using HotUpdate.UI;
using Cysharp.Threading.Tasks;
using PhxhSDK.AOT;
using PhxhSDK.AOT.SimpleLoader;
using PhxhSDK.AOT.VersionUpdate;
using System;
#if UNITY_IOS && !UNITY_EDITOR
using System.Runtime.InteropServices;
#endif
using PhxhSDK.AOT.PreConfig;
using UnityEngine;
using UnityEngine.SceneManagement;
using Assets.PhxhSDK.AOT.BI;
#if USE_OBFUZ
using Obfuz.EncryptionVM;
using Obfuz;
#endif
using static ProgressBarData;

#if PLATFORM_ANDROID || UNITY_EDITOR
using UnityEngine.Android;
#endif


public class GameLauncher : MonoBehaviour
{
#if USE_OBFUZ
    private static bool _isSetUpStaticSecret = false;
    /// <summary>
    /// 初始化EncryptionService后被混淆的代码才能正常运行，
    /// 因此尽可能地早地初始化它。
    /// </summary>
    [ObfuzIgnore]
    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterAssembliesLoaded)]
    private static void _SetUpStaticSecretKey()
    {
        if (_isSetUpStaticSecret)
        {
            return;
        }
        _isSetUpStaticSecret = true;
        Debug.Log("[Obfz] SetUpStaticSecret begin");
        var loadedAsset = Resources.Load<TextAsset>("us5af47s54fsa1z90sf");
        if (loadedAsset == null)
        {
            Debug.LogError("[Obfz] SetUpStaticSecret failed: could not load static secret asset");
            return;
        }
        EncryptionService<DefaultStaticEncryptionScope>.Encryptor = new GeneratedEncryptionVirtualMachine(loadedAsset.bytes);
        Debug.Log("[Obfz] SetUpStaticSecret end");
    }

    private static void _SetUpDynamicSecret(byte[] bytes)
    {
        Debug.Log("[Obfz] SetUpDynamicSecret begin");
        EncryptionService<DefaultDynamicEncryptionScope>.Encryptor = new GeneratedEncryptionVirtualMachine(bytes);
        Debug.Log("[Obfz] SetUpDynamicSecret end");
    }
#endif

    private const string START_SCENE_NAME = "Assets/Scenes/StartScene.unity";
#if USE_OBFUZ
    private const string DYNAMIC_SECRET_PATH = "Assets/Config/Obfuz/defaultDynamicSecretKey.bytes";
#endif

    //最大能容忍的下载卡住时长，一旦超过则重新开始下载
    // private const float DOWNLOAD_STUCK_TIME_MAX = 10;
    #region 进度条优化
    /// <summary>
    /// 进度条
    /// </summary>
    private ProgressBarData progressBarData;
    /// <summary>
    /// 假进度
    /// </summary>
    private float fakeProgess;
    /// <summary>
    /// 真进度
    /// </summary>
    private float realProgess;
    /// <summary>
    /// 假进度计时
    /// </summary>
    private float fakeProgessTimer;
    /// <summary>
    /// 假进度下一次增长的值
    /// </summary>
    private float fakeNextAddValue;
    #endregion

    /// <summary>
    /// 最终进度
    /// </summary>
    public float FinalProgess { get { return Mathf.Max(realProgess, fakeProgess); } }
    
#if USE_HCLR
    private HybridCLRHelper _hybridCLRHelper;
#endif

    private VersionUpdateHandle _versionUpdateHandle;
    private ISimpleLoader _simpleLoader;
    private IVersionUpdateUI versionUpdateUI;

    public bool enableHotUpdate = true;

    private void Awake()
    {
#if USE_OBFUZ
        _SetUpStaticSecretKey();
#endif

        Screen.sleepTimeout = SleepTimeout.NeverSleep; // 保持屏幕常亮
        fakeProgess = 0f;
        realProgess = 0f;
        fakeProgessTimer = 0f;
        progressBarData = Resources.Load<ProgressBarData>("ProgressBarData");
    }

