using asap.core;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using GameCore;
// using NetEase;
using PlayFab.Internal;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.ResourceLocations;
using UnityEngine.ResourceManagement.ResourceProviders;
// using YiDun.Protector;

namespace game
{
    public class RootCtx : GContext
    {
#if !UNITY_EDITOR && AGG
        private void Start()
        {
            Debug.Log("InitSDK - Skipped (tysdk removed)");
        }
#endif

        protected override async Task SetupAsync()
        {
            container.Register<IStageService, StageService>().AsSingleton();
            //container.Register<IDataService, LubanDataService>().AsSingleton();
            container.Register<IObjectSerializer, ObjectSerializer>().AsSingleton();
            container.Register<IConfig, Config>().AsSingleton();

            await Awaiters.NextFrame;
            BetterStreamingAssets.Initialize();

            // using remote assets locally if exists
            Addressables.InternalIdTransformFunc += DoIdTransform;

            UnityEngine.Random.InitState((int)System.DateTime.Now.Ticks);
            // Initialize DOTween with the preferences set in DOTween's Utility Panel
            DG.Tweening.DOTween.Init();
            // Set Tweens capacity accordingly based on DOTween warnings
            DG.Tweening.DOTween.SetTweensCapacity(200, 125);

            Application.lowMemory += OnLowMemory;
            //SceneManager.sceneLoaded += OnSceneLoaded;
            Screen.sleepTimeout = SleepTimeout.NeverSleep;
            
            // InitYiDun();
        }

//         private static void InitYiDun()
//         {
//             // 开发这模式 就不启用了
//             var config = GContext.container.Resolve<IConfig>();
//             if (config != null && (config.Get("DEBUG", "0") == "1" || config.Get("GM", "0") == "1"))
//             {
//                 return;
//             }
//             
//             
//             var yiDunManager = YiDunProtector.GetManager();
//             yiDunManager.InitConfig((out HTProtectConfig  config) =>
//             {
//                 config = new HTProtectConfig();
//                 config.setServerType(GConstant.Yidun_serverType); 
// #if UNITY_ANDROID
//                 if(ChannelManager.IsGooglePlay)
//                     config.setChannel(GConstant.Yidun_GooglePlayChannel); // 渠道
//                 else if (ChannelManager.IsRustoreStore)
//                     config.setChannel(GConstant.Yidun_RustoreChannel); // Rustore
// #elif UNITY_IOS
//                 config.setChannel(GConstant.Yidun_IOSChannel);
// #endif
//                 config.setInitThread(true);
//                 config.setInitThreadCrash(true);
//             
//             });
// // #endif
//    
//             yiDunManager.Init(GConstant.YidunProductId, new YiDunHtpCallback((code, message) =>
//             {
//                 Debug.Log($"InitYiDun CallBack :{code} {message}");
//                 Publish(new YiDunEventData()
//                 {
//                     Code = code,
//                     messages = message
//                 });
//                 
//             }));
//             container.RegisterInstance(yiDunManager);
// // #endif
//         }

        

        //void OnSceneLoaded(Scene scene, LoadSceneMode mode)
        //{
        //GameDebug.Log("[GameEngine]OnSceneLoaded: Name: {0}, Mode: {1}", scene.name, mode);
        //SetCamStack();
        //}


        float _lowMemCleanupTime;
        bool _isUnloadingMem;
        const float LOW_MEM_CLEANUP_CD = 10f; // in secs

        void OnLowMemory()
        {
            GameDebug.LogWarning("[GameEngine]OnLowMemory: Memory is low!");

            // Add a cool-down time to prevent consecutive cleaning up process, which
            // will cause a long performance hiccup
            if (!_isUnloadingMem &&
                Time.realtimeSinceStartup - _lowMemCleanupTime > LOW_MEM_CLEANUP_CD)
            {
                StartCoroutine(UnloadMemory());
            }
        }

        IEnumerator UnloadMemory(Action back = null)
        {
            GameDebug.Log("[GameEngine]UnloadMemory: Start cleaning up!");

