using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.SceneManagement;
using Object = UnityEngine.Object;
#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.SceneManagement;
#endif

namespace BoatAttack
{
    public class Benchmark : MonoBehaviour
    {
        public List<BenchmarkSettings> settings = new List<BenchmarkSettings>();
        private static BenchmarkSettings _settings;

        //public AssetReference perfStatsUI;
        //public AssetReference perfSummaryUI;

        private void Start()
        {
            SceneManager.sceneLoaded += OnSceneLoaded;
            DontDestroyOnLoad(gameObject);
            LoadBenchmark(settings[0]);
        }

        private void LoadBenchmark(BenchmarkSettings setting)
        {
            settings.RemoveAt(0);
            _settings = setting;
            AppSettings.LoadScene(setting.scene);
        }

        private void OnSceneLoaded(Scene scene, LoadSceneMode mode)
        {
            if (scene.name == _settings.scene)
            {
                switch (_settings.type)
                {
                    case BenchmarkType.Track:
                        SetupFlyThroughBenchmark();
                        break;
                    case BenchmarkType.Static:
                        SetupStaticBenchmark();
                        break;
                    default:
                        throw new ArgumentOutOfRangeException();
                }
            }
        }

        private void SetupFlyThroughBenchmark()
        {
            var go = GameObject.FindGameObjectWithTag("benchmark_flythrough");

        }

        private void SetupStaticBenchmark()
        {
            var go = GameObject.FindGameObjectWithTag("benchmark_static");
        }

        public static void EndBenchmark()
        {
            if (_settings != null && _settings.exitOnCompletion)
            {
                AppSettings.ExitGame();
            }
        }
    }

#if UNITY_EDITOR
    [InitializeOnLoad]
#endif
    public class BenchmarkTool
    {
#if UNITY_EDITOR
        static BenchmarkTool()
        {
            //EditorApplication.playModeStateChanged += Cleanup;
        }
        
        [MenuItem("Boat Attack/Benchmark/Island Flythrough")]
        public static void IslandFlyThrough()
        {
            EditorApplication.EnterPlaymode();
            var settings = new BenchmarkSettings("benchmark_island-flythrough",
                4,
                true,
                true,
                true,
                BenchmarkType.Track);
            //CreateBenchmark(settings);
        }

        private static void Cleanup(PlayModeStateChange state)
        {
            if (state == PlayModeStateChange.EnteredEditMode)
            {
                var go = GameObject.Find("BenchmarkManager");
                if(go)
                    Object.DestroyImmediate(go);
            }
        }
#endif
        public static void CreateBenchmark(BenchmarkSettings settings)
        {
            var go = new GameObject("BenchmarkManager");
            var bench = go.AddComponent<Benchmark>();
            bench.settings.Add(settings);
        }
    }

    public class PerfBasic
    {
        public TestInfo info;
        public float RunTime;
        public int Frames;
        public float AvgMs;
        public float MinMs = Single.PositiveInfinity;
        public float MinMSFrame;
        public float MaxMs = Single.NegativeInfinity;
        public float MaxMSFrame;
        public float[] RawSamples;

        public PerfBasic(int frames)
        {
            Frames = frames;
            info = new TestInfo();
        }
    }

    public class TestInfo
    {
        public string Scene;
        public string UnityVersion;
        public string UrpVersion;
        public string BoatAttackVersion;
        public string Platform;
        public string API;
        public string CPU;
        public string GPU;
        public string Os;
        public string Quality;
        public string Resolution;

        public TestInfo()
        {
            Scene = Utility.RemoveWhitespace(SceneManager.GetActiveScene().name);
            UnityVersion = Application.unityVersion;
            UrpVersion = "N/A";
            BoatAttackVersion = Application.version;
            Platform =  Utility.RemoveWhitespace(Application.platform.ToString());
            API =  Utility.RemoveWhitespace(SystemInfo.graphicsDeviceType.ToString());
            CPU =  Utility.RemoveWhitespace(SystemInfo.processorType);
            GPU =  Utility.RemoveWhitespace(SystemInfo.graphicsDeviceName);
            Os =  Utility.RemoveWhitespace(SystemInfo.operatingSystem);
            Quality =  Utility.RemoveWhitespace(QualitySettings.names[QualitySettings.GetQualityLevel()]);
            Resolution = $"{Display.main.renderingWidth}x{Display.main.renderingHeight}";
        }
    }

    [Serializable]
    public enum BenchmarkType
    {
        Track,
        Static
    }

    [Serializable]
    public class BenchmarkSettings
    {
        public string scene = "benchmark_island-flythrough";
        public int runs = 4;
        public bool exitOnCompletion = true;
        public bool warmup = true;
        public bool stats = false;
        public BenchmarkType type;

        public BenchmarkSettings(string scene, int runs, bool exitOnCompletion, bool warmup, bool stats, BenchmarkType type)
        {
            this.scene = scene;
            this.runs = runs;
            this.exitOnCompletion = exitOnCompletion;
            this.warmup = warmup;
            this.stats = stats;
            this.type = type;
        }
    }
}