using System;
using System.Collections.Generic;
using FlaxEngine;

namespace Game
{
    /// <summary>
    /// CameraRender Script.
    /// </summary>
    public class CameraRender : Script
    {
        public Camera camera;

        private PostProcessEffect fidelityFx;

        public override void OnStart()
        {
            // Here you can add code that needs to be called when script is created, just before the first game update
            MainRenderTask.Instance.Render += InstanceOnRender;
            MainRenderTask.Instance.PostRender += OnPostRender;

            foreach (PostProcessEffect fx in SceneRenderTask.GlobalCustomPostFx)
            {
                if (fx.TypeName == "FidelityFX.FSRPostFx")
                    fidelityFx = fx;
                Debug.Log("fx: " + fx.TypeName);
            }

            MainRenderTask.Instance.RenderingPercentage = 1f;
        }

        private void InstanceOnRender(RenderTask renderTask, GPUContext gpuContext)
        {
            //gpuContext.Clear();
            var outputView = MainRenderTask.Instance.OutputView;
            var viewport = camera.Viewport;
            MainRenderTask.Instance.View.CopyFrom(camera, ref viewport);

            //MainRenderTask.Instance.View.CopyFrom(Camera.MainCamera);
        }

        private void OnPostRender(GPUContext gpuContext, ref RenderContext renderContext)
        {
            //var viewport = MainRenderTask.Instance.Viewport;
            //var viewport2 = camera.Viewport;

            MainRenderTask.Instance.View.CopyFrom(Camera.MainCamera);
        }

        /// <inheritdoc/>
        public override void OnEnable()
        {
            // Here you can add code that needs to be called when script is enabled (eg. register for events)
        }

        /// <inheritdoc/>
        public override void OnDisable()
        {
            MainRenderTask.Instance.Render -= InstanceOnRender;
            MainRenderTask.Instance.PostRender -= OnPostRender;
            // Here you can add code that needs to be called when script is disabled (eg. unregister from events)
        }

        /// <inheritdoc/>
        public override void OnUpdate()
        {
            if (Input.GetKeyDown(KeyboardKeys.F8))
            {
                fidelityFx.Enabled = !fidelityFx.Enabled;
                Cabrito.Console.Print("FXR: " + fidelityFx.Enabled.ToString());
            }
            // Here you can add code that needs to be called every frame
        }
    }
}