/**
 * Created by Webyb on 2015/6/29.
 * @description 管理地图的模块，所有的地图操作必须由该模块完成。
 */
define(["base/AppEvent",
        "base/ConfigData",
        "dojo/_base/declare",
        "dojo/_base/lang",
        "esri/map",
        "dojo/aspect",
        "widgets/map/MapWidget",
        "dojo/dom-construct",
        "dojo/dom-style",
        "dojo/dom",
        "dojo/on",
        // "controls/mapswitch/MapSwitchControl",
        "controls/overview/OverviewControl",
        "controls/timeslider/TimeSliderControl",
        "esri/geometry/Point",
        "dojo/domReady!",
	],
	function(AppEvent,
		ConfigData,
		declare,
		lang,
		Map,
		aspect,
		MapWidget,
		domConstruct,
		domStyle,
		dom,
		on,
		// MapSwitchControl,
		OverviewControl,
		TimeSliderControl,
		Point) {
		return declare("MapManager", null, {
			/**
			 * 地图容器Div的id
			 */
			containerDiv: "mapcontentClass",
			/**
			 * 主MapWidget的实际地图对象
			 */
			_map: null,
			_mainMapWidget: null,
			_mapWidgets: [],
			_bottomMapWidget: null,
			_resizeTimer: null,
			/**
			 * 附属地图的事件委托索引
			 */
			_relateMapEventHandlerIndex: {},

			otherMapWidget: null, //用于测试

			constructor: function() {
				var boundFunction = lang.hitch(this, this.onConfigLoaded);
				AppEvent.addAppEventListener(AppEvent.CONFIG_LOADED, boundFunction);
				//当窗体大小发生变化时，调用map对象的resize方法
				AppEvent.addAppEventListener(AppEvent.APPLICATION_RESIZE, lang.hitch(this, this.onResizeHandler));
				AppEvent.addAppEventListener(AppEvent.APPEND_MAPWIDGET, lang.hitch(this, this.appendMapWidgetHandler));
				AppEvent.addAppEventListener(AppEvent.REMOVE_MAPWIDGET, lang.hitch(this, this.removeMapWidgetHandler));
			},
			onResizeHandler: function(evt) {
				var mapWidgets = this._mapWidgets;
				var bottomMapWidget = this._bottomMapWidget;
				//开始重新计算各个地图的位置
				//				console.log("开始重新计算各个地图的位置");
				var containerWidth = domStyle.get(dom.byId(this.containerDiv), "width");
				var containerHeight = domStyle.get(dom.byId(this.containerDiv), "height");
				//				console.log("containerWidth:"+containerWidth+" ---- containerHeight:" + containerHeight);
				if (mapWidgets.length == 0) {
					return;
				} else if (mapWidgets.length == 1) {
					var mapWidget = mapWidgets[0];
					domStyle.set(mapWidget.domNode, "position", "relative");
					domStyle.set(mapWidget.domNode, "width", containerWidth + "px");
					domStyle.set(mapWidget.domNode, "height", "100%");
					domStyle.set(mapWidget.domNode, "float", "");
					domStyle.set(mapWidget.domNode, "z-index", 1);
				} else if (mapWidgets.length == 2) {
					var leftMapWidget = mapWidgets[0];
					var rightMapWidget = mapWidgets[1];
					//设置左边地图位置
					domStyle.set(leftMapWidget.domNode, "position", "relative");
					domStyle.set(leftMapWidget.domNode, "float", "left");
					domStyle.set(leftMapWidget.domNode, "width", containerWidth / 2 + "px");
					domStyle.set(leftMapWidget.domNode, "height", "100%");
					domStyle.set(leftMapWidget.domNode, "z-index", 1);
					//设置右边地图位置
					domStyle.set(rightMapWidget.domNode, "position", "relative");
					domStyle.set(rightMapWidget.domNode, "float", "right");
					domStyle.set(rightMapWidget.domNode, "width", (containerWidth / 2 - 1) + "px"); //留出边框的宽度
					domStyle.set(rightMapWidget.domNode, "height", "100%");
					domStyle.set(rightMapWidget.domNode, "border-left", "1px solid #87898A");
					domStyle.set(rightMapWidget.domNode, "z-index", 1);
				}
				if (bottomMapWidget) {
					domStyle.set(bottomMapWidget.domNode, "position", "absolute");
					domStyle.set(bottomMapWidget.domNode, "width", containerWidth + "px");
					domStyle.set(bottomMapWidget.domNode, "height", containerHeight + "px");
					domStyle.set(bottomMapWidget.domNode, "float", "");
					domStyle.set(bottomMapWidget.domNode, "top", "0px");
					domStyle.set(bottomMapWidget.domNode, "left", "0px");
				}
				//执行各个地图的resize事件
				if (this._resizeTimer) {
					clearTimeout(this._resizeTimer);
				}
				this._resizeTimer = setTimeout(function() {
					for (var i = 0; i < mapWidgets.length; i++) {
						var mapWidget = mapWidgets[i];
						if (mapWidget.map && mapWidget.map.loaded) {
							mapWidget.map.resize();
							mapWidget.map.reposition();
						}
					}
					if (bottomMapWidget && bottomMapWidget.map && bottomMapWidget.map.loaded) {
						bottomMapWidget.map.resize();
						bottomMapWidget.map.reposition();
					}

