using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using AutoBuild.Helper;
using HybridCLR.Editor;
using HybridCLR.Editor.Commands;
using HybridCLR.Editor.Installer;
using HybridCLR.Editor.Link;
using HybridCLR.Editor.Meta;
using Obfuz;
using Obfuz.Settings;
using Obfuz.Unity;
using Obfuz4HybridCLR;
using PhxhSDK.AOT.VersionUpdate;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;

/// <summary>
/// 编辑器下打包
/// </summary>
class BuildLauncher
{
    private const string HybirdCLRGenerateDir = "/HybridCLRGenerate";
    private const string HybirdCLRGenerateLinkPath = "Assets/HybridCLRGenerate/link.xml";
    private const string GameLauncherSceneName = "Assets/Scenes/GameLauncher.unity";

    private static bool enableHotUpdate;

    /// <summary>
    /// 开启热更
    /// </summary>
    public static void SetEnableHotUpdate(bool isEnable)
    {
        Debug.Log($"是否开启热更新:{isEnable}");
        var gameLauncherScene = EditorSceneManager.OpenScene(GameLauncherSceneName, OpenSceneMode.Additive);
        if (!gameLauncherScene.IsValid())
        {
            Debug.LogError($"无法加载场景{GameLauncherSceneName}");
            return;
        }

        var gameLauncher = UnityEngine.Object.FindObjectOfType<GameLauncher>();
        if (gameLauncher == null)
        {
            Debug.LogError("找不到GameLauncher");
            return;
        }

        gameLauncher.enableHotUpdate = isEnable;
        EditorSceneManager.MarkSceneDirty(gameLauncherScene);
        EditorSceneManager.SaveScene(gameLauncherScene);
        EditorSceneManager.CloseScene(gameLauncherScene, false);
        HybridCLR.Editor.SettingsUtil.Enable = isEnable;
        if (!isEnable)
        {
            //删除HybirdCLR生成的link文件
            AssetDatabase.DeleteAsset(HybirdCLRGenerateLinkPath);
        }
    }

    /// <summary>
    /// 构建热更
    /// </summary>
    public static void BuildHotUpdateDlls()
    {
        var controller = new InstallerController();
        bool isObfuzEnabled = ObfuzSettings.Instance.buildPipelineSettings.enable;
        // 非混淆构建时强制重新安装 HybridCLR：
        // 混淆构建的 GeneratePolymorphicCodes() 会修改 LocalIl2CppData/hybridclr/metadata/PolymorphicDefs.h，
        // 将 kFormatVariantVersion 写为随机非零值并持久化到磁盘。
        // 若非混淆构建不重装，该文件残留，导致编译出的 APK native 库要求 polymorphic 格式 DLL，
        // 而实际装载的是标准 DLL，运行时抛出 BadImageFormatException: LoadImageErrorCode:8 (UNMATCH_FORMAT_VARIANT)。
        bool needInstall = !controller.HasInstalledHybridCLR()
            || controller.InstalledLibil2cppVersion != controller.PackageVersion
            || !isObfuzEnabled;
        if (needInstall)
        {
            Debug.Log($"[BuildHotUpdateDlls] Reinstalling HybridCLR: installed='{controller.InstalledLibil2cppVersion}' package='{controller.PackageVersion}' isObfuzEnabled={isObfuzEnabled}");
            controller.InstallDefaultHybridCLR();
        }

        BuildUtils.SetFileReadable(Application.dataPath + HybirdCLRGenerateDir);

        // 清空 HybridCLRData/HotUpdateDlls/ 源目录，防止残留上次构建（混淆/非混淆）的 DLL 污染本次产物
        var hotUpdateDllSourceDir = SettingsUtil.GetHotUpdateDllsOutputDirByTarget(EditorUserBuildSettings.activeBuildTarget);
        if (Directory.Exists(hotUpdateDllSourceDir))
        {
            Directory.Delete(hotUpdateDllSourceDir, true);
            Debug.Log($"[BuildHotUpdateDlls] Cleared hotupdate dll source dir: {hotUpdateDllSourceDir}");
        }

        if (ObfuzSettings.Instance.buildPipelineSettings.enable)
        {
            ObfuzMenu.GenerateEncryptionVM();
            ObfuzMenu.SaveSecretFile();
        
            var kedrType = Type.GetType("KedrExtensionMenu, Assembly-CSharp-Editor");
            if (kedrType != null)
            {
                var method = kedrType.GetMethod("GenerateAll",
                    BindingFlags.Public | BindingFlags.Static);
                method?.Invoke(null, null);
            }
            else
            {
                Debug.LogWarning("[Obfuz] KedrExtensionMenu not found, falling back to PrebuildCommandExt");
                PrebuildCommandExt.GenerateAll();
            }

