//创建和初始化地图函数：
var maps = $('.map-content'),
    mapType = maps.eq(0).data('type');

function initGoogleMap() {
    maps.each(function (index, el) {
        var locations = [];
        $(this)
            .data('maps')
            .map(function (val, index) {
                locations.push({
                    company: val.company,
                    address: val.address,
                    lng: val.longitude,
                    lat: val.latitude,
                });
            });
        // const labels = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
        const map = new google.maps.Map(document.getElementById(el.id), {
            zoom: 5.6,
            center: { lat: 36.363882, lng: 120.044922 },
        });

        // Add 5 markers to map at random locations.
        // For each of these markers, give them a title with their index, and when
        // they are clicked they should open an infowindow with text from a secret
        // message.
        for (let i = 0; i < locations.length; ++i) {
            const marker = new google.maps.Marker({
                position: locations[i],
                map: map,
                // label: labels[i % labels.length],
            });
            const contentString = '<b>' + locations[i].company + '</b><br>Add: ' + locations[i].address;
            attachSecretMessage(map, marker, contentString);
        }
    });
}

// Attaches an info window to a marker with the provided message. When the
// marker is clicked, the info window will open with the secret message.
function attachSecretMessage(elMap, marker, contentString) {
    const infowindow = new google.maps.InfoWindow({
        content: contentString,
    });

    marker.addListener('click', () => {
        infowindow.open({
            anchor: marker,
            map: elMap,
            shouldFocus: false,
          });
    });
}

// function initGoogleMap() {
//     const map = new google.maps.Map(document.getElementById('dituContent'), {
//         zoom: 5.6,
//         center: { lat: 36.024, lng: 120.887 },
//     });
//     // Create an array of alphabetical characters used to label the markers.
//     const labels = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
//     // Add some markers to the map.
//     const markers = locations.map((location, i) => {
//         return new google.maps.Marker({
//             position: location,
//             label: labels[i % labels.length],
//             map: map,
//         });
//     });

//     // Add a marker clusterer to manage the markers.
//     new markerClusterer.MarkerClusterer({ map, markers });

//     markers.map(function (val, index) {
//         var contentString = '<b>sadadasdasd</b>'
//         var infowindow = new google.maps.InfoWindow({
//             content: contentString,
//         });
//         // val.addListener('click', function () {
//         //     this.map.setZoom(10);
//         //     this.map.setCenter(val.getPosition());
//         //     infowindow.open(this.map, val);
//         // });

//         val.addListener("click", () => {
//             infowindow.open({
//               anchor: val,
//               map,
//               shouldFocus: false,
//             });
//           });
//     });
// }

window.initBaiduMap = function () {
    window.map = [];

    maps.each(function (i, el) {
        var _this = $(this);
        // console.log(_this);
        createMap(i, _this); //创建地图
        setMapEvent(i); //设置地图事件
        addMapControl(i); //向地图添加控件
        addMarker(i, _this); //向地图中添加marker
    });
};

//创建地图函数：
function createMap(index, el) {
    var map = new BMap.Map(el.attr('id')); //在百度地图容器中创建一个地图
    mapData = el.data('maps')[index];
    // console.log(mapData);
    var point = new BMap.Point(mapData.longitude, mapData.latitude); //定义一个中心点坐标
    map.centerAndZoom(point, 10); //设定地图的中心点和坐标并将地图显示在地图容器中
    window.map[index] = map; //将map变量存储在全局
}

//地图事件设置函数：
function setMapEvent(index) {
    map[index].enableDragging(); //启用地图拖拽事件，默认启用(可不写)
    map[index].enableScrollWheelZoom(); //启用地图滚轮放大缩小
    map[index].enableDoubleClickZoom(); //启用鼠标双击放大，默认启用(可不写)
    map[index].enableKeyboard(); //启用键盘上下左右键移动地图
}

//地图控件添加函数：
function addMapControl(index) {
    //向地图中添加缩放控件
    var ctrl_nav = new BMap.NavigationControl({
        anchor: BMAP_ANCHOR_TOP_LEFT,
        type: BMAP_NAVIGATION_CONTROL_LARGE,
    });
    map[index].addControl(ctrl_nav);

    //向地图中添加比例尺控件
    var ctrl_sca = new BMap.ScaleControl({
        anchor: BMAP_ANCHOR_BOTTOM_LEFT,
    });
    map[index].addControl(ctrl_sca);
}

//创建marker
function addMarker(index, el) {
    //标注点数组
    var markerArr = [],
        childMpsaData = el.data('maps'),
        isOpen = childMpsaData.length > 1 ? false : true;

    childMpsaData.map(function (val, index) {
        markerArr.push({
            title: val.company,
            content: val.address,
            point: val.longitude + '|' + val.latitude,
        });
    });

    //创建InfoWindow
    function createInfoWindow(i) {
        var json = markerArr[i];
        var iw = new BMap.InfoWindow("<b class='iw_poi_title' title='" + json.title + "'>" + json.title + "</b><div class='iw_poi_content'>" + json.content + '</div>');
        return iw;
    }

    for (var i = 0; i < markerArr.length; i++) {
        var json = markerArr[i];
        var p0 = json.point.split('|')[0];
        var p1 = json.point.split('|')[1];
        var point = new BMap.Point(p0, p1);
        var marker = new BMap.Marker(point);
        var label = new BMap.Label(json.title, {
            offset: new BMap.Size(20, -5),
        });
        marker.setLabel(label);
        map[index].addOverlay(marker);
        label.setStyle({
            dispaly: 'none',
            borderColor: '#808080',
            color: '#333',
            cursor: 'pointer',
        });

        (function () {
            var index = i;
            var _iw = createInfoWindow(i);
            var _marker = marker;
            _marker.addEventListener('click', function () {
                this.openInfoWindow(_iw);
            });
            _iw.addEventListener('open', function () {
                _marker.getLabel().hide();
            });
            _iw.addEventListener('close', function () {
                _marker.getLabel().show();
            });
            label.addEventListener('click', function () {
                _marker.openInfoWindow(_iw);
            });
            if (isOpen) {
                label.hide();
                _marker.openInfoWindow(_iw);
            }
        })();
    }
}

function loadJScript() {
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.async = 'async';

    mapType == 'baidu'
        ? (script.src = 'https://api.map.baidu.com/api?v=2.0&ak=pe2p3HxSfMtADyac1Phe4L9kaSKVIfVB&callback=initBaiduMap')
        : (script.src = 'https://maps.googleapis.com/maps/api/js?key=AIzaSyCA0oxvo5ss47clK49L29HnTkdL_Zup8mA&language=en-US&callback=initGoogleMap');

    document.body.appendChild(script);
}

loadJScript(); //创建和初始化地图