using TEAMModelOS.Service.Model.PowerPoint;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Xml;
using TEAMModelOS.SDK.Helper.Common.ColorHelper;
using TEAMModelOS.Service.Models.PowerPoint.Inner;

namespace TEAMModelOS.Service.Services.PowerPoint.Implement
{
    public static class ShapeHelper
    {
        private const int degree = 4;
        private const double px96 = 96.00, px72 = 72.00, px914400 = 914400.00, px12700 = 12700.00;
        private const double rot60000 = 60000.00;

        public static XmlNamespaceManager xmlnsManager;
        public static XmlNode GetTextByPath(this XmlDocument document, string expression)
        {
            return document.SelectSingleNode(expression, xmlnsManager);
        }
        public static XmlNode GetTextByPath(this XmlNode node, string expression)
        {

            return node.SelectSingleNode(expression, xmlnsManager);
        }


        public static XmlNodeList GetTextByPathList(this XmlDocument document, string expression)
        {
            return document.SelectNodes(expression, xmlnsManager);
        }
        public static XmlNodeList GetTextByPathList(this XmlNode node, string expression)
        {
            return node.SelectNodes(expression, xmlnsManager);
        }


        static ShapeHelper()
        {
            xmlnsManager = new XmlNamespaceManager(new NameTable());
            xmlnsManager.AddNamespace("p", "http://schemas.openxmlformats.org/presentationml/2006/main");
            xmlnsManager.AddNamespace("a", "http://schemas.openxmlformats.org/drawingml/2006/main");
            xmlnsManager.AddNamespace("xsl", "http://www.w3.org/1999/XSL/Transform");
            xmlnsManager.AddNamespace("fo", "http://www.w3.org/1999/XSL/Format");
            xmlnsManager.AddNamespace("app", "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties");
            xmlnsManager.AddNamespace("cp", "http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
            xmlnsManager.AddNamespace("dc", "http://purl.org/dc/elements/1.1/");
            xmlnsManager.AddNamespace("dcterms", "http://purl.org/dc/terms/");
            xmlnsManager.AddNamespace("dcmitype", "http://purl.org/dc/dcmitype/");
            xmlnsManager.AddNamespace("rel", "http://schemas.openxmlformats.org/package/2006/relationships");
            xmlnsManager.AddNamespace("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
            xmlnsManager.AddNamespace("cus", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties");
            xmlnsManager.AddNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes");
            xmlnsManager.AddNamespace("pic", "http://schemas.openxmlformats.org/drawingml/2006/picture");
            xmlnsManager.AddNamespace("dsp", "http://schemas.microsoft.com/office/drawing/2008/diagram");
            xmlnsManager.AddNamespace("dgm", "http://schemas.openxmlformats.org/drawingml/2006/diagram");
            xmlnsManager.AddNamespace("a14", "http://schemas.microsoft.com/office/drawing/2010/main");
            xmlnsManager.AddNamespace("m", "http://schemas.openxmlformats.org/officeDocument/2006/math");
            xmlnsManager.AddNamespace("mc", "http://schemas.openxmlformats.org/markup-compatibility/2006");
            xmlnsManager.AddNamespace("p14", "http://schemas.microsoft.com/office/powerpoint/2010/main");
            xmlnsManager.AddNamespace("pkg", "http://schemas.microsoft.com/office/2006/xmlPackage");
            xmlnsManager.AddNamespace("p15", "http://schemas.microsoft.com/office/powerpoint/2012/main");
            xmlnsManager.AddNamespace("a16", "http://schemas.microsoft.com/office/drawing/2014/main");
            xmlnsManager.AddNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance");
            xmlnsManager.AddNamespace("c", "http://schemas.openxmlformats.org/drawingml/2006/chart");
            xmlnsManager.AddNamespace("c14", "http://schemas.microsoft.com/office/drawing/2007/8/2/chart");
            xmlnsManager.AddNamespace("c16", "http://schemas.microsoft.com/office/drawing/2014/chart");
            xmlnsManager.AddNamespace("cs", "http://schemas.microsoft.com/office/drawing/2012/chartStyle");
            xmlnsManager.AddNamespace("thm15", "http://schemas.microsoft.com/office/thememl/2012/main");
            xmlnsManager.AddNamespace("fn", "http://www.w3.org/2005/xpath-functions");
        }
        /// <summary>
        /// 调色补充 Shade Tint  LumMod LumOff 等
        /// </summary>
        /// <param name="nodeXml"></param>
        /// <param name="colorHex"></param>
        /// <returns></returns>
        public static string ColorToning(string nodeXml, string colorHex)
        {
            if (string.IsNullOrEmpty(colorHex)) { return null; }
            TEAMModelOS.SDK.Helper.Common.ColorHelper.ColorConverter converter = new TEAMModelOS.SDK.Helper.Common.ColorHelper.ColorConverter();
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(nodeXml);
            XmlNode tint = doc.SelectSingleNode("//a:tint/@val", xmlnsManager);
            if (tint != null)
            {
                colorHex = converter.SetTint(colorHex, double.Parse(tint.Value));
            }
            XmlNode hueMod = doc.SelectSingleNode("//a:hueMod/@val", xmlnsManager);
            if (hueMod != null)
            {
                colorHex = converter.SetHueMod(colorHex, double.Parse(hueMod.Value));
            }
            XmlNode satMod = doc.SelectSingleNode("//a:satMod/@val", xmlnsManager);
            if (satMod != null)
            {
                colorHex = converter.SetSaturationMod(colorHex, double.Parse(satMod.Value));
            }
            XmlNode satOff = doc.SelectSingleNode("//a:satOff/@val", xmlnsManager);
            if (satOff != null)
            {
                colorHex = converter.SetSaturationOff(colorHex, double.Parse(satOff.Value));
            }
            XmlNode lumMod = doc.SelectSingleNode("//a:lumMod/@val", xmlnsManager);
            if (lumMod != null)
            {
                colorHex = converter.SetLuminanceMod(colorHex, double.Parse(lumMod.Value));
            }
            XmlNode lumOff = doc.SelectSingleNode("//a:lumOff/@val", xmlnsManager);
            if (lumOff != null)
            {
                colorHex = converter.SetLuminanceOff(colorHex, double.Parse(lumOff.Value));
            }

