;(function (window) {
    var sysMapObj = null,
        sysInfoWindowAll = {},
        sysZoomNumber=12,
        sysPointKey = "_point";

    var mapApp = function (selector, lon = 113.34693, lat = 28.21849) {
        return new mapApp.fn.init(selector, lon, lat);
    }

    mapApp.fn = mapApp.prototype = {
        constructor: mapApp,

        init: function (selector, lon, lat) {
            this.selector = selector;
            this.lon = lon;
            this.lat = lat;
            this.initMap = function () {
                return this.initMapMethod();
            }

            this.createMarkerInfo = function (message, obj) {
                return this.markerInfoMethod(message, obj)
            }
            this.getSysMapObj = function () {
                return sysMapObj;
            }

            this.getLocateMarker = function (hhMarkerId) {
                return this.getLocateMarkerMethod(hhMarkerId)
            }
        },

        initMapMethod() {
            if (document.querySelector("#" + this.selector).length == 0) {
                alert(`初始化方法元素节点${"#" + this.selector}不存在!`);
                return;
            }
            sysMapObj = new BMapGL.Map(this.selector);

            sysMapObj.centerAndZoom(this.getPoint(), sysZoomNumber);   //设置中心点
            sysMapObj.enableScrollWheelZoom(true); // //开启鼠标滚轮缩放

            var scaleCtrl = new BMapGL.ScaleControl();  // 添加比例尺控件
            sysMapObj.addControl(scaleCtrl);

            var zoomCtrl = new BMapGL.ZoomControl();  // 添加缩放控件
            sysMapObj.addControl(zoomCtrl);

            var cityCtrl = new BMapGL.CityListControl();  // 添加城市列表控件
            sysMapObj.addControl(cityCtrl);

            var locationCtrl = new BMapGL.LocationControl({
                anchor: BMAP_ANCHOR_BOTTOM_RIGHT,
                offset: new BMapGL.Size(10, 80)
            });;
            sysMapObj.addControl(locationCtrl);// 添加定位控件

            //sysMapObj.setHeading(64.5);
            //sysMapObj.setTilt(73);
            return this;
        },
        /**
         * 创建标注和信息框
         * obj {  title: x,  longitude: longitude, latitude:latitude }
         */
        markerInfoMethod: function (message, obj) {
            let point = this.getPoint(obj.longitude, obj.latitude),
                marker = new BMapGL.Marker(point),     // 创建标注
                markerId = obj.id.toString();          //自定义标注唯一ID
            marker.hhId = markerId;                      
            sysMapObj.addOverlay(marker);              // 将标注添加到地图中

            var opts = {
                width: 300,      // 信息窗口宽度
                height: 100,     // 信息窗口高度
                title: obj.title, // 信息窗口标题
            }
            let infoWindow = new BMapGL.InfoWindow(message, opts);  // 创建信息窗口对象 
            sysMapObj.openInfoWindow(infoWindow, point); //开启信息窗口

            if (!sysInfoWindowAll[markerId]) {
                sysInfoWindowAll[markerId] = infoWindow;
                sysInfoWindowAll[markerId + sysPointKey] = point;
            }
            marker.addEventListener("click", function () {
                sysMapObj.openInfoWindow(infoWindow, point); //开启信息窗口
            });

            return this;
        },

        getPoint(lon, lat) {
            var longitude = lon ?? this.lon;
            var latitude = lat ?? this.lat;
            var point = new BMapGL.Point(longitude, latitude);
            return point;
        },

        /**
         * 地址解析经纬度
         */
        getPointByAddress(address, successCallBack, errorCallBack) {
            //创建地址解析器实例
            var myGeo = new BMapGL.Geocoder();
            // 将地址解析
            myGeo.getPoint(address, function (point) {
                if (point) {
                    successCallBack(point)
                    return;
                }
                successCallBack(null)
                alert('您输入的地址没有解析到结果！');
            }, function (err) {
                alert("地址解析异常:", err);
            })
        },

        /**
         * 查找Marker并打开对应的infoWindow信息框
         */
        getLocateMarkerMethod(markerId) {
            var overlays = sysMapObj.getOverlays();
            for (var i = 0; i < overlays.length; i++) {
                var overlay = overlays[i];
                if (overlay.hhId == markerId) {
                    var pos = overlay.getPosition();
                    sysMapObj.panTo(pos);                                        // 定位到 Marker
                    overlay.setAnimation(BMAP_ANIMATION_BOUNCE);                 // 添加动画效果
                    let infoWindow = sysInfoWindowAll[markerId];
                    if (infoWindow) {
                        sysMapObj.centerAndZoom(pos, sysZoomNumber);            //设置中心点
                        let point = sysInfoWindowAll[markerId + sysPointKey];
                        sysMapObj.openInfoWindow(infoWindow, point);            // 打开对应的 infoWindow 
                    }
                    break;
                }
            }
        }
    }

    mapApp.fn.init.prototype = mapApp.fn;

    window.mapApp = mapApp;
})(window, undefined);