				}, 500);
			},
			onConfigLoaded: function() {
				this.createMainMapWidget();
			},
			/**
			 * 创建系统的主MapWidget对象
			 */
			createMainMapWidget: function() {
				_mainMapWidget = new MapWidget({
					id: "mainMapWidget",
					cssPath: "widgets/map/MapWidget.css"
				});
				ConfigData.mapWidgetId = "mainMapWidget";
				AppEvent.dispatchAppEvent(AppEvent.APPEND_MAPWIDGET, {
					mapwidget: _mainMapWidget,
					relate: true
				});
			},
			appendMapWidgetHandler: function(data) {
				if (this._mapWidgets.length == 1) {
					alert("系统中最多可展现1个地图，不能再增加地图。");
					return;
				}
				var mapWidget = data.mapwidget;
				//如果mapWidget没有ID，则随机生成一个
				if (!mapWidget.id) {
					mapWidget.id = uuid();
				} else {
					//防止添加两个一样的mapWidget
					for (var i = 0; i < this._mapWidgets.length; i++) {
						if (this._mapWidgets[i].id == mapWidget.id) {
							alert("系统中已有一个ID为" + mapWidget.id + "的地图存在，故无法再次添加");
							return;
						}
					}
					if (this._bottomMapWidget && this._bottomMapWidget.id == mapWidget.id) {
						alert("系统中已有一个ID为" + mapWidget.id + "的地图存在，故无法再次添加");
						return;
					}
				}
				if (data.type == "bottom") {
					domConstruct.place(mapWidget.domNode, dom.byId(this.containerDiv), "first");
				} else {
					domConstruct.place(mapWidget.domNode, dom.byId(this.containerDiv));
				}

				if (this._mapWidgets.length == 0) {
					//说明是主地图
					aspect.after(mapWidget, "onload", lang.hitch(this, function(map) {
						AppEvent.dispatchAppEvent(AppEvent.BASE_MAP_LAYER_LOADED, map);
					}));
				}
				mapWidget.startup();
				if (this._mapWidgets.length == 0) {
// 					//说明是主地图
// 					this._mainMapWidget = mapWidget;
// 					this._map = this._mainMapWidget.map;
// 					this._map.on("extent-change", lang.hitch(this, function(evt) {
// 						//地图移动范围移动事件
// 						//AppEvent.dispatchAppEvent(AppEvent.MAP_EXTENT_CHANGE, evt);
// 					}));
				
// 					//给主地图添加鹰眼、地图切换控件
// 					var mapSwitchControl = new MapSwitchControl({
// 						map: this._map,
// 						cssPath: "controls/mapswitch/MapSwitchControl.css"
// 					});
// 					this._mainMapWidget.addControl(mapSwitchControl);
					
// 					var overviewControl = new OverviewControl({
// 						grouplayersConfig: ConfigData.basemap.grouplayers,
// 						visibleGroupLayerId: "veclry",
// 						cssPath: "controls/overview/OverviewControl.css"
// 					});
// 					this._mainMapWidget.addControl(overviewControl);

// 					//添加对开启关闭事件的监听


// 					var groupLayerId = null;
// 					var setLayerId = null;

// 					function onWidgetOpened(widgetArgs) {
// 						//判断是否是多时相控件
// //						if (widgetArgs.name == "MultidateWidget") {
// //							timesliderControl.show();
// //							groupLayerId = this._mainMapWidget._currentVisibleGroupLayer.id;
// //							setLayerId = this._mainMapWidget._currentVisibleSetLayer.id;
// //						}
						
// 						if (widgetArgs.name == "SwipeWidget") {
// 							var widget = widgetArgs.instance;
// 							widget.initMouseDragHandler(this._mainMapWidget);
// 							this._mainMapWidget.map.setExtent(this._mainMapWidget.map.extent);
// 							groupLayerId = this._mainMapWidget._currentVisibleGroupLayer.id;
// 							// setLayerId = this._mainMapWidget._currentVisibleSetLayer.id;
// 						}

// 					}

// 					function onWidgetClosed(widgetArgs) {
// 							//多时相
// //						if (widgetArgs.name == "MultidateWidget") {
// //							timesliderControl.hide();
// //							AppEvent.dispatchAppEvent(AppEvent.SWITCH_BASEMAP,{
// //								hockId: this._mainMapWidget.id,
// //								grouplayer: groupLayerId,
// //								setlayer: setLayerId,
// //								sender:this._mainMapWidget.id
// //							});
// //						}
						