            XmlNode hueOff = doc.SelectSingleNode("//a:hueOff/@val", xmlnsManager);
            if (hueOff != null)
            {
                colorHex = converter.SetHueOff(colorHex, double.Parse(hueOff.Value));
            }

            XmlNode alphaOff = doc.SelectSingleNode("//a:alphaOff/@val", xmlnsManager);
            if (alphaOff != null)
            {
                // Color color= ColorTranslator.FromHtml("#" + colorHex);
                //   color = Color.FromArgb(byte.Parse(int.Parse(alpha.Value)/100000+""),color.R,color.G,color.B);
            }
            XmlNode shade = doc.SelectSingleNode("//a:shade/@val", xmlnsManager);
            if (shade != null)
            {
                colorHex = converter.SetShade(colorHex, double.Parse(shade.Value));
            }

            XmlNode alpha = doc.SelectSingleNode("//a:alpha/@val", xmlnsManager);
            if (alpha != null)
            {
                // Color color= ColorTranslator.FromHtml("#" + colorHex);
                //   color = Color.FromArgb(byte.Parse(int.Parse(alpha.Value)/100000+""),color.R,color.G,color.B);
            }

            return colorHex;
        }

        public static Border GetBorder(XmlNode node, bool isSvgMode, string bType, Dictionary<string, string> slideLayoutClrOvride, XmlNode slideMasterContent ,  XmlNode themeContent)
        {
            var borderWidth = 0.0;
            if (node.Name.Equals("p:cxnSp"))
            {
                borderWidth = 0.75;
            }
            Border border = new Border() { width = borderWidth };
           
            XmlNode lineNode = null;
            if (bType == "shape")
            {
               // cssText = "border: ";
                lineNode = node.GetTextByPath("p:spPr/a:ln");// node["p:spPr"]["a:ln"];
            }
            else if (bType == "text")
            {
              //  cssText = "";
                lineNode = ShapeHelper.GetTextByPath(node, "a:rPr/a:ln");// node["a:rPr"]["a:ln"];

            }
            if (lineNode != null)
            {
                XmlNode wnode = lineNode.GetTextByPath("@w");
                if (wnode != null)
                {
                    border.width = double.Parse(wnode.Value) / px12700;
                }
                // Border width: 1pt = 12700, default = 0.75pt
                //  borderWidth = double.Parse(ShapeHelper.GetTextByPath(lineNode, "@w").Value) / px12700;
                //if (wnode != null || borderWidth < 1)
                //{
                //    cssText += "0pt ";
                //}
                //else
                //{
                //    borderWidth=
                //    cssText += borderWidth + "pt ";
                //}
            }

            // Border type
            if (lineNode != null)
            {
                var borderType = ShapeHelper.GetTextByPath(lineNode, "a:prstDash/@val");
                if (borderType != null)
                {
                    switch (borderType.Value)
                    {
                        case "solid":
                            border.type = "solid";
                            border.stroke = "0";
                            break;
                        case "dash":
                            border.type += "dashed";
                            border.stroke = "5";
                            break;
                        case "dashDot":
                            border.type = "dashed";
                            border.stroke = "5, 5, 1, 5";
                            break;
                        case "dot":
                            border.type = "dotted";
                            border.stroke = "1, 5";
                            break;
                        case "lgDash":
                            border.type = "dashed";
                            border.stroke = "10, 5";
                            break;
                        case "lgDashDotDot":
                            border.type = "dashed";
                            border.stroke = "10, 5, 1, 5, 1, 5";
                            break;
                        case "sysDash":
                            border.type = "dashed";
                            border.stroke = "5, 2";
                            break;
                        case "sysDashDot":
                            border.type = "dashed";
                            border.stroke = "5, 2, 1, 5";
                            break;
                        case "sysDashDotDot":
                            border.type = "dashed";
                            border.stroke = "5, 2, 1, 5, 1, 5";
                            break;
                        case "sysDot":
                            border.type = "dotted";
                            border.stroke = "2, 5";
                            break;
                        case null:
                        //console.log(borderType);
                        default:
                            border.type = "solid";
                            border.stroke = "0";
                            break;
                    }
                }
            }
            else {
                border.type = "solid";
                border.stroke = "0";
            }
            // Border color
            string borderColorstr = "";
            if (lineNode != null) {
                //var borderColor = ShapeHelper.GetTextByPath(lineNode, "a:solidFill/a:srgbClr/@val");
                //if (borderColor == null)
                //{
                //    var schemeClrNode = ShapeHelper.GetTextByPathList(lineNode, "a:solidFill/a:schemeClr");
                //    if (schemeClrNode != null)
                //    {
                //        var schemeClr = ShapeHelper.GetTextByPath(lineNode, "a:solidFill/a:schemeClr/@val");
                //        borderColorstr = GetSchemeColorFromTheme(schemeClr.Value, null, slideLayoutClrOvride, themeContent);
                //        borderColorstr = ShapeHelper.ColorToning(lineNode.OuterXml, borderColorstr);
                //    }
                //}

                borderColorstr= GetSolidFill(lineNode, slideLayoutClrOvride, slideMasterContent, themeContent);
                borderColorstr = ShapeHelper.ColorToning(lineNode.OuterXml, borderColorstr);
            }
            

