using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using GL_EditorFramework;
using GL_EditorFramework.EditorDrawables;
using GL_EditorFramework.GL_Core;
using GL_EditorFramework.Interfaces;
using OpenGl_EditorFramework;
using OpenTK;
using OpenTK.Graphics.OpenGL;

namespace Testing
{
	//This class is supposed to show of some very basic animation stuff you could do with this framework
	//but it's highly recommended to add members like startTime and isPlaying if you want to make your own animated object class
	class AnimatedObject : SingleObject
	{
		public AnimatedObject(Vector3 pos) : base(pos)
		{

		}

		static new Vector4 Color = new Vector4(1f, 0f, 0f, 1f);

		public override void Draw(GL_ControlModern control, Pass pass, EditorScene editorScene)
		{
			if (pass == Pass.TRANSPARENT)
				return;

			bool hovered = editorScene.hovered == this;

			Matrix4 mtx = Matrix4.CreateScale(1f, 0.25f, 1f);
			mtx *= Matrix4.CreateFromAxisAngle(Vector3.UnitY, -(float)Math.PI / 2f);
			mtx *= Matrix4.CreateTranslation(Position + (Selected ? editorScene.deltaTransform.Translation : new Vector3()));
			control.UpdateModelMatrix(mtx);

			Color pickingColor = control.nextPickingColor();
			
			Vector4 lineBoxColor;

			if (hovered && Selected)
				lineBoxColor = hoverColor;
			else if (hovered || Selected)
				lineBoxColor = selectColor;
			else
				lineBoxColor = new Vector4(1, 1, 1, 1);

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx * Matrix4.CreateTranslation(Vector3.UnitX * 3f));

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx * Matrix4.CreateTranslation(Vector3.UnitX * (3f - Math.Abs(control.RedrawerFrame * 0.0625f % 6f - 3f))));

			Renderers.ColorBlockRenderer.Draw(control, pass, Color, Color, pickingColor);
		}

		public override void Draw(GL_ControlModern control, Pass pass)
		{
			if (pass == Pass.TRANSPARENT)
				return;

			Matrix4 mtx = Matrix4.CreateScale(1f, 0.25f, 1f);
			mtx *= Matrix4.CreateFromAxisAngle(Vector3.UnitY, -(float)Math.PI / 2f);
			mtx *= Matrix4.CreateTranslation(Position);
			control.UpdateModelMatrix(mtx);

			Color pickingColor = control.nextPickingColor();

			Vector4 lineBoxColor = new Vector4(1, 1, 1, 1);

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx * Matrix4.CreateTranslation(Vector3.UnitX * 3f));

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx);

			Renderers.ColorBlockRenderer.Draw(control, pass, Color, Color, pickingColor);
		}

		public override void Draw(GL_ControlLegacy control, Pass pass, EditorScene editorScene)
		{
			if (pass == Pass.TRANSPARENT)
				return;

			bool hovered = editorScene.hovered == this;

			Matrix4 mtx = Matrix4.CreateScale(1f, 0.25f, 1f);
			mtx *= Matrix4.CreateFromAxisAngle(Vector3.UnitY, (float)Math.PI / 2f);
			mtx *= Matrix4.CreateTranslation(Position + (Selected ? editorScene.deltaTransform.Translation : new Vector3()));
			control.UpdateModelMatrix(mtx);

			Color pickingColor = control.nextPickingColor();

			Vector4 lineBoxColor;

			if (hovered && Selected)
				lineBoxColor = hoverColor;
			else if (hovered || Selected)
				lineBoxColor = selectColor;
			else
				lineBoxColor = new Vector4(1, 1, 1, 1);

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx * Matrix4.CreateTranslation(Vector3.UnitX * 3f));

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx * Matrix4.CreateTranslation(Vector3.UnitX * (3f - Math.Abs(control.RedrawerFrame * 0.0625f % 6f - 3f))));

			Renderers.ColorBlockRenderer.Draw(control, pass, Color, Color, pickingColor);
		}

		public override void Draw(GL_ControlLegacy control, Pass pass)
		{
			if (pass == Pass.TRANSPARENT)
				return;

			Matrix4 mtx = Matrix4.CreateScale(1f, 0.25f, 1f);
			mtx *= Matrix4.CreateFromAxisAngle(Vector3.UnitY, -(float)Math.PI / 2f);
			mtx *= Matrix4.CreateTranslation(Position);
			control.UpdateModelMatrix(mtx);

			Color pickingColor = control.nextPickingColor();

			Vector4 lineBoxColor = new Vector4(1, 1, 1, 1);

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx * Matrix4.CreateTranslation(Vector3.UnitX * 3f));

			Renderers.LineBoxRenderer.Draw(control, pass, lineBoxColor, pickingColor);

			control.UpdateModelMatrix(mtx);

			Renderers.ColorBlockRenderer.Draw(control, pass, Color, Color, pickingColor);
		}

		public override void Prepare(GL_ControlModern control)
		{
			Renderers.LineBoxRenderer.Initialize();
			base.Prepare(control);
		}

		public override uint Select(int index, I3DControl control)
		{
			Selected = true;
			control.AttachPickingRedrawer();
			return 0;
		}

		public override uint SelectDefault(I3DControl control)
		{
			Selected = true;
			control.AttachPickingRedrawer();
			return 0;
		}

		public override uint SelectAll(I3DControl control)
		{
			Selected = true;
			control.AttachPickingRedrawer();
			return 0;
		}

		public override uint Deselect(int index, I3DControl control)
		{
			Selected = false;
			control.DetachPickingRedrawer();
			return 0;
		}

		public override uint DeselectAll(I3DControl control)
		{
			Selected = false;
			control.DetachPickingRedrawer();
			return 0;
		}
	}
}