using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;
using System.Windows.Shapes;

namespace Dominion.NET_WPF.Controls
{
	public sealed class SourceIndicator : UserControl
	{
		public static readonly DependencyProperty SourceProperty = DependencyProperty.Register("Source", typeof(Point), typeof(SourceIndicator), new FrameworkPropertyMetadata(default(Point)));
		public Point Source { get { return (Point)GetValue(SourceProperty); } set { SetValue(SourceProperty, value); } }

		public static readonly DependencyProperty DestinationProperty = DependencyProperty.Register("Destination", typeof(Point), typeof(SourceIndicator), new FrameworkPropertyMetadata(default(Point)));
		public Point Destination { get { return (Point)GetValue(DestinationProperty); } set { SetValue(DestinationProperty, value); } }

		public SourceIndicator()
		{
			var segment = new LineSegment(default, true);
			var figure = new PathFigure(default, new[] { segment }, false);
			var geometry = new PathGeometry(new[] { figure });
			BindingBase sourceBinding = new Binding { Source = this, Path = new PropertyPath(SourceProperty) };
			BindingBase destinationBinding = new Binding { Source = this, Path = new PropertyPath(DestinationProperty) };
			BindingOperations.SetBinding(figure, PathFigure.StartPointProperty, sourceBinding);
			BindingOperations.SetBinding(segment, LineSegment.PointProperty, destinationBinding);
			Content = new Path
			{
				Data = geometry,
				StrokeThickness = 5,
				Stroke = Brushes.MediumSpringGreen,
				MinWidth = 1,
				MinHeight = 1
			};
		}
	}
}