            // 2. drawingML namespace
            if (string.IsNullOrEmpty(borderColorstr))
            {
               XmlNode lnRefNode =  ShapeHelper.GetTextByPath(node, "p:style/a:lnRef");
                if (lnRefNode != null) {
                    borderColorstr = GetSolidFill(lnRefNode, slideLayoutClrOvride, slideMasterContent, themeContent);
                    borderColorstr = ShapeHelper.ColorToning(lnRefNode.OuterXml, borderColorstr);
                }
                //var schemeClrNode = ShapeHelper.GetTextByPathList(node, "p:style/a:lnRef/a:schemeClr");
                //if (schemeClrNode != null)
                //{
                //    var schemeClr = ShapeHelper.GetTextByPath(node, "p:style/a:lnRef/a:schemeClr/@val");
                //    if (schemeClr != null)
                //    {
                //        borderColorstr = GetSchemeColorFromTheme(schemeClr.Value, null, slideLayoutClrOvride, themeContent);
                //    }
                //}
                //if (borderColor != null)
                //{
                //    var shade = ShapeHelper.GetTextByPath(node, "p:style/a:lnRef/a:schemeClr/a:shade/@val");
                //    if (shade != null)
                //    {
                //        double shaded = double.Parse(shade.Value) / 100000.0;
                //        var color = ColorTranslator.FromHtml("#" + borderColor);
                //        ColorHSL colorHSL = ColorHelper.RgbToHsl(new ColorRGB(color.R, color.G, color.B));
                //        colorHSL.L = colorHSL.L * shaded;
                //        ColorRGB colorRGB = colorHSL.HslToRgb();
                //        borderColorstr = ColorTranslator.ToHtml(Color.FromArgb(colorRGB.R, colorRGB.G, colorRGB.B));
                //        // borderColor = color.hex.replace("#", "");
                //    }
                //}

            }
            if (!string.IsNullOrEmpty(borderColorstr)) {
                border.color = borderColorstr;
                if (border.width == 0.0) {
                    border.width = 1;
                }
            }
            return border;

            //if (borderColor == null)
            //{
            //    if (isSvgMode)
            //    {
            //        borderColorstr = "none";
            //    }
            //    else
            //    {
            //        borderColorstr = "#000";
            //    }
            //}
            //else
            //{
            //    borderColorstr = "#" + borderColorstr;

            //}
            //cssText += " " + borderColor + " ";
            //if (borderType != null)
            //{
            //    if (isSvgMode)
            //    {
            //        return new Border { Color = borderColorstr, Width = (int)borderWidth, Type = borderType.Value, Stroke = strokeDasharray };
            //    }
            //    else
            //    {
            //        return border;
            //    }
            //}
            //else
            //{

            //    if (isSvgMode)
            //    {
            //        return new Border { Color = borderColorstr, Width = (int)borderWidth, Type = "", Stroke = strokeDasharray };
            //    }
            //    else
            //    {
            //        return border;
            //    }
            //}




        }

        public static string GetSchemeColorFromTheme(string schemeClr, XmlNode sldMasterNode, Dictionary<string, string> slideLayoutClrOvride, XmlNode themeContent)
        {
            //<p:clrMap ...> in slide master
            // e.g. tx2="dk2" bg2="lt2" tx1="dk1" bg1="lt1" slideLayoutClrOvride

            if (slideLayoutClrOvride == null || slideLayoutClrOvride.Count <= 0)
            {
                if (sldMasterNode != null)
                {
                    var sldLayoutClrOvr = ShapeHelper.GetTextByPath(sldMasterNode, "p:sldMaster/p:clrMap");
                    if (sldLayoutClrOvr != null)
                    {
                        //获取 overrideClrMapping所有属性节点   检查测试 是否slideLayoutClrOvride 需要被覆盖
                        slideLayoutClrOvride = new Dictionary<string, string>() {
                            {  "accent1", sldLayoutClrOvr.GetTextByPath("@accent1").Value},
                            {  "accent2", sldLayoutClrOvr.GetTextByPath("@accent2").Value},
                            {  "accent3", sldLayoutClrOvr.GetTextByPath("@accent3").Value},
                            {  "accent4", sldLayoutClrOvr.GetTextByPath("@accent4").Value},
                            {  "accent5", sldLayoutClrOvr.GetTextByPath("@accent5").Value},
                            {  "accent6", sldLayoutClrOvr.GetTextByPath("@accent6").Value},
                            {  "bg1", sldLayoutClrOvr.GetTextByPath("@bg1").Value},
                            {  "bg2", sldLayoutClrOvr.GetTextByPath("@bg2").Value},
                            {  "folHlink", sldLayoutClrOvr.GetTextByPath("@folHlink").Value},
                            {  "hlink", sldLayoutClrOvr.GetTextByPath("@hlink").Value},
                            {  "tx1", sldLayoutClrOvr.GetTextByPath("@tx1").Value},
                            {  "tx2", sldLayoutClrOvr.GetTextByPath("@tx2").Value}
                        };
                    }
                }
            }
            if (!schemeClr.StartsWith("a:"))
            {
                schemeClr = "a:" + schemeClr;
            }
            //console.log(slideLayoutClrOvride);
            var schmClrName = schemeClr.Replace("a:", "");

            if (slideLayoutClrOvride != null)
            {
                switch (schmClrName)
                {
                    case "tx1":
                    case "tx2":
                    case "bg1":
                    case "bg2":
                        schemeClr = "a:" + slideLayoutClrOvride[schmClrName];
                        //schemeClr = "a:" + slideLayoutClrOvride[schmClrName];
                        //console.log(schmClrName+ "=> "+schemeClr);
                        break;
                }
            }
            else
            {
                switch (schmClrName)
                {
                    case "tx1":
                        schemeClr = "a:dk1";
                        break;
                    case "tx2":
                        schemeClr = "a:dk2";
                        break;
                    case "bg1":
                        schemeClr = "a:lt1";
                        break;
                    case "bg2":
                        schemeClr = "a:lt2";
                        break;
                }
            }
            //var refNode = ShapeHelper.GetTextByPathList(themeContent, "a:theme/a:themeElements/a:clrScheme/"+ schemeClr.Value);
            var color = ShapeHelper.GetTextByPath(themeContent, "pkg:xmlData/a:theme/a:themeElements/a:clrScheme/" + schemeClr + "/a:srgbClr/@val");
            if (color == null)//&& refNode != null
            {
                color = ShapeHelper.GetTextByPath(themeContent, "pkg:xmlData/a:theme/a:themeElements/a:clrScheme/" + schemeClr + "/a:sysClr/@lastClr");
            }
            //console.log(color)
            return color.Value;
        }





