using UnityEngine;
using UnityEngine.Rendering.Universal;
using X.Rendering.Feature;

[ExecuteAlways]
public class Test : MonoBehaviour
{
    public Transform transform;
    int vrs = 0;

    static float[] resultions = new float[]
    {
        1.0f,
        0.75f,
        0.66f,
        0.5f,
        0.33f
    };
    static string[] dlssQualitys = new string[]
    {
        "MaximumPerformance",
        "Balanced",
        "MaximumQuality",
        "UltraPerformance"
    };

    private int resultionIndex = 0;
    private bool dlssOn = false;
    private int dlssQuality;

    private bool xessOn = false;

    private void Start()
    {
        RenderingPlugin.InitSupportFeatures();
    }

    public void  OnClickVRS()
    {
        var asset = UniversalRenderPipeline.asset;
        if (asset != null)
        {
            vrs++;
            if (vrs > (int)RenderingPlugin.VRSPluginShadingRate.X1_PER_4X4_PIXELS)
            {
                vrs = 0;
            }

            asset.VRSRate = (RenderingPlugin.VRSPluginShadingRate)vrs;
            Debug.Log("VRS RATE" + asset.VRSRate);
        }
    }

    private void Update()
    {
        
        //transform?.Rotate(new Vector3(0, 0.1f, 0));
        if (Input.GetKey(KeyCode.LeftControl) && Input.GetKeyDown(KeyCode.R))
        {
            resultionIndex++;
            resultionIndex = resultionIndex % resultions.Length;
            UniversalRenderPipeline.asset.renderScale = resultions[resultionIndex];
        }

        if (Input.GetKey(KeyCode.LeftControl) && Input.GetKeyDown(KeyCode.E))
        {
            dlssOn = !dlssOn;
            var asset = UniversalRenderPipeline.asset;
            DLSS dlss = null;
            foreach (var item in asset.GetRenderer(0).rendererFeatures)
            {
                if (item is DLSS dl)
                {
                    dlss = dl;
                    break;
                }
            }
            if (dlssOn)
            {
                asset.superResolution = ESuperResolution.DLSS2;
                dlss.SetActive(true);
            }
            else
            {

                SuperResolutionParamSets.Instance.Set<bool>("NeedJitter", false);
                SuperResolutionParamSets.Instance.Set<float>("MipmapBias", 0);
                asset.superResolution= ESuperResolution.None;
                dlss.SetActive(false);
            }
        }
        if (Input.GetKey(KeyCode.LeftControl) && Input.GetKeyDown(KeyCode.Q))
        {
            dlssQuality++;
            dlssQuality = dlssQuality % dlssQualitys.Length;
            var asset = UniversalRenderPipeline.asset;
            DLSS dlss = null;
            foreach (var item in asset.GetRenderer(0).rendererFeatures)
            {
                if (item is DLSS dl)
                {
                    dlss = dl;
                    break;
                }
            }
            dlss.quality = (UnityEngine.NVIDIA.DLSSQuality)dlssQuality;
        }

        if (Input.GetKey(KeyCode.LeftShift) && Input.GetKeyDown(KeyCode.X))
        {
            xessOn = !xessOn;
            var asset = UniversalRenderPipeline.asset;
            XESS xess = null;
            foreach (var item in asset.GetRenderer(0).rendererFeatures)
            {
                if (item is XESS xe)
                {
                    xess = xe;
                    break;
                }
            }
            if (xessOn)
            {
                asset.superResolution = ESuperResolution.XESS13;
                xess.SetSR(ESuperResolution.XESS13);
            }
            else
            {
                SuperResolutionParamSets.Instance.Set<bool>("NeedJitter", false);
                SuperResolutionParamSets.Instance.Set<float>("MipmapBias", 0);
                asset.superResolution = ESuperResolution.None;
                xess.SetSR(ESuperResolution.None);
            }

        }
    }

    GUIStyle font;

    private void Awake()
    {
        font = new GUIStyle();
        font.normal.background = null;
        font.normal.textColor = Color.green;
        font.fontSize = 32;
    }

    private void OnGUI()
    {
        //if (GUI.Button(new Rect(100,10, 100, 50), "VRS"))
        //{
        //    OnClickVRS();
        //}
        //if (GUI.Button(new Rect(100, 100, 100, 50), "FG"))
        //{
        //    X.Rendering.Feature.FG.UseFG = !X.Rendering.Feature.FG.UseFG;
        //}

        //if (GUI.Button(new Rect(100, 200, 100, 50), "MetalSR"))
        //  //  if (Input.GetKeyDown(KeyCode.P))
        //{
        //    var asset = UniversalRenderPipeline.asset;
        //    asset.superResolution = ESuperResolution.METAL_FX_SPATIAL_SR;
        //    asset.UpdateSSSettings();
        //}
        GUI.Label(new Rect(50, 100, 300, 100), $"ctrl + r resultion:{resultions[resultionIndex]}", font);
        GUI.Label(new Rect(50, 150, 300, 100), $"ctrl + e dlss:{(dlssOn ? "On" : "Off")}", font);
        GUI.Label(new Rect(50, 200, 300, 100), $"ctrl + q quality:{dlssQualitys[dlssQuality]}", font);
        GUI.Label(new Rect(50, 250, 300, 100), $"shift + x xess:{(xessOn ? "On" : "Off")}", font);
    }

    public static void TestBatchMode()
    {
        Debug.Log("TestBatchMode");
    }
}