using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Blacklight.Core;
using Blacklight.Core.Drawables;
using Blacklight.Core.Cameras;
using Azimuth;

namespace Blacklight.Testbed
{
    public class World
    {
        Blacklight.Core.Cameras.MicroscopeCamera camera = null;
        
        Scene scene = new Scene();
        Cel cel = new Cel();
        Entity entity = new Entity();
        Collage collage = new Collage();

        WindowHandle viewport = null;

        public World()
        {
            scene.Cels.Add(cel);
            entity.drawable = collage;
            entity.modelToWorld = Matrix.Identity;
            cel.AddEntity(entity);
            
            Matrix transform;
            DrawPrimitive primitive;
            Matrix rotateBy45degrees = new Matrix(Math.PI / 2, Vector.Zero);

            {
                primitive = new Rectangle();
                primitive.InsideColor = new Blacklight.Core.Color(1, 0, 0.5, 1);
                primitive.ShellColor = new Blacklight.Core.Color(0, 1, 0.5, 1);
                primitive.ShellModelSpaceThickness = 0.1;
                primitive.ShellPixelThickness = 3;
                transform = new Matrix(.7, new Vector(50, 50), 10);
                primitive.Antialiased = false;
                transform.M00 *= 1.112233;
                transform.M01 *= 3;
                transform.M10 *= 4;
                transform.M11 *= 10;
                transform = rotateBy45degrees * transform;

                
                collage.AddDrawable(primitive, transform);
            }

            {
                primitive = new Rectangle();
                primitive.InsideColor = new Blacklight.Core.Color(1, 0, 0.5, 1);
                primitive.ShellColor = new Blacklight.Core.Color(0, 1, 0.5, 1);
                primitive.ShellPixelThickness = 20;
                transform = new Matrix(.7, new Vector(0, 0), 10);
                transform.M00 *= 1.112233;
                transform.M01 *= 3;
                transform.M10 *= 4;
                transform.M11 *= 10;
                transform = rotateBy45degrees * transform;
                primitive.Antialiased = false;
                collage.AddDrawable(primitive, transform);
            }

            {
                primitive = new Ellipse();
                primitive.InsideColor = new Blacklight.Core.Color(1, 0, 0.5, 1);
                primitive.ShellColor = new Blacklight.Core.Color(0, 1, 0.5, 1);
                primitive.ShellModelSpaceThickness = 0.1;
                primitive.ShellPixelThickness = 2;
                transform = new Matrix(.7, new Vector(50, -200), 10);
                primitive.Antialiased = false;
                //transform.M00 *= 2;
                //transform.M10 *= 2;

                //transform.M01 *= 0.3;
                //transform.M11 *= 0.3;
                transform.M00 *= 1.112233;
                transform.M01 *= 3;
                transform.M10 *= 4;
                transform.M11 *= 10;
                transform = rotateBy45degrees * transform;


                collage.AddDrawable(primitive, transform);
            }

            {
                primitive = new Ellipse();
                primitive.InsideColor = new Blacklight.Core.Color(1, 0, 0.5, 1);
                primitive.ShellColor = new Blacklight.Core.Color(0, 1, 0.5, 1);
                primitive.ShellPixelThickness = 20;
                transform = new Matrix(.7, new Vector(0, -250), 10);
                transform.M00 *= 1.112233;
                transform.M01 *= 3;
                transform.M10 *= 4;
                transform.M11 *= 10;
                transform = rotateBy45degrees * transform;
                primitive.Antialiased = false;
                collage.AddDrawable(primitive, transform);
            }

            //{
            //    primitive = new Rectangle();
            //    primitive.InsideColor = new Blacklight.Core.Color(0.5, 1, 0.5, 0);
            //    transform = new Matrix(0, new Vector(-10, 10), 5);
            //    collage.AddDrawable(primitive, transform);
            //}
        }

        public void BindToViewport(WindowHandle handle)
        {
            camera = new Blacklight.Core.Cameras.MicroscopeCamera(handle);
            
            this.viewport = handle;
        }

        public void DrawScene()
        {
            viewport.DrawScene(scene, camera);
        }
    }
}