        public static string GetSvgImagePattern(string fillColor, int shpId)
        {
            var ptrn = "<pattern id=\"imgPtrn_" + shpId + "\"patternContentUnits=\"objectBoundingBox\"  width=\"1\" height=\"1\">";// '<pattern id="imgPtrn_' + shpId + '"  patternContentUnits="objectBoundingBox"  width="1" height="1">';
            ptrn += "<image  xlink:href=\"" + fillColor + "\"preserveAspectRatio=\"none\" width=\"1\" height=\"1\"></image>";// '<image  xlink:href="' + fillColor + '" preserveAspectRatio="none" width="1" height="1"></image>';
            ptrn += "</pattern>";// '';
            return ptrn;
        }
        public static string GetSvgGradient(double w, double h, double angl, List<string> color_arry, int shpId, Dictionary<string, string> slideLayoutClrOvride, XmlNode themeContent)
        {

            var stopsArray = GetMiddleStops(color_arry.Count - 2);

            var svgAngle = "";
            double svgHeight = h;
            double svgWidth = w;
            string svg = "";
            List<double> xy_ary = SVGangle(angl, svgHeight, svgWidth, slideLayoutClrOvride, themeContent);
            double x1 = xy_ary[0];
            double y1 = xy_ary[1];
            double x2 = xy_ary[2];
            double y2 = xy_ary[3];

            var sal = stopsArray.Count;
            double sr = sal < 20 ? 100 : 1000;
            svgAngle = " gradientUnits=\"userSpaceOnUse\" x1=\"" + x1 + "%\" y1=\"" + y1 + "%\" x2=\"" + x2 + "%\" y2=\"" + y2 + "%\"";
            svgAngle = "<linearGradient id=\"linGrd_" + shpId + "\"" + svgAngle + ">\n";
            svg += svgAngle;

            for (var i = 0; i < sal; i++)
            {
                svg += "<stop offset=\"" + (System.Math.Round(double.Parse(stopsArray[i].Replace("%", ""))) / 100 * sr) / sr + "\" stop-color=\"" + color_arry[i] + "\"";
                svg += "/>\n";
            }

            svg += "</linearGradient>\n" + "";

            return svg;
        }

        public static List<string> GetMiddleStops(int s)
        {
            var sArry = new List<string> { "0%" };


            if (s == 0)
            {
                return sArry;
            }
            else
            {
                for (int i = s; i < 0; i--)
                {
                    var middleStop = 100 - ((100 / (s + 1)) * (i + 1)); // AM: Ex - For 3 middle stops, progression will be 25%, 50%, and 75%, plus 0% and 100% at the ends.
                    var middleStopString = middleStop + "%";

                    sArry.Add(middleStopString);
                    //  sArry.splice(-1, 0, middleStopString);

                }
                // AM: add into stopsArray before 100%
            }
            sArry.Add("100%");
            return sArry;
        }
        public static List<double> SVGangle(double deg, double svgHeight, double svgWidth, Dictionary<string, string> slideLayoutClrOvride, XmlNode themeContent)
        {
            double w = svgWidth;
            double h = svgHeight;
            double ang = deg;
            double o = 2;
            double n = 2;
            double wc = w / 2;
            double hc = h / 2;
            double tx1 = 2;
            double ty1 = 2;
            double tx2 = 2;
            double ty2 = 2;
            double k = (((ang % 360) + 360) % 360);
            double j = (360 - k) * System.Math.PI / 180;
            double i = System.Math.Tan(j);
            double l = hc - i * wc;

            if (k == 0)
            {
                tx1 = w;
                ty1 = hc;
                tx2 = 0;
                ty2 = hc;
            }
            else if (k < 90)
            {
                n = w;
                o = 0;
            }
            else if (k == 90)
            {
                tx1 = wc;
                ty1 = 0;
                tx2 = wc;
                ty2 = h;
            }
            else if (k < 180)
            {
                n = 0;
                o = 0;
            }
            else if (k == 180)
            {
                tx1 = 0;
                ty1 = hc;
                tx2 = w;
                ty2 = hc;
            }
            else if (k < 270)
            {
                n = 0;
                o = h;
            }
            else if (k == 270)
            {
                tx1 = wc;
                ty1 = h;
                tx2 = wc;
                ty2 = 0;
            }
            else
            {
                n = w;
                o = h;
            }
            // AM: I could not quite figure out what m, n, and o are supposed to represent from the original code on visualcsstools.com.
            var m = o + (n / i);
            tx1 = tx1 == 2 ? i * (m - l) / (System.Math.Pow(i, 2) + 1) : tx1;
            ty1 = ty1 == 2 ? i * tx1 + l : ty1;
            tx2 = tx2 == 2 ? w - tx1 : tx2;
            ty2 = ty2 == 2 ? h - ty1 : ty2;
            double x1 = System.Math.Round(tx2 / w * 100 * 100) / 100.0;
            double y1 = System.Math.Round(ty2 / h * 100 * 100) / 100.0;
            double x2 = System.Math.Round(tx1 / w * 100 * 100) / 100.0;
            double y2 = System.Math.Round(ty1 / h * 100 * 100) / 100.0;
            return new List<double> { x1, y1, x2, y2 };
        }
        public static Fill GetPatternFill(XmlNode node, Dictionary<string, string> slideLayoutClrOvride, XmlNode slideMasterContent, XmlNode themeContent)
        {
            Fill fill = new Fill { type = 4 };
            //处理前景色 
            var fgClr = node.GetTextByPath("a:fgClr");
            string fgclr = GetSolidFill(fgClr, slideLayoutClrOvride, slideMasterContent, themeContent);
            if (fgClr != null) {
                fgclr = ShapeHelper.ColorToning(fgClr.OuterXml, fgclr);
            }
            
