using System;
using UnityEditor;
using UnityEngine;
using System.Runtime.InteropServices;

using System.IO;
using System.Reflection;
using System.Collections.Generic;

namespace Substance.EditorHelper
{
    public class Scripter
    {
        public static void Hello()
        {
            Debug.Log("Scripter's Hello");

#if UNITY_2019_3_OR_NEWER
            Debug.Log("UNITY_2019_3_OR_NEWER");
#endif
        }

        public static class UnityPipeline
        {
            // The active project context is in the 'Edit->Project Settings->Graphics->Scriptable Render Pipeline Settings' field.
            public static bool IsHDRP()
            {
#if UNITY_2019_3_OR_NEWER
            bool bActive = false;

            UnityEngine.Rendering.RenderPipelineAsset asset;
            asset = UnityEngine.Rendering.GraphicsSettings.defaultRenderPipeline;

            if ((asset != null) &&
                (asset.GetType().ToString().EndsWith(".HDRenderPipelineAsset")))
            {
                    bActive = true;
            }

            return bActive;
#else
                return false;
#endif
            }

            public static bool IsURP()
            {
#if UNITY_2019_3_OR_NEWER
                bool bActive = false;

                UnityEngine.Rendering.RenderPipelineAsset asset;
                asset = UnityEngine.Rendering.GraphicsSettings.defaultRenderPipeline;

                if ((asset != null) &&
                    (asset.GetType().ToString().EndsWith("UniversalRenderPipelineAsset")))
                {
                    bActive = true;
                }

                return bActive;
#else
                return false;
#endif
            }

            // Keep the following for PackageManager investigation:
            /*
            public static UnityEditor.PackageManager.PackageInfo GetPackageInfo(string pName)
            {
#if UNITY_2019_3_OR_NEWER
                Debug.Log("New stuff...");

                UnityEditor.PackageManager.PackageInfo info;

                info = UnityEditor.PackageManager.PackageInfo.FindForAssetPath(pName);

                return info;
#else
                Debug.Log("Old stuff...");
                return null;
#endif
            }
            */
        }
    }
}