var lineOfSight = [];
function CreateLineOfSight(height,callback) {
    let line = sgworld.drawObj = sgworld.Analysis.createlineOfSight({height}, function (Distance) {
        callback && callback();
    });
    lineOfSight.push(line);
}

function ClearLineOfSight() {
    lineOfSight.forEach(line => {
        line && line.deleteObject();
    })
    lineOfSight = [];
}


//视域分析
var viewshed = null;
var isFirstAddViewshed = true;
var SYFX_visible_color, SYFX_notVisible_color;

function addViewshed(height) {
    if (isFirstAddViewshed) {
        isFirstAddViewshed = false;
    } else {
        clearnViewshed();
    }
    // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.hide();
    viewshed = sgworld.drawObj = sgworld.Analysis.create3DViewshed({
        name: 'Viewshed On Frederick',
        height: height === undefined ? 0 : height,
        color: {
            Back: SYFX_notVisible_color,
            Fore: SYFX_visible_color,
            default: window.shadowMap_color
        },
        end: () => {
            setShadows('open');
            // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.show();
        }
    });
}

//删除视域分析
function clearnViewshed() {
    if (viewshed) {
        viewshed.close();
        viewshed = null;
    } else if (window.parent.viewshed) {
        window.parent.viewshed.close();
        window.parent.viewshed = null;
    }
    setShadows('close');
}

var default_shadows_value;

function setShadows(type) {
    switch (type) {
        case 'open':
            default_shadows_value = sgworld._Viewer.shadows;
            if (!default_shadows_value) {
                window.shadows = true;
                sgworld._Viewer.shadows = true;
            }
            break;
        case 'close':
            if (default_shadows_value !== undefined && sgworld._Viewer.shadows !== default_shadows_value) {
                sgworld._Viewer.shadows = !!default_shadows_value;
                window.shadows = !!default_shadows_value;
            }
            default_shadows_value = undefined;
            break;
    }
}

//画点
var buff;
var buffRadius = 100;
var DrawPointBuffer = function () {
    // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.hide();
    buff = sgworld.drawObj = sgworld.Analysis.DrawPointBuffer(buffRadius, function () {
        // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.show();
    });
}

//画线
var DrawPolylineBuffer = function () {
    // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.hide();
    buff = sgworld.drawObj = sgworld.Analysis.DrawPolylineBuffer(buffRadius, function () {
        // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.show();
    });
}

//画面
var DrawPolygonBuffer = function () {
    // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.hide();
    buff = sgworld.drawObj = sgworld.Analysis.DrawPolygonBuffer(buffRadius, function () {
        // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.show();
    });
}

//设置缓冲半径
var setBuff = function (num) {
    if (buff) {
        buff.changeBurr(num);
    }
    buffRadius = num;
}

//清除
var clearBuff = function () {
    if (buff) {
        buff.clearBuff();
    }
}


var default_depthTestAgainstTerrain_value;

function setDepthTest(type) {
    switch (type) {
        case 'open':
            default_depthTestAgainstTerrain_value = Viewer.scene.globe.depthTestAgainstTerrain;
            if (!default_depthTestAgainstTerrain_value) {
                Viewer.scene.globe.depthTestAgainstTerrain = true;
                window.depth = true;
            }
            break;
        case 'close':
            if (Viewer.scene.globe.depthTestAgainstTerrain !== default_depthTestAgainstTerrain_value) {
                Viewer.scene.globe.depthTestAgainstTerrain = default_depthTestAgainstTerrain_value;
                window.depth = default_depthTestAgainstTerrain_value;
            }
            default_depthTestAgainstTerrain_value = undefined;
            break;
    }
}

function fnLayerHauto(type, h) {
    //判断该类型弹出来是否存在
    autoH = true;
    var $layer = $('#layui-layer' + type, document.parent);
    if (!type || $layer.length == 0) return;

    $layer.css({
        'height': h + 'px'
    });
    $layer.find('iframe').css('height', h - 40 + 'px');
    $layer.find('iframe').contents().find('body').css({
        'height': h - 40 + 'px',
        'overflow': 'hidden'
    });
    $layer.find('iframe')[0].contentWindow.scrollStart ? $layer.find('iframe')[0].contentWindow.scrollStart() : '';
}

function getElevationTool() {
    !window._ElevationTool && (window._ElevationTool = new ElevationTool());
    return window._ElevationTool;
}

//等高线和坡度图工具
let ElevationTool = function () {
    function _() {
        this.contourUniforms = undefined;
        this.shadingUniforms = undefined;
        this.min = {
            'elevation': 10,
            'slope': 0
        };
        this.max = {
            'elevation': 2000,
            'slope': 70
        };
        this.width = 2;
        this.spacing = 150;
        this.tf = false;
        this.contourColor = undefined;
        this.type = 'none';
        this.Contour = undefined;
        this.colorArr = ['#0b0b88', '#2747E0', '#D33B7D', '#D33038', '#FF9742', '#ffd700', '#bbff00'];
        this.startColor = '#0b0b88';
        this.endColor = '#bbff00';
    }