    private void Start()
    {
#if SDK_ADJUST
        var YourAppToken = "shw96lfwisqo"; // 替换为你的Adjust App Token
        AdjustInitTool.Instance.InitAdjustSDK(YourAppToken);
#endif
#if SDK_FIREBASE
        Firebase.Analytics.FirebaseAnalytics.LogEvent("First_open");
#endif

        versionUpdateUI = new TempUIHandle();
        versionUpdateUI.HideUpdateInfo();

        bool agreement = PlayerPrefs.GetInt("PrivacyAgreement", 0) == 1;
        //BIToolinAOT.Instance.TrackEventInAOT("app_open", null);

        if (!agreement) // 弹隐私弹窗
        {
            TempUpdateUI.Instance.PrivacyAgreeCallback = () =>
            {
                TempUpdateUI.Instance.m_ProgressObj.SetActive(true);
                Launch();
            };
            TempUpdateUI.Instance.m_PrivacyDialogObj.SetActive(true);
        }
        else
        {
            TempUpdateUI.Instance.m_ProgressObj.SetActive(true);
            Launch();
        }
    }

    private void Update()
    {
        if (null == versionUpdateUI)
            return;

        versionUpdateUI.UpdateProgress(FinalProgess);

        if (realProgess >= 1f)
            return;

        if (null == _versionUpdateHandle)
            return;

        if (!_versionUpdateHandle.IsUpdating)
            return;

        if (null == progressBarData)
            return;

        if (0 >= progressBarData.ListProgressDatas.Count) // 没有配置数量
            return;

        ProgressData lastProgressData = progressBarData.ListProgressDatas[^1];
        if (fakeProgess >= lastProgressData.Target) // 进度满了
            return;

        if (fakeProgessTimer <= 0f)
        {
            foreach (ProgressData progressData in progressBarData.ListProgressDatas)
            {
                if (fakeProgess >= progressData.Target)
                    continue;

                fakeProgessTimer += UnityEngine.Random.Range(progressData.MinInterval, progressData.MaxInterval);
                fakeNextAddValue = UnityEngine.Random.Range(progressData.MinAddValue, progressData.MaxAddValue);
                break;
            }
        }

        fakeProgessTimer -= Time.deltaTime;

        if (fakeProgessTimer <= 0f)
        {
            fakeProgess += fakeNextAddValue;
            if (fakeProgess > lastProgressData.Target)
                fakeProgess = lastProgressData.Target;
        }    
    }

    private async void Launch()
    {
#if UNITY_EDITOR
        enableHotUpdate = false;
#endif
#if PLATFORM_ANDROID && !SDK_BILIBILI //B站在隐私协议之后才申请权限
        if (!Permission.HasUserAuthorizedPermission(Permission.ExternalStorageWrite))
        {
            Debug.Log("申请权限: " + Permission.ExternalStorageWrite);
            Permission.RequestUserPermission(Permission.ExternalStorageWrite);
        }
#endif
        realProgess = 0f;
        versionUpdateUI.UpdateProgressText(LocalizeMono.Instance.GetLocalizeText("NetworkConnection")); // 尝试网络连接中...
        _versionUpdateHandle = new VersionUpdateHandle(versionUpdateUI, SetRealProgress);
        VersionUpdateInfo versionUpdateInfo = _versionUpdateHandle.GetVersionInfo();
        PackDataInst.CreateInst();

        UpdateLocalInfo localInfo = PackDataInst.Inst.localInfo;
        string acquiring = LocalizeMono.Instance.GetLocalizeText("Acquiring"); // 获取中...
        string displayLocalVersion = VersionDisplayFormatter.Format(localInfo.localFullVersion, "[LTRes]GameLauncher");
        Debug.Log("[LTRes]GameLauncher - ShowVersion关键日志 stage=LaunchInit, fullOldVersion=" + localInfo.localFullVersion + ", fullNewVersion=" + acquiring + ", displayOldVersion=" + displayLocalVersion + ", displayNewVersion=" + acquiring + ", serverName=" + acquiring);
        versionUpdateUI.ShowVersion(Application.version, localInfo.workSpace, displayLocalVersion, acquiring, acquiring);

