '));
            var selected = button_properties.selected;
            var button_segment = button_properties.segment;

            if (!selected) {

                $buttons.parent().removeClass('selected-0').removeClass('selected-1').removeClass('selected-2');
                $button_container.addClass('selected-' + button_segment);

                var sorting_type = determine_sort($controls.eq(1).find('a'));
                var sorting_kind = determine_kind($controls.eq(0).find('a'));

                if (sorting_kind == 'all') {
                    var $filtered_data = $data.find('li');
                } else {
                    var $filtered_data = $data.find('li.' + sorting_kind);
                }

                if (sorting_type == 'size') {
                    var $sorted_data = $filtered_data.sorted({
                        by: function (v) {
                            return parseFloat($(v).find('span').text());
                        }
                    });
                } else {
                    var $sorted_data = $filtered_data.sorted({
                        by: function (v) {
                            return $(v).find('strong').text().toLowerCase();
                        }
                    });
                }

                $list.quicksand($sorted_data, $preferences);

            }

            e.preventDefault();
        });

    });

    var high_performance = false;
    var $performance_container = $('#performance-toggle');
    var $original_html = $performance_container.html();

    $performance_container.find('a').live('click', function (e) {
        if (high_performance) {
            $preferences.useScaling = false;
            $performance_container.html('CSS3 scaling turned off. Try the demo again. <a href="#toggle">Reverse</a>.');
            high_performance = false;
        } else {
            $preferences.useScaling = true;
            $performance_container.html($original_html);
            high_performance = true;
        }
        e.preventDefault();
    });
});