            fill.grad.Add(fgclr);
            // 处理背景色
            var bgClr = node.GetTextByPath("a:bgClr");
            string bgclr = GetSolidFill(bgClr, slideLayoutClrOvride, slideMasterContent, themeContent);
            if (bgClr != null) {
                bgclr = ShapeHelper.ColorToning(bgClr.OuterXml, bgclr);
            }
            //处理内置图案属性
            var prst = node.GetTextByPath("@prst");
            if (prst != null)
            {
                fill.patt = prst.Value;
            }
            fill.grad.Add(bgclr);
            return fill;
        }

        public static dynamic GetSlideSize(XmlDocument xdoc)
        {
            var sldSzNode = xdoc.GetTextByPath("//pkg:part[@pkg:name='/ppt/presentation.xml']/pkg:xmlData/p:presentation/p:sldSz");
            double width = double.Parse(sldSzNode.GetTextByPath("@cx").Value) * px96 / px914400;
            double height = double.Parse(sldSzNode.GetTextByPath("@cy").Value) * px96 / px914400;
            return new { width, height };
        }
        public static Fill GetGradientFill(XmlNode node, Dictionary<string, string> slideLayoutClrOvride, XmlNode slideMasterContent, XmlNode themeContent)
        {
            XmlNodeList gsLst = ShapeHelper.GetTextByPathList(node, "a:gsLst/a:gs");// node["a:gsLst"]["a:gs"];
            //get start color
            var color_ary = new List<string>();
            for (int i = 0; i < gsLst.Count; i++)
            {
                var lo_color = GetSolidFill(gsLst[i], slideLayoutClrOvride, slideMasterContent, themeContent);
                lo_color = ShapeHelper.ColorToning(gsLst[i].OuterXml, lo_color);
                color_ary.Add(lo_color);
            }
            //get rot
            var lin = ShapeHelper.GetTextByPathList(node, "a:lin");// node["a:lin"];
            double rot = 0;
            if (lin != null)
            {
                rot = AngleToDegrees(ShapeHelper.GetTextByPath(node, "a:lin/@ang")) + 90;
            }
            return new Fill()
            {
                type = 2,
                grad = color_ary,
                rot = rot
            };
        }

        public static Position GetPosition(XmlNode slideXfrmNode, XmlNode slideLayoutXfrmNode, XmlNode slideMasterXfrmNode)
        {

            XmlNode off = null;
            XmlNode ext = null;
            double x, y, w, h;
            //ext
            if (slideXfrmNode != null)
            {
                ext = ShapeHelper.GetTextByPath(slideXfrmNode, "a:ext");
            }
            else if (slideLayoutXfrmNode != null && ext == null)
            {
                ext = ShapeHelper.GetTextByPath(slideLayoutXfrmNode, "a:ext");
            }
            else if (slideMasterXfrmNode != null && ext == null)
            {
                ext = ShapeHelper.GetTextByPath(slideMasterXfrmNode, "a:ext");
            }
            //off
            if (slideXfrmNode != null)
            {
                off = ShapeHelper.GetTextByPath(slideXfrmNode, "a:off");
            }
            else if (slideLayoutXfrmNode != null && off == null)
            {
                off = ShapeHelper.GetTextByPath(slideLayoutXfrmNode, "a:off");
            }
            else if (slideMasterXfrmNode != null && off == null)
            {
                off = ShapeHelper.GetTextByPath(slideMasterXfrmNode, "a:off");
            }
            x = System.Math.Round(double.Parse(off.GetTextByPath("@x").Value) * px96 / px914400, degree);
            y = System.Math.Round(double.Parse(off.GetTextByPath("@y").Value) * px96 / px914400, degree);
            w = System.Math.Round(double.Parse(ext.GetTextByPath("@cx").Value) * px96 / px914400, degree);
            h = System.Math.Round(double.Parse(ext.GetTextByPath("@cy").Value) * px96 / px914400, degree);
            return new Position()
            {
                cx = w,
                cy = h,
                x = x,
                y = y
            };
        }

        public static NodesTable IndexNodes(XmlNode content)
        {
            var idTable = new Dictionary<string, XmlNode>();
            var idxTable = new Dictionary<string, XmlNode>();
            var typeTable = new Dictionary<string, XmlNode>();
            var spTreeNode = content.GetTextByPath("p:cSld/p:spTree");
            //  Dictionary<string, Dictionary<string, string>> slideResObj = new Dictionary<string, Dictionary<string, string>>();
            var spTreeNodeChildren = spTreeNode.ChildNodes;
            foreach (XmlNode child in spTreeNodeChildren)
            {
                if (child.Name.Equals("p:nvGrpSpPr") || child.Name.Equals("p:grpSpPr"))
                {
                    continue;
                }
                //var targetNode = child.ChildNodes;

