using Hi.Geom;
using Hi.Disp;
using System;
using Hi.Coloring;

namespace Sample.Disp
{
    /// <summary>
    /// Demonstrates advanced object picking with multiple pickable objects.
    /// Shows how to create and manage multiple pickable objects with different visual appearances.
    /// Implements proper resource cleanup through the IDisposable interface.
    /// </summary>
    /// <remarks>
    /// ### Source Code
    /// [!code-csharp[SampleCode](~/../Hi.Sample.Wpf/Disp/DemoPick2.cs)]
    /// </remarks>
    public class DemoPick2 : IDisplayee, IDisposable
	{
		readonly Pickable pickableA = new ShowEventPickable { Tag = "A" };
		readonly Pickable pickableB = new ShowEventPickable { Tag = "B" };
		readonly Pickable pickableC = new ShowEventPickable { Tag = "C" };
		/// <inheritdoc/>
		public void Display(Bind bind)
		{
			bind.PickID = pickableA.PickingID;
			bind.RGB = ColorUtil.GetDiscreteRgb(1);
			new Box3d(0, 0, 0, 1, 1, 1).DisplayFace(bind);

			bind.PickID = pickableB.PickingID;
			bind.RGB = ColorUtil.GetDiscreteRgb(2);
			new Box3d(0, 0, 1, 1, 1, 2).DisplayFace(bind);

			bind.PickID = pickableC.PickingID;
			bind.RGB = ColorUtil.GetDiscreteRgb(3);
			new Box3d(0, 0, 2, 1, 1, 3).DisplayFace(bind);

			bind.PickID = 0;
		}
		/// <inheritdoc/>
		public void ExpandToBox3d(Box3d dst)
		{
			dst.Expand(new Vec3d(0, 0, 0));
			dst.Expand(new Vec3d(1, 1, 3));
		}
		#region IDisposable Support
		private bool disposedValue = false; // To detect redundant calls
		/// <inheritdoc/>
		protected virtual void Dispose(bool disposing)
		{
			if (!disposedValue)
			{
				if (disposing)
				{
					pickableA.Dispose();
					pickableB.Dispose();
					pickableC.Dispose();
				}
				disposedValue = true;
			}
		}
		/// <inheritdoc/>
		public void Dispose()
		{
			Dispose(true);
		}
		#endregion
		
		/// <summary>
		/// Entry point for the DemoPick2 example.
		/// Creates and displays multiple pickable objects with distinct colors and positions.
		/// Demonstrates separation of picking behavior from visual representation.
		/// </summary>
		static void Main()
		{
            DemoUtil.RunApplication("DemoPick2", new DemoPick2());
		}
	}
}