            HotUpadeEditorHelper.CopyObfuscatedDllToTarget();
        }
        else
        {
            PrebuildCommand.GenerateAll();
            HotUpadeEditorHelper.CopyHotUpdateDll();
        }
        
        HotUpadeEditorHelper.CopyMetaDataDll();

        if (ObfuzSettings.Instance.polymorphicDllSettings.enable)
        {
            HotUpadeEditorHelper.ConvertOriginalDllToPolymorphicDll();
        }
    }

    /// <summary>
    /// 打包面板初始化
    /// </summary>
    public static void Init(BuildTarget buildTarget,
        string workSpace,
        string appVersion,
        string profileName,
        bool developmentBuild,
        bool hotUpdate)
    {
        EditorUserBuildSettings.development = developmentBuild;
        YooAssetBuildBase.BuildTargetPlatform = buildTarget;
        YooAssetBuildBase.profileName = profileName;
        YooAssetBuildBase.JudgmentPlatform(buildTarget.ToString());
        YooAssetBuildBase.workSpace = string.IsNullOrEmpty(workSpace) ? "WorkSpace" : workSpace;
        PlayerSettings.bundleVersion = appVersion;
        YooAssetBuildBase.appVersion = appVersion;
        enableHotUpdate = hotUpdate;

        if (profileName.Equals("AllLocal"))
        {
            List<string> appendDefineList = new() { "AllLocal" };
            var currentTargetGroup = BuildPipeline.GetBuildTargetGroup(EditorUserBuildSettings.activeBuildTarget);
            var oldDefines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentTargetGroup);
            BatchBuild._oldDefines = oldDefines;

            var newDefineList = new List<string>();
            newDefineList.AddRange(oldDefines.Split(';'));
            for (var i = 0; i < newDefineList.Count; i++)
            {
                var define = newDefineList[i];
                if (string.IsNullOrEmpty(define))
                    continue;

                if (appendDefineList.Contains(define))
                    appendDefineList.Remove(define);
            }

            newDefineList.AddRange(appendDefineList);
            PlayerSettings.SetScriptingDefineSymbolsForGroup(currentTargetGroup, string.Join(";", newDefineList));
        }
    }

    /// <summary>
    /// 编辑器下构建资源
    /// </summary>
    public static void BuildResource()
    {
        UpdateLocalInfo info = new()
        {
            workSpace = YooAssetBuildBase.workSpace,
            accessKeyId = YooAssetBuildBase.appConfigAccessKeyId,
            accessKeySecret = YooAssetBuildBase.appConfigAccessKeySecret,
            bucketName = YooAssetBuildBase.appConfigBucketName,
            configOriginalUrl = YooAssetBuildBase.appConfigURL,
            //httpUrl = YooAssetBuildBase.httpURL,
            httpAccessKey = YooAssetBuildBase.httpAccessKey,
            httpKey = YooAssetBuildBase.httpKey,
            version = YooAssetBuildBase.appVersion,
            isDev = YooAssetBuildBase.isDev,
            isOversea = YooAssetBuildBase.isOversea,
            buildTicks = DateTime.Now.Ticks,
            buildCode = BatchBuild.GetBundleVersionCode(),
        };
        PackDataInst.CreateResourceJson(info);

        BuildTargetGroup currentTargetGroup = BuildPipeline.GetBuildTargetGroup(EditorUserBuildSettings.activeBuildTarget);
        string defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentTargetGroup);

#if DEVELOPMENT_BUILD || DEBUG
        ExtBuildInfoHelper.CreateFirstExtBuildInfo(info.buildTicks, info.workSpace, info.version, info.buildCode, true, defines);
#else
        ExtBuildInfoHelper.CreateFirstExtBuildInfo(info.buildTicks, info.workSpace, info.version, false, defines);
#endif

        SetEnableHotUpdate(enableHotUpdate);
        if (enableHotUpdate)
        {
            BuildHotUpdateDlls();
        }

        YooAssetBuildBase.BuildResourceInEditor();
    }

    /// <summary>
    /// 编辑器下构建资源和Player
    /// </summary>
    public static void BuildResourceAndPlayer()
    {
        UpdateLocalInfo info = new()
        {
            workSpace = YooAssetBuildBase.workSpace,
            accessKeyId = YooAssetBuildBase.appConfigAccessKeyId,
            accessKeySecret = YooAssetBuildBase.appConfigAccessKeySecret,
            bucketName = YooAssetBuildBase.appConfigBucketName,
            configOriginalUrl = YooAssetBuildBase.appConfigURL,
            //httpUrl = YooAssetBuildBase.httpURL,
            httpAccessKey = YooAssetBuildBase.httpAccessKey,
            httpKey = YooAssetBuildBase.httpKey,
            version = YooAssetBuildBase.appVersion,
            isDev = YooAssetBuildBase.isDev,
            isOversea = YooAssetBuildBase.isOversea,
            buildTicks = DateTime.Now.Ticks,
            buildCode = BatchBuild.GetBundleVersionCode(),
        };
        PackDataInst.CreateResourceJson(info);