                var targetNode = child.GetTextByPath("p:nvSpPr");
                //    < p:cNvCxnSpPr >
                //   < a:cxnSpLocks />    ///这个是什么意思
                //  </ p:cNvCxnSpPr >
                if (targetNode == null)
                {
                    targetNode = child.GetTextByPath("p:nvCxnSpPr");
                }
                XmlNode id = null, idx = null, type = null;
                if (targetNode != null) {
                    id = targetNode.GetTextByPath("p:cNvPr/@id");
                    idx = targetNode.GetTextByPath("p:nvPr/p:ph/@idx");
                    type = targetNode.GetTextByPath("p:nvPr/p:ph/@type");
                }
                // Dictionary<string, XmlNode> node = new Dictionary<string, XmlNode>();
                //if (child.ChildNodes != null)
                //{
                //    foreach (XmlNode xmlNode in child.ChildNodes)
                //    {
                //        node.TryAdd(xmlNode.Name, xmlNode);
                //    }
                //}
                if (id != null)
                {
                    idTable[id.Value] = child;
                }
                if (idx != null)
                {
                    idxTable[idx.Value] = child;
                }
                if (type != null)
                {
                    //会出现相同Key
                    typeTable[type.Value] = child;
                }
            }
            return new NodesTable { idTable = idTable, idxTable = idxTable, typeTable = typeTable };
        }
        public static double AngleToDegrees(XmlNode angle)
        {
            if (angle == null)
            {
                return 0;
            }
            return double.Parse(angle.Value) / rot60000;
        }

        public static XmlNode GetNodesTable(XmlNode id, XmlNode idx, XmlNode type, WarpObj warpObj, string LayoutOrMaster)
        {
            XmlNode resNode = null;
            if (resNode == null)
            {
                if (id != null)
                {
                    if (LayoutOrMaster.Equals("Layout"))
                    {
                        if (warpObj.slideLayoutTables.idTable.TryGetValue(id.Value, out XmlNode LayoutNode))
                        {
                            //  LayoutNode.TryGetValue(id.Value, out XmlNode node);
                            resNode = LayoutNode;
                        };
                    }
                    if (LayoutOrMaster.Equals("Master"))
                    {
                        if (warpObj.slideMasterTables.idTable.TryGetValue(id.Value, out XmlNode MasterNode))
                        {
                            //  LayoutNode.TryGetValue(id.Value, out XmlNode node);
                            resNode = MasterNode;
                        };
                    }
                }
            }
            if (resNode == null)
            {
                if (idx != null)
                {
                    if (LayoutOrMaster.Equals("Layout"))
                    {
                        if (warpObj.slideLayoutTables.idxTable.TryGetValue(idx.Value, out XmlNode LayoutNode))
                        {
                            //LayoutNode.TryGetValue(idx.Value, out XmlNode node);
                            resNode = LayoutNode;
                        };
                    }
                    if (LayoutOrMaster.Equals("Master"))
                    {
                        if (warpObj.slideMasterTables.idxTable.TryGetValue(idx.Value, out XmlNode MasterNode))
                        {
                            // LayoutNode.TryGetValue(idx.Value, out XmlNode node);
                            resNode = MasterNode;
                        };
                    }
                }
            }
            if (resNode == null)
            {
                if (type != null)
                {
                    if (LayoutOrMaster.Equals("Layout"))
                    {
                        if (warpObj.slideLayoutTables.typeTable.TryGetValue(type.Value, out XmlNode LayoutNode))
                        {
                            // LayoutNode.TryGetValue(type.Value, out XmlNode node);
                            resNode = LayoutNode;
                        };
                    }
                    if (LayoutOrMaster.Equals("Master"))
                    {
                        if (warpObj.slideMasterTables.typeTable.TryGetValue(type.Value, out XmlNode MasterNode))
                        {
                            // MasterNode.TryGetValue(type.Value, out XmlNode node);
                            resNode = MasterNode;
                        };
                    }
                }
            }
            return resNode;
        }




        public static string HexToRgbNew(string bgColor)
        {
            //var arrBuff = new ArrayBuffer(4);
            //var vw = new DataView(arrBuff);
            //vw.setUint32(0, parseInt(hex, 16), false);
            //var arrByte = new Uint8Array(arrBuff);
            int r = Convert.ToInt32("0x" + bgColor.Substring(0, 2), 16);
            int g = Convert.ToInt32("0x" + bgColor.Substring(2, 2), 16);
            int b = Convert.ToInt32("0x" + bgColor.Substring(4, 2), 16);
            return r + "," + g + "," + b;
        }

        public static double GetColorOpacity(XmlNode solidFill)
        {
            double opcity = 1;
            if (solidFill == null)
            {
                return opcity;
            }
            if (solidFill.GetTextByPath("a:srgbClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:srgbClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000.0;
                }
            }
            else if (solidFill.GetTextByPath("a:schemeClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:schemeClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000.0;
                }
            }
            else if (solidFill.GetTextByPath("a:scrgbClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:scrgbClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000.0;
                }

            }
            else if (solidFill.GetTextByPath("a:prstClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:prstClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000.0;
                }
            }
            else if (solidFill.GetTextByPath("a:hslClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:hslClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000.0;
                }
            }
            else if (solidFill.GetTextByPath("a:sysClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:sysClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000.0;
                }
            }
            return opcity;
        }
        public static Fill GetBgGradientFill(XmlNode bgPr, string phClr, Dictionary<string, string> slideLayoutClrOvride, XmlNode slideMasterContent, XmlNode themeContent)
        {
            if (bgPr != null)
            {
                var grdFill = bgPr.GetTextByPath("a:gradFill");
                return GetGradientFill(grdFill, slideLayoutClrOvride, slideMasterContent, themeContent);
            }
            else
            {
                if (phClr == null)
                {
                    return new Fill { type = 1, color = phClr };
                }
            }
            return null;
        }

        public static string GetSolidFill(XmlNode node, Dictionary<string, string> slideLayoutClrOvride, XmlNode slideMasterContent, XmlNode themeContent)
        {

            if (node == null)
            {
                return null;
            }
            string Color =null;
            // Fill fill = new Fill() { Color = "FFF", Type = 1 };
            var srgbClrval = node.GetTextByPath("a:srgbClr/@val");
            var schemeClrval = node.GetTextByPath("a:schemeClr/@val");
            if (srgbClrval != null)
            {
                Color = srgbClrval.Value; //#...
            }
            else if (schemeClrval != null)//node["a:schemeClr"] != null)
            {
                //a:schemeClr
                // var schemeClr = ShapeHelper.GetTextByPath(node, "a:schemeClr/@val");
                //console.log(schemeClr)
                Color = ShapeHelper.GetSchemeColorFromTheme(schemeClrval.Value, slideMasterContent, slideLayoutClrOvride, themeContent); //#...