    _.prototype.render = function () {
        if (this.type === 'slope') {
            Cesium.ExpandBySmartEarth.displaySlopeMap = true;
            // this.setShopeColor();
        } else {
            Cesium.ExpandBySmartEarth.displaySlopeMap = false;
        }
        this.Contour = sgworld.Analysis.createElevationContour(this.tf, this.type === 'slope' ? 'none' : this.type, {
            colorArr: this.colorArr,
            min: this.min[this.type],
            max: this.max[this.type],
            width: this.width,
            spacing: this.spacing,
            lineColor: this.contourColor
        });
        this.shadingUniforms = this.Contour.item.shadingUniforms;
        this.contourUniforms = this.Contour.item.contourUniforms;
    };

    _.prototype.setContourColor = function (color) {
        this.contourColor = color;
        this.Contour && this.Contour.setMaterialColor(this.contourColor);
    };
    _.prototype.setShopeColor = function () {
        let arr = [];
        let min = this.min.slope;
        let max = this.max.slope;
        let length = (max - min) / 7;
        this.colorArr.forEach((color, index) => {
            arr.push({
                val: 100 * Math.cos(Cesium.Math.toRadians(min + length * index)),
                color: color
            });
        });
        Cesium.ExpandBySmartEarth.SlopeMapPallete = arr;
        Cesium.ExpandBySmartEarth.isSlopeDirty = !0;
    };

    //等高线宽
    _.prototype.setWidth = function (num) {
        this.width = num;
        this.Contour && this.Contour.setWidth(this.width);
    };

    //等高线间距
    _.prototype.setSpacing = function (num) {
        this.spacing = num;
        this.Contour && this.Contour.setSpacing(this.spacing);
    };

    //起始颜色
    _.prototype.setStartColor = function (color) {
        this.startColor = color;
        this.colorArr = sgworld.Core.gradientColor(this.startColor, this.endColor, 7);
        this.render();
    };

    //终止颜色
    _.prototype.setEndColor = function (color) {
        this.endColor = color;
        this.colorArr = sgworld.Core.gradientColor(this.startColor, this.endColor, 7);
        this.render();
    };

    //最小值
    _.prototype.setMin = function (num) {
        this.min[this.type] = num;
        if (this.type === 'elevation') {
            this.shadingUniforms.minimumHeight = this.min[this.type];
        } else {
            this.render();
        }
    };

    //最大值
    _.prototype.setMax = function (num) {
        this.max[this.type] = num;
        if (this.type === 'elevation') {
            this.shadingUniforms.maximumHeight = this.max[this.type];
        } else {
            this.render();
        }
    };

    //最大值
    _.prototype.reset = function () {
        this.colorArr = ['#0b0b88', '#2747E0', '#D33B7D', '#D33038', '#FF9742', '#ffd700', '#bbff00'];
        this.render();
    };

    return _;
}();

function SunshineAnalysis(data) {
    // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.hide();
    window._AnalysisSunshine = sgworld.drawObj = sgworld.Analysis.SunshineAnalysisPolygon({
        start: data.start,
        end: data.end,
        interval: data.interval,
        spacing: data.spacing,
        addHeight: data.addHeight
    }, () => {
        // SmartEarthPopupData.layerContainer && SmartEarthPopupData.layerContainer.show();
    });
}

//清除分析
function clearAnalyse() {
    //淹没
    window._AnalysisFlood && window._AnalysisFlood.forEach(item => {
        item.endWater();
    });
    window._AnalysisFlood = [];
    //通视
    ClearLineOfSight();
    //视域
    clearnViewshed();
    //缓冲区
    clearBuff();
    //天际线
    sgworld.Analysis.clearSkylineAnalysis();
    //剖面
    // window._AnalysisDXPM && window._AnalysisDXPM.deleteObject();
    //开挖
    window.Excavation && window.Excavation.clear();
    window.Excavation = undefined;
    //地形压平
    sgworld.TerrainFlattening && sgworld.TerrainFlattening.remove();
    sgworld.TerrainFlattening = undefined;
    sgworld.Analysis.skyline = false;
    //日照
    window._AnalysisSunshine && window._AnalysisSunshine.remove();
    window._AnalysisSunshine = undefined;
    //模型压平
    sgworld.ModelFlattening && sgworld.ModelFlattening.remove();
    sgworld.ModelFlattening = undefined;

    //结束之前操作
    sgworld.drawObj &&
        (sgworld.drawObj.drawHandler && sgworld.drawObj.drawHandler.destroy(),
            sgworld.drawObj.end && sgworld.drawObj.end());
}

function showDXPMResult() {
    layerOpen("地形剖面分析", {
        width: '80%',
        offset: 'b',
        height: 280,
        url: "./static/html/AnalysisResultEchartLine.html",
        fn: {
            end: () => {
                //剖面
                window._AnalysisDXPM.flyPoint && Viewer.entities.remove(window._AnalysisDXPM.flyPoint);
                window._AnalysisDXPM && window._AnalysisDXPM.deleteObject();
                window._AnalysisDXPM = undefined;
            }
        },
    })
}

function addDXPMFlyPoint(position) {
    window._AnalysisDXPM.flyPoint && Viewer.entities.remove(window._AnalysisDXPM.flyPoint);
    window._AnalysisDXPM.flyPoint = Viewer.entities.add({
        position: position,
        billboard: {
            verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
            scale: 1,
            image: window.SmartEarthRootUrl + "/Workers/image/mark.png",
            heightReference: 1,
            disableDepthTestDistance: Number.POSITIVE_INFINITY,
        },
    });
}