using DocumentFormat.OpenXml.Drawing;
using HTEXLib.Helpers.ShapeHelpers;
using System;
using System.Collections.Generic;
using System.Text;

namespace HTEXLib.Models.HTEX
{
    public class HtexConnectionShape : HtexElement
    {
        public Inner.PPTConnectionShape connectionShape { get; set; }
        public HtexConnectionShape(string id, double rot, double width, double height,
                  double top, double left, bool invisible, bool animatable, int index, Inner.PPTConnectionShape connectionShape, PPTSlide slide, string partForm)
        {
            base.slide = slide;
            this.rot = rot;
            this.connectionShape = connectionShape;
            base.id = id;
            base.top = top;
            base.left = left;
            base.width = width;
            base.height = height;
            base.invisible = invisible;
            base.animatable = animatable;
            base.index = index;
            base.type = "CxnSp";
            base.partForm = partForm;
        }
        public override List<Item> DrawElement()
        {
            //var xfrm =  connectionShape.element.GetTextByPath("//p:spPr/a:xfrm");
            //var flipV = xfrm.Attribute("flipV");
            //var flipH = xfrm.Attribute("flipH");
            Position position = new Position { x = top, y = left, cx = width, cy = height, rot =rot};
            //if (flipV != null) {
            //    position.flipV = int.Parse(flipV.Value);
            //}
            //if (flipH!= null)
            //{
            //    position.flipH = int.Parse(flipH.Value);
            //}
            position.flipV = connectionShape.element.ShapeProperties.Transform2D.VerticalFlip!=null && connectionShape.element.ShapeProperties.Transform2D.VerticalFlip.Value?1:0;
            position.flipH = connectionShape.element.ShapeProperties.Transform2D.HorizontalFlip!=null && connectionShape.element.ShapeProperties.Transform2D.HorizontalFlip.Value ? 1 : 0;
             
            /*
             <xsd:enumeration value="none"/> 无
             <xsd:enumeration value="triangle"/> 三角形-▶
             <xsd:enumeration value="stealth"/> → 
             <xsd:enumeration value="diamond"/> 菱形◆
             <xsd:enumeration value="oval"/> 圆点●
             <xsd:enumeration value="arrow"/>   ->⇱
             */
            var shapeTypeNode = connectionShape.element.ShapeProperties.GetFirstChild<PresetGeometry>();
            var shapeType= shapeTypeNode.Preset.InnerText;
            var otl = connectionShape.element.ShapeProperties.GetFirstChild<Outline>();
            var shapeBorder = PPTXHelper.DoOutline(otl, slide,type);
            //从ShapeProperties 获取 p:spPr
            //再从 ShapeStyle 获取 p:spPr
            if (shapeBorder.color == null|| shapeBorder.color.type==-1) {
                SlideColor slideColor = PPTXHelper.DoShapeStyle(connectionShape.element.ShapeStyle, slide,type);
                if (slideColor != null) {
                    shapeBorder.color.solidFill = slideColor.LineColor;
                    shapeBorder.color.type = 2;
                }
            }
            Svg svg = PPTXSvg.GenShapeSvg(connectionShape.element, index, shapeType, position,   shapeBorder);
          //  position = position ,mediaType = "image",type = type,index = index,animatable = animatable ,invisible = invisible
            Item item= new Connector { position = position,type=type,cxnType=shapeType, invisible = invisible, animatable = animatable, index = index, id = id, svg = svg, border = shapeBorder };
            return new List<Item>() { item }; 
        }
    }
}