//using StgSharp.Environment.Win32;
using StgSharp.Controlling.UsrActivity;
using StgSharp.Geometries;
using StgSharp.Graphics;
using StgSharp.Logic;
using StgSharp.Math;

using System;
using System.Runtime.CompilerServices;
using System.Xml.XPath;

namespace StgSharp
{
    public class StgSharpDemoForm : ViewModelBase
    {
        public StgSharpDemoForm(int frameSpeed) : base(frameSpeed)
        {
        }
        public StgSharpDemoForm(ViewPort vp, int frameSpeed) : base(vp, frameSpeed)
        {
        }

        protected sealed override void BuildGlobalKeyControl()
        {
            GlobalKeyAction.Add(
                new KeyTrigger(KeyboardKey.ESCAPE,KeyStatus.PRESS),
                new Action(() => {
                    InternalIO.glfwSetWindowShouldClose(this.WindowID, 1);
                }));
        }
    }

    internal static class Program
    {
        internal static unsafe void Main(string[] args)
        {
            try
            {
                //StgSharp.TryCreatWindow();

                /**/
                StgSharp.Init();
                StgSharp.InitGL(4, 6);
                StgSharp.GlobalSetting.VSyncActivated = false;

                ViewPort viewport = new ViewPort(
                    name: "Hello, Stg#!",
                    size: (800,800),
                    monitor: IntPtr.Zero
                    );
                StgSharpDemoForm demoForm = new StgSharpDemoForm(vp: viewport,60);

                View v = demoForm.BuildNewView(null, (1,1,1));

                var stream = demoForm.BuildRenderStream
                    //<MainRenderStream>
                    //<ParticleStream>
                    <fboFrame>
                    (v);

                var rstream = RenderStream.ShareContextWith
                    <fboFrame,ParticleStream>(stream);
                Blueprint blueprint = new Blueprint();

                CrossFrameOperation cross = new CrossFrameOperation(() => Console.Beep(), 60 );

                BlueprintNode node0 = new BlueprintNode("BufferGenerateStream", rstream,true);
                BlueprintNode node1 = new BlueprintNode("MainRenderStream",stream,true);
                BlueprintNode node2 = new BlueprintNode("Beep", cross,false);

                node0.AddAfter(blueprint.BeginLayer, 
                    "port_1", "input_1");
                node0.AddBefore(node1,
                    "output_1", "TextureInput");
                /*
                node1.AddBefore(blueprint.EndLayer,
                    "Output", "port2");
                node2.AddAfter(blueprint.BeginLayer,
                    "port_2", CrossFrameOperation.InputInterfacesName);
                /**/
                /**/
                node2.AddAfter(blueprint.BeginLayer,
                    "input_2", CrossFrameOperation.InputInterfacesName);
                /**/
                node2.AddBefore(blueprint.EndLayer,
                    CrossFrameOperation.OutputInterfacesName, "port_1");

                blueprint.AddNode(node0,true);
                blueprint.AddNode(node1, true);
                blueprint.AddNode(node2, false);
                blueprint.Init();

                BlueprintRunner.SetMaxTaskCount(1);

                Console.WriteLine(2);

                demoForm.GeneralRenderLogic = blueprint;
                demoForm.Show();
                StgSharp.Terminate();
                /**/

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message + "\n" + ex.StackTrace);
                InternalIO.InternalWriteLog(
                    ex.Message + "\n" + ex.StackTrace,
                    LogType.Error);
            }
        }
    }
}