// 						if (widgetArgs.name == "SwipeWidget") {
// 							var widget = widgetArgs.instance;
// 							widget.removeMouseDragHandler(this._mainMapWidget);
// 							AppEvent.dispatchAppEvent(AppEvent.SWITCH_BASEMAP,{
// 								hockId: this._mainMapWidget.id,
// 								grouplayer: groupLayerId,
// 								sender:this._mainMapWidget.id
// 							});
// 						}
// 					}
// 					AppEvent.addAppEventListener(AppEvent.WIDGET_OPENED, lang.hitch(this, onWidgetOpened));
// 					AppEvent.addAppEventListener(AppEvent.WIDGET_CLOSED, lang.hitch(this, onWidgetClosed));

// 					//绑定菜单
// 					AppEvent.addAppEventListener(AppEvent.WIDGET_LOADED, lang.hitch(this, function(evt) {
// 						if (evt.name == "MenuWidget") {
// 							AppEvent.dispatchAppEvent(AppEvent.BIND_MENU, {
// 								menuId: "mapMenu",
// 								dom: this._mainMapWidget.domNode
// 							});
// 						}
// 					}));
// 					AppEvent.addAppEventListener(AppEvent.MENU_ITEM_CLICKED, lang.hitch(this, function(evt) {
//                         if (evt.menuId == "mapMenu") {
// 							if (evt.menuItemId == "zoomIn") {
// 								this._mainMapWidget.map.setZoom(this._mainMapWidget.map.getZoom() + 1);
// 							} else if (evt.menuItemId == "zoomOut") {
// 								this._mainMapWidget.map.setZoom(this._mainMapWidget.map.getZoom() - 1);
// 							}
// 							else if(evt.menuItemId=="setStartPoint"||evt.menuItemId=="setEndPoint"){
//                                 _AppEvent.dispatchAppEvent(_AppEvent.RUN_WIDGET,"routeWidget");
//                                 _AppEvent.dispatchAppEvent("changeWidgets",{id:"routeWidget"});
//                                 AppEvent.dispatchAppEvent("routeSearch",{
//                                     menuId: evt.id,
//                                     menuItemId: evt.menuItemId,
//                                     coordinate: evt.coordinate,
//                                 });
// 							}
// 						}
// 					}));
				}
				
				if (data.type == "bottom") {
					this._bottomMapWidget = mapWidget;
				} else {
					this._mapWidgets.push(mapWidget);
				}
				if (data.relate) {
					var content = {
						sourceId: mapWidget.id,
						mapManager: this
					}
					this._relateMapEventHandlerIndex[mapWidget.id] = aspect.after(mapWidget, MapWidget.EXTENT_CHANGE, lang.hitch(content, function(ext) {
						for (var index in this.mapManager._mapWidgets) {
							if (this.mapManager._mapWidgets[index].id == this.sourceId) {
								continue;
							}
							this.mapManager._mapWidgets[index].setExtent(ext);
						}
						if (this.mapManager._bottomMapWidget && this.mapManager._bottomMapWidget.id != this.sourceI) {
							this.mapManager._bottomMapWidget.setExtent(ext);
						}
					}));
				}

				//调用窗体变化事件，重新计算各个map的位置
				this.onResizeHandler();
			},
			removeMapWidgetHandler: function(id) {
				if (this._mainMapWidget.id == id) {
					return; //主地图是不能移除的
				}
				var mapWidget = this._getMapWidgetById(id);
				this._relateMapEventHandlerIndex[mapWidget.id].remove();
				delete this._relateMapEventHandlerIndex[mapWidget.id];
				for (var i = 1; i < this._mapWidgets.length; i++) {
					if (this._mapWidgets[i].id == id) {
						this._mapWidgets.splice(i, 1);
						break;
					}
				}
				if (this._bottomMapWidget && this._bottomMapWidget.id == id) {
					this._bottomMapWidget = null;
				}
				//domConstruct.destroy(mapWidget.domNode.id);
				//mapWidget=null;
				if (mapWidget.destroyRecursive) {
					mapWidget.destroyRecursive();
				}
				mapWidget = null;
				this.onResizeHandler();
			},
			_getMapWidgetByMapId: function(id) {
				for (var i in this._mapWidgets) {
					if (this._mapWidgets[i].map.id == id) {
						return this._mapWidgets[i];
					}
				}
				if (this._bottomMapWidget && this._bottomMapWidget.map.id == id) {
					return this._bottomMapWidget
				}
			},
			_getMapWidgetById: function(id) {
				for (var i in this._mapWidgets) {
					if (this._mapWidgets[i].id == id) {
						return this._mapWidgets[i];
					}
				}
				if (this._bottomMapWidget && this._bottomMapWidget.id == id) {
					return this._bottomMapWidget
				}
			}
		});
	});