/**
 * 路线搜索
 * @author Liuyl
 * @date 2015/11/1p
 */
define([
"dojo/_base/declare", "dojo/_base/array", "dojo/_base/lang",
"esri/tasks/RouteTask", "esri/tasks/RouteParameters", "esri/tasks/FeatureSet",
"base/AppEvent", "base/ConfigData", "esri/graphic","base/bustransfer/TransferParameter", 
"base/bustransfer/TransferTask"
], function(
	declare, arrayUtil, lang,
	RouteTask, RouteParameters, FeatureSet,
	AppEvent, ConfigData, Graphic,TransferParameter,
	TransferTask
) {
	return declare("RouteManager", null, {
		QueryArguments: declare(null, {
			constructor: function(props) {
				this.id = uuid();
				this.queryType = null;
				this.reqId = null;
				this.extent = null;
				this.poiType = null;
				this.keyword = null;
				this.queryForCount = false;
				this.returnGeometry = true;
				this.start = 0;
				this.num = 10;
				this.outSpatialReference = null;
				this.district = null;
				$.extend(true, this, props);
			}
		}),
		defaultOptions: {
			route_service: "http://www.servicelnditu.com/OneMapServer/rest/services/route2014/NAServer/Route",
			bus_service:"http://www.servicelnditu.com/OneMapServer/rest/services/ShenYangBus/Transfer/exts/PublicTransportationSOE",
			result_widget_name: "RouteResultWidget"
		},
		constructor: function(options) {
			this.options = {};
			$.extend(true, this.options, this.defaultOptions, options);
			this.resultWidgetIsOpen = false;

			AppEvent.addAppEventListener(AppEvent.CONFIG_LOADED, lang.hitch(this, this.onConfigLoaded));
			AppEvent.addAppEventListener(AppEvent.BASE_MAP_LAYER_LOADED, lang.hitch(this, this.onMapLoaded));
			AppEvent.addAppEventListener(AppEvent.RUN_ROUTE_QUERY, lang.hitch(this, function(evt) {
				this.query(evt);
			}));

			this.newestQueryId = null;
		},
		onConfigLoaded: function() {},
		onMapLoaded: function(map) {
			this.map = map;
		},


		query: function(evt) {
			try {
				var queryArgs = new this.QueryArguments();
				$.extend(true, queryArgs, evt);
				this.newestQueryId = queryArgs.id;
				this._do_query(queryArgs);
			} catch (err) {
				this._errorCallback(err, {
					hockId: evt.hockId
				});
			}
		},
		_do_query: function(queryArgs) {
			if (queryArgs.type == "bus") {
				this.queryBusRoute(queryArgs,
					lang.hitch(this, this._resultCallback),
					lang.hitch(this, this._errorCallback)
				);
			} else if (queryArgs.type == "car") {
				this.queryCarRoute(queryArgs,
					lang.hitch(this, this._resultCallback),
					lang.hitch(this, this._errorCallback)
				);
			}
		},

		_resultCallback: function(result, qArgs) {
			if (this.newestQueryId == qArgs.id) {
				AppEvent.dispatchAppEvent(AppEvent.QUERY_SUCCESS, {
					hockId: qArgs.hockId,
					result: result
				});
			}

		},
		_errorCallback: function(err, qArgs) {
			if (this.newestQueryId == qArgs.id) {
				AppEvent.dispatchAppEvent(AppEvent.QUERY_ERROR, {
					hockId: qArgs.hockId,
					error: err
				});
			}
		},
		queryBusRoute: function(qArgs, resultCallback, errorCallback) {
			var pac = "";
			if(ConfigData["districts"] == "" || ConfigData["districts"] == undefined){
				errorCallback({message:"公交换乘服务未加载完成，请重试"}, qArgs);
				return;
			}
			for(var i = 1; i < ConfigData["districts"].length; i++){
				if(ConfigData["districts"][i]["Polygon"].contains(qArgs.start.geometry)){
					pac = ConfigData["districts"][i]["PAC"];
					break;
				}
			}
			if(pac == "2100" || pac == ""){
				errorCallback({message:"请求范围已超出辽宁省"}, qArgs);
				return;
			}
			var thisObj = this;
			var prior = "time";
			if(!(qArgs.searchtype == "" || qArgs.searchtype == undefined)){
				prior = qArgs.searchtype;
			}
			var transferParameter = new TransferParameter();
			transferParameter.departure = "{\"x\":" + qArgs.start.geometry.x + ",\"y\":" + qArgs.start.geometry.y + "}";
			transferParameter.destination = "{\"x\":" + qArgs.end.geometry.x + ",\"y\":" + qArgs.end.geometry.y + "}";
			transferParameter.prior = prior;
			transferParameter.exclusive = "mixed";
			transferParameter.inSR = this.map.spatialReference;
			var transferTask = new TransferTask(ConfigData["busServices"][pac] + "/exts/PublicTransportationSOE/transfer");
			transferTask.execute(transferParameter,function(results){
				$.extend(true, results, {"start":qArgs.start.geometry,"end":qArgs.end.geometry});
				results.searchtype=prior;
				results.routeType="bus";
				results.pac = pac;
				resultCallback(results, qArgs);
			},function(err){
				errorCallback(err.error, qArgs);
			});
		},
		queryCarRoute: function(qArgs, resultCallback, errorCallback) {
			var impedanceAttribute="Time";
			if(qArgs.searchtype){
				switch(qArgs.searchtype){
				case "time":
					impedanceAttribute="Minutes";
					break;
				case "distance":
					impedanceAttribute="Meters";
					break;
				default:
					break;
				}
			}
			var routeTask = new RouteTask(this.options.route_service);
			var routeParas = new RouteParameters();
			routeParas.barriers = new FeatureSet();
			routeParas.stops = new FeatureSet();
			routeParas.returnDirections = true;
			routeParas.returnRoutes = true;
			routeParas.outSpatialReference = this.map.spatialReference;
			routeParas.impedanceAttribute=impedanceAttribute;
			var g1 = this.filter(qArgs.start);
			var g2 = this.filter(qArgs.end);

			routeParas.stops.features.push(g1);
			routeParas.stops.features.push(g2);

			routeTask.solve(routeParas, lang.hitch(this, function(result) {
				result.searchtype=qArgs.searchtype;
				result.routeType="car";
				resultCallback(result, qArgs);
			}), lang.hitch(this, function(err) {
				errorCallback({message:"未能查询到路线结果！"}, qArgs);
			}));
		},
		filter: function(graphic) {
			var g = new Graphic(graphic.geometry);
			g.setAttributes({
				NAME: graphic.attributes.NAME
			})
			return g;
		}
	});
});