(function($) {

	 $.fn["Taxonomy"] = function(shops) {
	
		this.shops = shops;
		this.nestResult = new Array();
		this.numberingResult = new Array();


		this.keySort = function(target) {
			var sortKey = new Array();
			for (var compkey in target) {
				sortKey.push(compkey);
			}
			sortKey.sort(function (b1, b2) {return b1 > b2 ? 1 : -1;});

			var result = new Array();
			for (var resetkey in sortKey) {
				var key = sortKey[resetkey];
				result[key] = target[key];
			}
			return result;
		}

		this.classifyLines = function() {
			for (var i = 0; i < this.shops.length; i++) {
				var shop = this.shops[i];
				if (this.nestResult[shop.lineName] == undefined) { 
					this.nestResult[shop.lineName] = new Array();
				}
				this.nestResult[shop.lineName].push(shop);
			}
			var tmp = this.nestResult;
			this.nestResult = this.keySort(tmp);
		}

		this.classifyStations = function() {
			for (lineID in this.nestResult) {
				var stations = this.nestResult[lineID];
				var shops = new Array();
				for (var i = 0; i < stations.length; i++) {
					var station = stations[i];
					if (shops[station.stationName] == undefined) {
						shops[station.stationName] = new Array();
					}
					shops[station.stationName].push(station);
				}

				var tmp = shops;
				shops = this.keySort(tmp);

				this.nestResult[lineID] = shops;
			}
		},
			
		this.numbering = function() {
			var l = new Array();
			for (lineID in this.nestResult) {
				var stations = this.nestResult[lineID];
				var s = new Array();
				for (stationID in stations) {
					s.push({ "name": stationID, "shops": stations[stationID] });
				}
				l.push({ "name": lineID, "stations": s });
			}
			this.numberingResult = l;
			return this.numberingResult;
		},
	
		this.getLine = function(lineID) {
			return this.numberingResult[lineID];
		},
	
		this.getStation = function(lineID, stationID) {
			var lines = this.getLine(lineID);
			return lines.stations[stationID];
		},
	
		this.getHome = function(lineID, stationID, homeID) {
			var station = this.getStation(lineID, stationID);
			return station.shops[homeID];
		},
			
		this.classify = function() {
			this.classifyLines();
			this.classifyStations();
			this.numbering();
			return this.numberingResult;
		}
		return this;
	};

})(jQuery);