using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.ComponentModel;
using System.Xml.Serialization;

namespace Volian.Svg.Library
{
	public class SvgLineSettings
	{
		#region ctor
		public SvgLineSettings() { ;}
		public SvgLineSettings(Color myColor, SvgMeasurement myWidth)
		{
			_Stroke = ColorTranslator.ToHtml(myColor);
			_StrokeWidth = myWidth.ToString();
		}
		//public SvgLineSettings(string myStroke, string myStrokeWidth)
		//{
		//  _Stroke = myStroke;
		//  _StrokeWidth = myStrokeWidth;
		//}
		#endregion
		#region Inheritance
		private SvgLineSettings _MyParentsSettings = null;
		public SvgLineSettings MyParentsSettings
		{
			get { return _MyParentsSettings; }
			set 
			{ 
				_MyParentsSettings = value; 
			}
		}
		#endregion
		#region Internal Inherited Properties
		protected string InheritedStroke
		{
			get
			{
				// Stroke = "", "0" - Default, otherwise the value
				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
			}
		}
		//protected string InheritedOutlineWidth
		//{
		//  get
		//  {
		//    // StrokeWidth = "", "none" - Default, otherwise the value
		//    if (_StrokeWidth != "" && _StrokeWidth.ToLower() != "none") return _StrokeWidth; // Current Value
		//    if (_MyParent != null) return _MyParent.InheritedLineWidth; // Inherited
		//    return "1PX"; // Default
		//  }
		//}
		#endregion
		#region Inherited Values
		public SvgMeasurement LineWidth
		{
			get
			{
				// Stroke = "None" - Light, otherwise the value
				// StrokeWidth = "None" Light, otherwise the value
				string myStroke = InheritedStroke;
				string myWidth = InheritedLineWidth;
				//if (myStroke.ToLower() == "none" || myWidth.ToLower() == "none") // Light
				//	return new SvgMeasurement(.001F, E_MeasurementUnits.PX);
				SvgMeasurement myMeasurement = new SvgMeasurement(myWidth);
				//myMeasurement.Value *= _Scale;
				return myMeasurement;
			}
			set
			{
				_StrokeWidth = value.ToString();
			}
		}
		public SvgMeasurement OutlineWidth
		{
			get
			{
				// Stroke = "None" - Eliminate, otherwise the value
				// StrokeWidth = "0" Eliminate, otherwise the value
				string myStroke = InheritedStroke;
				//string myWidth = InheritedOutlineWidth;
				string myWidth = InheritedLineWidth;
				if (myStroke.ToLower() == "none" || myWidth == "0") // Eliminate
					return new SvgMeasurement(0, E_MeasurementUnits.PX);
				SvgMeasurement myMeasurement = new SvgMeasurement(myWidth);
				//myMeasurement.Value *= _Scale;
				return myMeasurement;
			}
			set
			{
				_StrokeWidth = value.ToString();
			}
		}
		public Color LineColor
		{
			get
			{
				// Stroke = "None" - Eliminate, otherwise the value
				// StrokeWidth = "None" Eliminate, otherwise the value
				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
			{
				// Stroke = "None" - Eliminate, otherwise the value
				// StrokeWidth = "0" Eliminate, otherwise the value
				string myStroke = InheritedStroke;
				//string myWidth = InheritedOutlineWidth;
				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
		private string _Stroke = string.Empty; // Default value is None
		public string Stroke
		{
			get { return _Stroke; }
			set { _Stroke = value; }
		}
		private string _StrokeWidth = string.Empty; // Default value is 1PX
		public string StrokeWidth
		{
			get { return _StrokeWidth; }
			set { _StrokeWidth = value; }
		}
		#endregion
	}
}