            }
            else if (ShapeHelper.GetTextByPath(node, "a:scrgbClr") != null)
            {
                //<a:scrgbClr r="50%" g="50%" b="50%"/>  //Need to test/////////////////////////////////////////////

                var defBultColorValsR = ShapeHelper.GetTextByPath(node, "a:scrgbClr/@r");
                var defBultColorValsG = ShapeHelper.GetTextByPath(node, "a:scrgbClr/@g");
                var defBultColorValsB = ShapeHelper.GetTextByPath(node, "a:scrgbClr/@b");
                var red = (defBultColorValsR.Value.IndexOf("%") != -1) ? defBultColorValsR.Value.Split("%").First() : defBultColorValsR.Value;
                var green = (defBultColorValsG.Value.IndexOf("%") != -1) ? defBultColorValsG.Value.Split("%").First() : defBultColorValsG.Value;
                var blue = (defBultColorValsB.Value.IndexOf("%") != -1) ? defBultColorValsB.Value.Split("%").First() : defBultColorValsB.Value;
                var scrgbClr = red + "," + green + "," + blue;
                Color = ToHex(255 * (int.Parse(red) / 100)) + ToHex(255 * (int.Parse(green) / 100)) + ToHex(255 * (int.Parse(blue) / 100));
                //console.log("scrgbClr: " + scrgbClr);

            }
            else if (ShapeHelper.GetTextByPath(node, "a:prstClr") != null)
            {
                //<a:prstClr val="black"/>  //Need to test/////////////////////////////////////////////
                var prstClr = ShapeHelper.GetTextByPath(node, "a:prstClr/@val");// node["a:prstClr"]["attrs"]["val"];
                Color = GetColorName2Hex(prstClr.Value);
                //console.log("prstClr: " + prstClr+" => hexClr: "+color);
            }
            else if (ShapeHelper.GetTextByPath(node, "a:hslClr") != null)
            {
                //<a:hslClr hue="14400000" sat="100%" lum="50%"/>  //Need to test/////////////////////////////////////////////
                var defBultColorVals = ShapeHelper.GetTextByPath(node, "a:hslClr");//["attrs"];
                var defBultColorVals_hue = ShapeHelper.GetTextByPath(defBultColorVals, "@hue");
                var defBultColorVals_sat = ShapeHelper.GetTextByPath(defBultColorVals, "@sat");
                var defBultColorVals_lum = ShapeHelper.GetTextByPath(defBultColorVals, "@lum");
                var hue = int.Parse(defBultColorVals_hue.Value) / 100000;
                var sat = int.Parse((defBultColorVals_sat.Value.IndexOf("%") != -1) ? defBultColorVals_sat.Value.Split("%").First() : defBultColorVals_sat.Value) / 100;
                var lum = int.Parse((defBultColorVals_lum.Value.IndexOf("%") != -1) ? defBultColorVals_lum.Value.Split("%").First() : defBultColorVals_lum.Value) / 100;
                var hslClr = defBultColorVals_hue.Value.ToString() + "," + defBultColorVals_sat.Value.ToString() + "," + defBultColorVals_lum.Value.ToString();
                var hsl2rgb = HslToRgb(hue, sat, lum);
                Color = ToHex(hsl2rgb.r) + ToHex(hsl2rgb.g) + ToHex(hsl2rgb.b);
                //defBultColor = cnvrtHslColor2Hex(hslClr); //TODO
                // console.log("hslClr: " + hslClr);
            }
            else if (ShapeHelper.GetTextByPath(node, "a:sysClr") != null)
            {
                //<a:sysClr val="windowText" lastClr="000000"/>  //Need to test/////////////////////////////////////////////
                var sysClr = ShapeHelper.GetTextByPath(node, "a:sysClr/@lastClr").Value;
                if (sysClr != null)
                {
                    Color = sysClr;
                }
            }
            return Color;
        }



        public static string ToHex(int n)
        {
            string hex= Convert.ToString(n, 16);
            while (hex.Length < 2) { hex = "0" + hex; }
            return hex;
        }

        public static dynamic HslToRgb(int hue, int sat, int light)
        {
            int t1, t2, r, g, b;
            hue /= 60;
            if (light <= 0.5)
            {
                t2 = light * (sat + 1);
            }
            else
            {
                t2 = light + sat - (light * sat);
            }
            t1 = light * 2 - t2;
            r = HueToRgb(t1, t2, hue + 2) * 255;
            g = HueToRgb(t1, t2, hue) * 255;
            b = HueToRgb(t1, t2, hue - 2) * 255;
            return new { r, g, b };
        }

        public static int HueToRgb(int t1, int t2, int hue)
        {
            if (hue < 0) hue += 6;
            if (hue >= 6) hue -= 6;
            if (hue < 1) return (t2 - t1) * hue + t1;
            else if (hue < 3) return t2;
            else if (hue < 4) return (t2 - t1) * (4 - hue) + t1;
            else return t1;
        }

