using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Interop;

using SlimDX;
using SlimDX.Windows;
using Aiwaz.Core;
using Aiwaz.Resources;
using Aiwaz.Editor.ViewModels;
using Aiwaz.Resources.Prefab;
using Aiwaz.Contracts;
using Aiwaz.Editor.Controls;

namespace Aiwaz.Editor
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
    public partial class Window1 : Window
    {
        public ResourceViewModel ResourceViewModel;
        

        public Window1()
        {
            InitializeComponent();

            aiwazControl.SwapChain.ClearColor = new Color4(0.0f, 0.0f, 1.0f);

            var model = new BluModel(new BluModelParams() { FileName = "Data/ChamferBox.blu" });
            model.RootTransformation.LocalScale = new SlimDX.Vector3(0.1f, 0.1f, 0.1f);
            model.RootTransformation.LocalPosition = new SlimDX.Vector3(1.0f, 0.0f, 2.0f);

            var camera = new PerspectiveCamera(new PerspectiveCameraParams());
            var normalMapping = new Shader(new ShaderParams() { FileName = "Data/NormalOutput.fx", TechniqueName = "NormalMapping" });
            var wallTexture = new Texture(new FileTextureParams() { FileName = "Data/Wall.jpg" });
            var wallNormalTexture = new Texture(new FileTextureParams() { FileName = "Data/WallNormal.jpg" });
            wallNormalTexture.BindingName = "Normal";
            var roomCube = new Cube(new CubeParams() { Width = 10.0f, Height = 10.0f, Depth = 10.0f, IsInverted = true });
            roomCube.GeometryBuffer.IsPickable = true;

            var roomCubeTransformation = new Transformation(new DefaultTransformationBindings());
            roomCubeTransformation.LocalPosition = new SlimDX.Vector3(0.0f, 0.0f, 2.0f);

            var lightPosition = new ReferenceT<SlimDX.Vector3>(new SlimDX.Vector3(0.0f, 1.0f, 0.0f));
            var lightColor = new ReferenceT<SlimDX.Vector4>(new SlimDX.Vector4(2.0f, 2.0f, 1.0f, 1.0f));

            var lightParameters = new ShaderParameterSet();
            lightParameters.IsPreconditionForFollowingShaders = true;
            lightParameters.SetParameter("LightPosition", lightPosition, ParameterBindType.BindBySemantic);
            lightParameters.SetParameter("LightColor", lightColor, ParameterBindType.BindBySemantic);

            aiwazControl.RootNode.Children.Add(camera);
            aiwazControl.RootNode.Children.Add(lightParameters);
            aiwazControl.RootNode.Children.Add(roomCubeTransformation);
            aiwazControl.RootNode.Children.Add(normalMapping);
            aiwazControl.RootNode.Children.Add(wallTexture);
            aiwazControl.RootNode.Children.Add(wallNormalTexture);
            aiwazControl.RootNode.Children.Add(roomCube);
            aiwazControl.RootNode.Children.Add(model);

            ResourceViewModel = new ResourceViewModel(aiwazControl.RootNode);
            trvNodes.DataContext = ResourceViewModel;
            trvNodes.SelectedItemChanged += new RoutedPropertyChangedEventHandler<object>(trvNodes_SelectedItemChanged);

            aiwazControl.PickableResources = PickableResourcesDataSource.CreateFromResource(aiwazControl.RootNode);
            aiwazControl.SelectedResourceChanged += new Aiwaz.Editor.Controls.AiwazViewControl.SelectedResourceChangedDelegate(aiwazControl_SelectedResourceChanged);
        }

        void aiwazControl_SelectedResourceChanged(object sender, Aiwaz.Editor.Controls.PickableResourceInfo newSelectedResourceInfo)
        {
            Properties.SelectedObject = newSelectedResourceInfo == null ? null : newSelectedResourceInfo.Resource;
        }

        void trvNodes_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            Properties.SelectedObject = ((ResourceViewModel)(e.NewValue)).Resource;
        }
    }
}