            _isUnloadingMem = true;
            System.GC.Collect();
            var op = Resources.UnloadUnusedAssets();

            while (!op.isDone)
            {
                yield return null;
            }

            back?.Invoke();
            _lowMemCleanupTime = Time.realtimeSinceStartup;
            _isUnloadingMem = false;
            GameDebug.Log("[GameEngine]UnloadMemory: Cleaning up is done!");
        }

        private string customAddressableRemoteURL;
        private string originAddressableRemoteURL;

        public void ChangeAddressableRemoteUrl(string customUrl, string originUrl)
        {
            Debug.Log($"[RootCtx::ChangeAddressableRemoteUrl] customUrl: {customUrl}, originUrl: {originUrl}");
            customAddressableRemoteURL = customUrl;
            originAddressableRemoteURL = originUrl;
            Addressables.InternalIdTransformFunc -= DoIdTransform;
            Addressables.InternalIdTransformFunc += DoIdTransformUsingCustomURL;
        }

        private const string Remote_Prefix = "http";

        private string DoIdTransformUsingCustomURL(IResourceLocation location)
        {
            var id = location.InternalId;
            if (id.StartsWith(Remote_Prefix))
            {
                if (location.ResourceType.IsAssignableFrom(typeof(IAssetBundleResource)))
                {
                    var primaryKey = location.PrimaryKey;
                    if (BetterStreamingAssets.FileExists(primaryKey))
                        return Path.Combine(Application.streamingAssetsPath, primaryKey);
                }
                id = id.Replace(originAddressableRemoteURL, customAddressableRemoteURL);
            }
            return id;
        }

        private string DoIdTransform(IResourceLocation location)
        {
            var id = location.InternalId;
            if (id.StartsWith(Remote_Prefix))
            {
                if (location.ResourceType.IsAssignableFrom(typeof(IAssetBundleResource)))
                {
                    var primaryKey = location.PrimaryKey;
                    if (BetterStreamingAssets.FileExists(primaryKey))
                        return Path.Combine(Application.streamingAssetsPath, primaryKey);
                }
            }
            return id;
        }

        public static void ExitGame()
        {
            PlayerPrefs.Save();
            Application.runInBackground = false;

            if (Application.platform == RuntimePlatform.Android)
            {
                // Calling Application.Quit on some devices will cause ANR, so
                // directly calling system action instead
                try
                {
                    new AndroidJavaClass("java.lang.System").CallStatic("exit", 0);
                }
                catch (Exception ex)
                {
                    Debug.LogError($"[GameStateMgr]ExitGame: {ex}");
                }
            }
            else
            {
                Application.Quit();
            }
        }

        public static bool showFPS = false;
        public static float fps;
        private static float frameCount;
        private static float elapse;
        private GUIStyle _fpsStyle;
        public GUIStyle fpsStyle
        {
            get
            {
                if (_fpsStyle == null)
                {
                    int h = Screen.height;
                    _fpsStyle = new GUIStyle();
                    _fpsStyle.alignment = TextAnchor.UpperLeft;
                    _fpsStyle.fontSize = h * 2 / 100;
                    _fpsStyle.normal.textColor = Color.magenta;
                }
                return _fpsStyle;
            }
        }

        void OnGUI()
        {
            frameCount++;
            elapse += Time.unscaledDeltaTime;
            if (elapse >= 1)
            {
                fps = frameCount / elapse;
                elapse = 0;
                frameCount = 0;
            }
            if (!showFPS) return;

            string text = string.Format("FPS: {0:0.}", fps);
            int w = Screen.width, h = Screen.height;
            Rect rect = new Rect(20, h * 0.4f, w * 0.5f, h * 2 / 100);
            GUI.Label(rect, text, fpsStyle);
        }

        protected override void OnDestroy()
        {
            Debug.Log("[RootCtx::OnDestroy]");
            base.OnDestroy();
            Addressables.InternalIdTransformFunc = null;
            Application.lowMemory -= OnLowMemory;
            root = null;
            Ready = false;
            IsInited = false;
            eventAggregator = new EventAggregator();
            container.Dispose();
            container = new Container();
        }

        public static void DestoryRootCtx()
        {
            if (root != null)
            {
                GameObject.DestroyImmediate(root.gameObject);
                root = null;
            }
        }
    }
}