        public static string GetColorName2Hex(string name)
        {
            var hex = "";
            var colorName = new List<string> { "AntiqueWhite", "Aqua", "Aquamarine", "Azure", "Beige", "Bisque", "Black", "BlanchedAlmond", "Blue", "BlueViolet", "Brown", "BurlyWood", "CadetBlue", "Chartreuse", "Chocolate", "Coral", "CornflowerBlue", "Cornsilk", "Crimson", "Cyan", "DarkBlue", "DarkCyan", "DarkGoldenRod", "DarkGray", "DarkGrey", "DarkGreen", "DarkKhaki", "DarkMagenta", "DarkOliveGreen", "DarkOrange", "DarkOrchid", "DarkRed", "DarkSalmon", "DarkSeaGreen", "DarkSlateBlue", "DarkSlateGray", "DarkSlateGrey", "DarkTurquoise", "DarkViolet", "DeepPink", "DeepSkyBlue", "DimGray", "DimGrey", "DodgerBlue", "FireBrick", "FloralWhite", "ForestGreen", "Fuchsia", "Gainsboro", "GhostWhite", "Gold", "GoldenRod", "Gray", "Grey", "Green", "GreenYellow", "HoneyDew", "HotPink", "IndianRed", "Indigo", "Ivory", "Khaki", "Lavender", "LavenderBlush", "LawnGreen", "LemonChiffon", "LightBlue", "LightCoral", "LightCyan", "LightGoldenRodYellow", "LightGray", "LightGrey", "LightGreen", "LightPink", "LightSalmon", "LightSeaGreen", "LightSkyBlue", "LightSlateGray", "LightSlateGrey", "LightSteelBlue", "LightYellow", "Lime", "LimeGreen", "Linen", "Magenta", "Maroon", "MediumAquaMarine", "MediumBlue", "MediumOrchid", "MediumPurple", "MediumSeaGreen", "MediumSlateBlue", "MediumSpringGreen", "MediumTurquoise", "MediumVioletRed", "MidnightBlue", "MintCream", "MistyRose", "Moccasin", "NavajoWhite", "Navy", "OldLace", "Olive", "OliveDrab", "Orange", "OrangeRed", "Orchid", "PaleGoldenRod", "PaleGreen", "PaleTurquoise", "PaleVioletRed", "PapayaWhip", "PeachPuff", "Peru", "Pink", "Plum", "PowderBlue", "Purple", "RebeccaPurple", "Red", "RosyBrown", "RoyalBlue", "SaddleBrown", "Salmon", "SandyBrown", "SeaGreen", "SeaShell", "Sienna", "Silver", "SkyBlue", "SlateBlue", "SlateGray", "SlateGrey", "Snow", "SpringGreen", "SteelBlue", "Tan", "Teal", "Thistle", "Tomato", "Turquoise", "Violet", "Wheat", "White", "WhiteSmoke", "Yellow", "YellowGreen" };
            var colorHex = new List<string> { "f0f8ff", "faebd7", "00ffff", "7fffd4", "f0ffff", "f5f5dc", "ffe4c4", "000000", "ffebcd", "0000ff", "8a2be2", "a52a2a", "deb887", "5f9ea0", "7fff00", "d2691e", "ff7f50", "6495ed", "fff8dc", "dc143c", "00ffff", "00008b", "008b8b", "b8860b", "a9a9a9", "a9a9a9", "006400", "bdb76b", "8b008b", "556b2f", "ff8c00", "9932cc", "8b0000", "e9967a", "8fbc8f", "483d8b", "2f4f4f", "2f4f4f", "00ced1", "9400d3", "ff1493", "00bfff", "696969", "696969", "1e90ff", "b22222", "fffaf0", "228b22", "ff00ff", "dcdcdc", "f8f8ff", "ffd700", "daa520", "808080", "808080", "008000", "adff2f", "f0fff0", "ff69b4", "cd5c5c", "4b0082", "fffff0", "f0e68c", "e6e6fa", "fff0f5", "7cfc00", "fffacd", "add8e6", "f08080", "e0ffff", "fafad2", "d3d3d3", "d3d3d3", "90ee90", "ffb6c1", "ffa07a", "20b2aa", "87cefa", "778899", "778899", "b0c4de", "ffffe0", "00ff00", "32cd32", "faf0e6", "ff00ff", "800000", "66cdaa", "0000cd", "ba55d3", "9370db", "3cb371", "7b68ee", "00fa9a", "48d1cc", "c71585", "191970", "f5fffa", "ffe4e1", "ffe4b5", "ffdead", "000080", "fdf5e6", "808000", "6b8e23", "ffa500", "ff4500", "da70d6", "eee8aa", "98fb98", "afeeee", "db7093", "ffefd5", "ffdab9", "cd853f", "ffc0cb", "dda0dd", "b0e0e6", "800080", "663399", "ff0000", "bc8f8f", "4169e1", "8b4513", "fa8072", "f4a460", "2e8b57", "fff5ee", "a0522d", "c0c0c0", "87ceeb", "6a5acd", "708090", "708090", "fffafa", "00ff7f", "4682b4", "d2b48c", "008080", "d8bfd8", "ff6347", "40e0d0", "ee82ee", "f5deb3", "ffffff", "f5f5f5", "ffff00", "9acd32" };
            var findIndx = colorName.IndexOf(name);
            if (findIndx != -1)
            {
                hex = colorHex[findIndx];
            }
            return hex;
        }

        public static string GetFillType(XmlNode node)
        {
            //Need to test/////////////////////////////////////////////
            //SOLID_FILL
            //PIC_FILL
            //GRADIENT_FILL
            //PATTERN_FILL
            //NO_FILL
            var fillType = "";

            if (node.GetTextByPath("a:noFill") != null)
            {
                fillType = "NO_FILL";
            }
            if (node.GetTextByPath("a:solidFill") != null)
            {
                fillType = "SOLID_FILL";
            }
            if (node.GetTextByPath("a:gradFill") != null)
            {
                fillType = "GRADIENT_FILL";
            }
            if (node.GetTextByPath("a:pattFill") != null)
            {
                fillType = "PATTERN_FILL";
            }
            if (node.GetTextByPath("a:blipFill") != null)
            {
                fillType = "PIC_FILL";
            }
            if (fillType == "")
            {
                var clrName = node.GetTextByPath("p:style/a:fillRef");
                
                if (clrName != null)
                {
                    fillType = "SOLID_FILL";
                }
            }
            return fillType;
        }
    }
}