        BIToolinAOT.Instance.Init();//TalkingData初始化
        try
        {
            DeviceIdHandle.Instance.Initialize();//设备ID获取初始化
            
#if UNITY_IOS && !UNITY_EDITOR
            Debug.Log("开始获取iOS标识：");
            DeviceIdHandle.Instance.IDFV = FetchIDFV();
            FetchIDFA();
            Debug.Log("结束获取iOS标识：");
#endif
        }
        catch (Exception e)
        {
            Debug.LogError($"DeviceIdHandle Initialize Error:{e}");
        }


        //PlayerPrefs.SetString("BI_Platform", TalkingDataInitTool.channel);
        #region 更新AppConfig
        bool downloadResult;
        do
        {
            try
            {
                versionUpdateUI.UpdateProgressText(LocalizeMono.Instance.GetLocalizeText("RequestConfiguration")); // 开始请求APPConfig
                BIToolinAOT.Instance.TrackEventInAOT("app_config_request", null);

                downloadResult = await PreConfig.instance.DownloadConfig();

                versionUpdateUI.UpdateProgressText(LocalizeMono.Instance.GetLocalizeText("RequestConfigurationComplete")); // 请求APPConfig结束
                string displayLocalVersionAfterConfig = VersionDisplayFormatter.Format(localInfo.localFullVersion, "[LTRes]GameLauncher");
                Debug.Log("[LTRes]GameLauncher - ShowVersion关键日志 stage=ConfigReady, fullOldVersion=" + localInfo.localFullVersion + ", fullNewVersion=" + acquiring + ", displayOldVersion=" + displayLocalVersionAfterConfig + ", displayNewVersion=" + acquiring + ", serverName=" + PreConfig.instance.ServerName);
                versionUpdateUI.ShowVersion(Application.version, localInfo.workSpace, displayLocalVersionAfterConfig, acquiring, PreConfig.instance.ServerName);
                BIToolinAOT.Instance.TrackEventInAOT("app_config_response", new System.Collections.Generic.Dictionary<string, object>(){
                    {"result", downloadResult? 0 : 1 }
                });
            }
            catch (Exception)
            {
                downloadResult = false;
            }
        } 
        while (!downloadResult && await versionUpdateUI.ShowDialog(LocalizeMono.Instance.GetLocalizeText("Tip"), LocalizeMono.Instance.GetLocalizeText("DownloadConfigErrorRetry"))); // 下载配置文件失败，是否重试?

        if (!downloadResult)
            TempUpdateUI.Instance.OnClickCancel();
        #endregion

        if (!PreConfig.instance.isConfigValid)
        {
            // 配置错误,没有读取到ResUrl
            Debug.LogError("配置文件错误");
            await versionUpdateUI.ShowDialog(LocalizeMono.Instance.GetLocalizeText("Tip"), LocalizeMono.Instance.GetLocalizeText("ConfigError")); // 配置文件错误
            TempUpdateUI.Instance.OnClickCancel();
            return;
        }

        await YooAssetHelper.Init();
        _simpleLoader = new SimpleLoader_YooAsset();

        Debug.Log($"Launch Game! enableHotUpdate:{enableHotUpdate}");

        bool result = await _versionUpdateHandle.CheckUpdate();//这里会打点资源检测更新事件
        if (!result)
        {
            Debug.LogError("更新失败!,无法进入游戏");
            return;
        }

        if (enableHotUpdate)
        {
#if USE_HCLR
#if USE_OBFUZ
            byte[] dynamicSecret = await _simpleLoader.LoadDllBytes(DYNAMIC_SECRET_PATH);
            _SetUpDynamicSecret(dynamicSecret);
            await _simpleLoader.UnloadDll(DYNAMIC_SECRET_PATH);
#endif

