using System.ComponentModel;
using System.Drawing;
using System.Xml.Serialization;
using GeoSigma.SigmaDrawerStyle;
using GeoSigma.SigmaDrawerStyle.Converter;
using GeoSigmaDrawLib;

namespace SigmaDrawerElement
{
    public class DrawerDonut : ElementBase
    {
        public DrawerDonut()
        {
            ElementType = DrawElementType.ELEMENT_CIRCLE;
        }

        [Browsable(false)]
        [XmlAttribute("Color")]
        public int ColorRef;

        [XmlIgnore]
        [Category("\t基本"), DisplayName("\t颜色")]
        public Color LineColor
        {
            get
            {
                return ColorTranslator.FromWin32(ColorRef);
            }
            set
            {
                ColorRef = ColorTranslator.ToWin32(value);
            }
        }

        private PropertyPoint center = new PropertyPoint();
        [XmlIgnore]
        [Category("\t基本"), DisplayName("\t\t\t\t\t圆心坐标")]
        //[TypeConverterAttribute(typeof(PropertyPointConvert))]
        public PropertyPoint Center
        {
            get => BaseData.Center;
            set => BaseData.Center = value;
        }
        [XmlIgnore]
        [Category("\t基本"), DisplayName("\t\t\t\t半径")]
        [TypeConverter(typeof(DoubleTrimConverter))]
        public double R // 用外半径替代的，需要修改
        {
            get
            {
                if (WidthStyle == 4) // 内侧
                {
                    return BaseData.ER;
                }
                else if (WidthStyle == 1) // 中心
                {
                    return (BaseData.BR + BaseData.ER) / 2.0;
                }
                else // 2 外侧
                {
                    return BaseData.BR;
                }
            }
            set
            {
                double dWidth = this.Width;
                if (WidthStyle == 4) // 内侧
                {
                    BaseData.ER = value;
                    BaseData.BR = BaseData.ER - dWidth;
                }
                else if (widthStyle == 1) // 中心
                {
                    BaseData.ER = value + dWidth * 0.5;
                    BaseData.BR = value - dWidth * 0.5;
                }
                else    // 2 外侧
                {
                    BaseData.BR = value;
                    BaseData.ER = value + dWidth;
                }
            }
        }
        [XmlIgnore]
        [Category("\t基本"), DisplayName("\t\t\t曲线宽度")]
        [TypeConverter(typeof(DoubleTrimConverter))]
        public double Width
        {
            get => BaseData.ER - BaseData.BR;
            set
            {
                if(widthStyle == 1) // 中心
                {
                    BaseData.ER += value / 2.0;
                    BaseData.BR -= value / 2.0;
                }
                else if (widthStyle == 2) // 外侧
                {
                    BaseData.ER = BaseData.BR + value;
                }
                else // 内侧 if(widthStyle == 4)
                {
                    BaseData.BR = BaseData.ER - value;
                }
            }
        }
        private int widthStyle = 4;
        [XmlIgnore]
        [Category("\t基本"), DisplayName("\t\t宽度定位")]
        [TypeConverter(typeof(SigmaDrawerElement.Converter.EllipseStyleConverter))]
        public int WidthStyle
        {
            get
            {
                return widthStyle;
            }
            set
            {
                widthStyle = value;
            }
        }
        [XmlElement("Base")]
        [Browsable(false)]
        public DonutBase BaseData { get; set; } = new DonutBase();
    }
    public class DonutBase
    {
        [XmlAttribute]
        public double X
        {
            get
            {
                return Center.X;
            }
            set
            {
                Center = new PropertyPoint(value, Center.Y);
            }
        }
        [XmlAttribute]
        public double Y
        {
            get
            {
                return Center.Y;
            }
            set
            {
                Center = new PropertyPoint(Center.X, value);
            }
        }
        [XmlAttribute]
        public double Z { get; set; }
        /// <summary>
        /// Gets or sets 内半径.
        /// </summary>
        [XmlAttribute]
        public double BR { get; set; }
        /// <summary>
        /// Gets or sets 外半径.
        /// </summary>
        [XmlAttribute]
        public double ER { get; set; }

        [XmlIgnore]
        public PropertyPoint Center { get; set; } = new PropertyPoint();
    }
}