using Blacklight.Core.Cameras;
using Blacklight.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Azimuth;
using Blacklight.Core.Drawables;
using Glass.Blacklight;
using System.Diagnostics;
using System.Reflection;
using System.Windows.Forms;
using Microsoft.Win32;

namespace Glass.Testbed
{
    public class World
    {
        WindowHandle window = null;
        Scene scene = new Scene();
        Cel cel = new Cel();
        Button button = new Button();
        ViewportControl control = null;
        public BlacklightGlassWorld uiWorld = new BlacklightGlassWorld();
        int clickCount = 0;
        
        public World(ViewportControl control)
        {
            uiWorld.BindToViewport(control);
            uiWorld.Scale = 2; 

            this.control = control;
            this.window = control.DrawableSurface;

            scene.Cels.Add(cel);

            var arrow = new Arrow(5, 2);
            arrow.InsideColor = new Color(0.5, 0.5, 0);
            arrow.ShellColor = new Color(0.75, 0.75, 0);
            arrow.ShellModelSpaceThickness = 0;
            arrow.ShellPixelThickness = 3;
            cel.AddEntity(arrow);

            var panel = uiWorld.Controls.NewChild<Panel>();
            panel.Bounds = Rect.FromPositionAndSize(Vector.Zero, new Vector(100, 100));
            panel.Material = UiPacksheetMaterials.RedFlatPanel;

            var button = panel.ChildControls.NewChild<Button>();
            button.Bounds = Rect.FromPositionAndSize(new Vector(30, 70), new Vector(64, 16));
            button.ButtonMaterial = UiPacksheetMaterials.YellowButton;
            button.OnClick += delegate (in MouseState _, MouseButtonFlags __)
            {
                ++clickCount;
            };

            window.Invalidated += Window_Invalidated;
        }

        public void Unbind()
        {
            window.Invalidated -= Window_Invalidated;
            uiWorld.Unbind();
        }

        private void Window_Invalidated(object sender, EventArgs e)
        {
            DrawScene();
        }

        public void DrawScene()
        {
            window.DrawScene(scene, control.Camera);
            uiWorld.Render(window);
        }
    }
}