/*
 * jQuery throttle / debounce - v1.1 - 3/7/2010
 * http://benalman.com/projects/jquery-throttle-debounce-plugin/
 * 
 * Copyright (c) 2010 "Cowboy" Ben Alman
 * Dual licensed under the MIT and GPL licenses.
 * http://benalman.com/about/license/
 */
(function(b,c){var $=b.jQuery||b.Cowboy||(b.Cowboy={}),a;$.throttle=a=function(e,f,j,i){var h,d=0;if(typeof f!=="boolean"){i=j;j=f;f=c}function g(){var o=this,m=+new Date()-d,n=arguments;function l(){d=+new Date();j.apply(o,n)}function k(){h=c}if(i&&!h){l()}h&&clearTimeout(h);if(i===c&&m>e){l()}else{if(f!==true){h=setTimeout(i?k:l,i===c?e-m:e)}}}if($.guid){g.guid=j.guid=j.guid||$.guid++}return g};$.debounce=function(d,e,f){return f===c?a(d,e,false):a(d,f,e!==false)}})(this);

$(document).ready (function () {
	var protocache = {};

	function extract (n) {
		var e = protocache[n.attr ('id')];
		if (e) {
			return e;
		}
		e = {
			'name': n.children ('.name').first ().text (),
			'rank': parseFloat (n.data ('rank')),
			}
		var year = n.find ('dl dd.ref * .year').first ();
		if (year.length == 1) {
			e['year'] = parseInt (year.text ());
		} else {
			e['year'] = 0;
		}
		e['features'] = n.find ('.features li').map (function (i, e) {
			return $(e).data ('id');
		}).get ();

		protocache[n.attr ('id')] = e;
		return e;
	}

	function sortproto (by) {
		var protolist = $('#protocols');
		var items = protolist.children ('.protocol');
		items.detach ().sort (function (nodeA, nodeB) {
			var a = extract ($(nodeA))[by];
			var b = extract ($(nodeB))[by];
			if (by == 'rank' || by == 'year') {
				return a > b ? 1 : (a < b ? -1 : 0);
			} else {
				return a.localeCompare (b);
			}
		});
		protolist.append (items);
	}

	function hasfeatures (item, features) {
		var itemfeatures = item['features'];
		for (i = 0; i < features.length; i++) {
			if (itemfeatures.indexOf (features[i]) == -1) {
				return false;
			}
		}
		return true;
	}

	function filterproto (search, features = []) {
		console.log (features);
		search = search.toLowerCase ()
		var items = $('#protocols .protocol');
		for (var i = 0; i < items.length; i++) {
			var domobj = $(items[i]);
			var e = extract (domobj);
			if (e['name'].toLocaleLowerCase ().indexOf (search) >= 0 &&
					(features.length == 0 || hasfeatures (e, features))) {
				domobj.show ();
			} else {
				domobj.hide ();
			}
		}
	}

	function selectedfeatures () {
		var sel = $('.filter-feature');
		var features = [];
		for (i = 0; i < sel.length; i++) {
			if ($(sel[i]).is (':checked')) {
				features.push ($(sel[i]).val ());
			}
		}
		return features;
	}

	$('#sort').change (function () {
		sortproto ($(this).val ());
	});
	$('#filter').keyup ($.debounce (100, function () {
		filterproto ($(this).val (), selectedfeatures ());
	}));
	$('.filter-feature').change (function () {
		filterproto ($('#filter').val (), selectedfeatures ());
	});
	$('#protosort').show ();
	$('.filter-feature').show ();
	sortproto ($('#sort').val ());
	filterproto ($('#filter').val (), selectedfeatures ());
});