            Debug.Log("需要热更新,开始加载程序集");
            _hybridCLRHelper = new HybridCLRHelper();
            _hybridCLRHelper.SetDllList(AOTGenericReferences.PatchedAOTAssemblyList);
            _hybridCLRHelper.RegisterLoader(_simpleLoader);

            await _hybridCLRHelper.LoadAssemblies();
            Debug.Log("加载程序集结束!");
#endif
        }
        
        await _simpleLoader.WarmUpShader();

        await EnterGame();
    }

    private async UniTask EnterGame()
    {
        Debug.Log("开始加载游戏场景");
        SimulationProgress(versionUpdateUI.GetCurProgress());
        try
        {
            Scene scene = await _simpleLoader.LoadSceneAsync(START_SCENE_NAME, LoadSceneMode.Additive);
            foreach (GameObject go in scene.GetRootGameObjects())
            {
                if ("EventSystem".Equals(go.name))
                {
                    Destroy(go);
                    break;
                }
            }
        }
        catch (Exception e)
        {
            Debug.LogError(e);
        }
        finally
        {
            await LoadOver();
            Debug.Log("加载游戏场景结束");
        }
    }

    private async void SimulationProgress(float startProgress)
    {
        versionUpdateUI.UpdateProgressText(LocalizeMono.Instance.GetLocalizeText("InitGaming")); // 初始化游戏...
        realProgess = startProgress;

        float step = (1f - startProgress) * 0.02f;
        while (startProgress + step <= 0.99f)
        {
            await UniTask.Delay(20);
            startProgress += step;
            realProgess = startProgress;
        }
    }

    private async UniTask LoadOver()
    {
        while (true)
        {
            await UniTask.Yield();
            // Debug.Log($"校验是否加载完:{IVersionUpdateUI.IsLoadOver}");
            if (StartSceneLoadingManager.IsLoadOver)
            {
                realProgess = 1f;
                versionUpdateUI.UpdateProgressText(LocalizeMono.Instance.GetLocalizeText("Complete")); // 完成
                await UniTask.Delay(200);
                versionUpdateUI.CloseAll();
                await SceneManager.UnloadSceneAsync(0);
                return;
            }
        }
    }

    /// <summary>
    /// 设置进度
    /// </summary>
    /// <param name="progress"></param>
    private void SetRealProgress(float progress)
    {
        realProgess = progress;
    }
    
    #region iOS_DeviceHelper

#if UNITY_IOS && !UNITY_EDITOR
    [DllImport("__Internal")]
    private static extern void RequestIDFA();

    [DllImport("__Internal")]
    private static extern string GetIDFV();
#endif

    public Action<string> OnIDFAReceived;

    // 调用这个方法请求 IDFA（iOS 14+ 会弹授权）
    // 调用 FetchIDFA() → 弹授权框 → 回调给 Unity
    public void FetchIDFA(Action<string> callback = null)
    {
#if UNITY_IOS && !UNITY_EDITOR
        OnIDFAReceived = callback;
        RequestIDFA(); // 调用 Xcode 端方法
#else
        callback?.Invoke("Editor_IDFA");
#endif
    }

    // 调用这个方法直接获取 IDFV
    public string FetchIDFV()
    {
#if UNITY_IOS && !UNITY_EDITOR
        var idfv = GetIDFV();
        Debug.Log("ios 获取到 IDFV: " + idfv);
        return idfv;
#else
        return "Editor_IDFV";
#endif
    }

    // Xcode 会通过 UnitySendMessage 回调这个方法 
    public void OnIDFAResult(string idfa)
    {
        Debug.Log("ios 获取到 IDFA: " + idfa);
        DeviceIdHandle.Instance.IDFA = idfa;
        OnIDFAReceived?.Invoke(idfa);
    }

    #endregion
}