using System.Drawing;

namespace Volian.Svg.Library
{
	public class SvgLineSettings
	{
		#region ctor
		public SvgLineSettings() { ;}
		public SvgLineSettings(Color myColor, SvgMeasurement myWidth)
		{
			Stroke = ColorTranslator.ToHtml(myColor);
			StrokeWidth = myWidth.ToString();
		}
        #endregion
        #region Inheritance
        public SvgLineSettings MyParentsSettings { get; set; } = null;
        #endregion
        #region Internal Inherited Properties
        protected string InheritedStroke
		{
			get
			{
				if (Stroke != "" && Stroke != "0") return Stroke; // Current Value
				if (MyParentsSettings != null) return MyParentsSettings.InheritedStroke;// Inherited
				return "None"; // Default
			}
		}
		protected string InheritedLineWidth
		{
			get
			{
				// StrokeWidth = "", "none" - Default, otherwise the value
				if (StrokeWidth != "" && StrokeWidth != "none") return StrokeWidth; // Current Value
				if (MyParentsSettings != null) return MyParentsSettings.InheritedLineWidth; // Inherited
				return "1PX"; // Default
			}
		}
		#endregion
		#region Inherited Values
		public SvgMeasurement LineWidth
		{
			get
			{
				string myStroke = InheritedStroke;
				string myWidth = InheritedLineWidth;
				SvgMeasurement myMeasurement = new SvgMeasurement(myWidth);
				return myMeasurement;
			}
			set
			{
				StrokeWidth = value.ToString();
			}
		}
		public SvgMeasurement OutlineWidth
		{
			get
			{
				string myStroke = InheritedStroke;
				string myWidth = InheritedLineWidth;
				if (myStroke.ToLower() == "none" || myWidth == "0") // Eliminate
					return new SvgMeasurement(0, E_MeasurementUnits.PX);
				SvgMeasurement myMeasurement = new SvgMeasurement(myWidth);
				return myMeasurement;
			}
			set
			{
				StrokeWidth = value.ToString();
			}
		}
		public Color LineColor
		{
			get
			{
				string myStroke = InheritedStroke;
				string myWidth = InheritedLineWidth;
				if (myStroke.ToLower() == "none" || myWidth.ToLower() == "none" || myWidth == "0") // Light
					return Color.LightGray;
				return ColorTranslator.FromHtml(myStroke);
			}
			set
			{
				if (value == Color.Empty)
					Stroke = "none";
				else
					Stroke = ColorTranslator.ToHtml(value);
			}

		}
		public Color OutlineColor
		{
			get
			{
				string myStroke = InheritedStroke;
				string myWidth = InheritedLineWidth;
				if (myStroke.ToLower() == "none" || myWidth == "0") // Eliminate
					return Color.Empty;
				return ColorTranslator.FromHtml(myStroke);
			}
			set
			{
				if (value == Color.Empty)
					Stroke = "none";
				else
					Stroke = ColorTranslator.ToHtml(value);
			}

		}
        #endregion
        #region Properties
        public string Stroke { get; set; } = string.Empty;
        public string StrokeWidth { get; set; } = string.Empty;
        #endregion
    }
}