        BuildTargetGroup currentTargetGroup = BuildPipeline.GetBuildTargetGroup(EditorUserBuildSettings.activeBuildTarget);
        string defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentTargetGroup);

#if DEVELOPMENT_BUILD || DEBUG
        ExtBuildInfoHelper.CreateFirstExtBuildInfo(info.buildTicks, info.workSpace, info.version, info.buildCode, true, defines);
#else
        ExtBuildInfoHelper.CreateFirstExtBuildInfo(info.buildTicks, info.workSpace, info.version, false, defines);
#endif

        SetEnableHotUpdate(enableHotUpdate);
        if (enableHotUpdate)
        {
            BuildHotUpdateDlls();
        }

        YooAssetBuildBase.BuildContentAndPlayerInEditor();

        ExtBuildInfoHelper.CreateVertifyBuildInfo(info.workSpace, info.version);


        if (!string.IsNullOrEmpty(BatchBuild._oldDefines))
            BatchBuild._RevertScriptDefines();

        var aotDllStorePath = BatchBuild.GetAotDllStorePath(info.workSpace, info.version);
        var aotDllPath = SettingsUtil.GetAssembliesPostIl2CppStripDir(EditorUserBuildSettings.activeBuildTarget);
        DirectoryInfo dir = new(aotDllPath);
        if (Directory.Exists(aotDllStorePath))
            Directory.Delete(aotDllStorePath, true);

        Directory.CreateDirectory(aotDllStorePath);

        FileInfo[] files = dir.GetFiles();
        foreach (FileInfo file in files)
        {
            file.CopyTo(Path.Combine(aotDllStorePath, file.Name), false);
        }
    }

    /// <summary>
    /// 只构建Player
    /// </summary>
    public static void BuildPlayer()
    {
        YooAssetBuildBase.BuildPlayerInEditor();
    }

    /// <summary>
    /// 编辑器下热更
    /// </summary>
    public static void UpdatePreviousBuild(string workSpace, string version, BuildTarget buildTarget)
    {
        ExtBuildInfoHelper.VertifyExitBuildInfo(YooAssetBuildBase.workSpace, YooAssetBuildBase.appVersion);

        Debug.Log("开始检查AOT版本");
        if (BatchBuild.CheckAotOutDate(YooAssetBuildBase.workSpace, YooAssetBuildBase.appVersion))
        {
            Debug.Log("AOT版本检查通过");
            BuildHotUpdateDlls();
        }
        else
        {
            Debug.LogError("AOT版本不匹配，请重新打AOT包");
        }

        BuildTargetGroup currentTargetGroup = BuildPipeline.GetBuildTargetGroup(EditorUserBuildSettings.activeBuildTarget);
        string defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentTargetGroup);

        // 写入打包信息到Yoo_Build_Cache
#if DEVELOPMENT_BUILD || DEBUG
        ExtBuildInfoHelper.UpdateExtBuildInfo(YooAssetBuildBase.workSpace, YooAssetBuildBase.appVersion, true, defines);
#else
        ExtBuildInfoHelper.UpdateExtBuildInfo(YooAssetBuildBase.workSpace, YooAssetBuildBase.appVersion, false, defines);
#endif

        YooAssetBuildBase.BuildOnlyResUpdate();
        ExtBuildInfoHelper.CreateVertifyBuildInfo(YooAssetBuildBase.workSpace, YooAssetBuildBase.appVersion);

        YooAssetBuildBase.UploadToServerYooAsset(workSpace, version, buildTarget);
        /*try
        {

        }
        catch (Exception e)
        {
            DebugUtil.LogError($"[Build Exception]:{e.Message} \r\n {e.StackTrace}");
            throw;
        }*/
    }

    public static void UploadToServer(string workSpace, string version, BuildTarget buildTarget)
    {
        YooAssetBuildBase.UploadToServerYooAsset(workSpace, version, buildTarget);
    }

    public static void GenerateObfuzLinkXml()
    {
        //CompileDllCommand.CompileDllActiveBuildTarget();
        PrebuildCommandExt.CompileAndObfuscateDll();
        BuildTarget target = EditorUserBuildSettings.activeBuildTarget;
        ObfuzSettings obfuzSettings = ObfuzSettings.Instance;

        List<string> assemblySearchDirs = new()
        {
            SettingsUtil.GetHotUpdateDllsOutputDirByTarget(target),
        };
        ObfuscatorBuilder builder = ObfuscatorBuilder.FromObfuzSettings(obfuzSettings, target, true);
        builder.InsertTopPriorityAssemblySearchPaths(assemblySearchDirs);

        Obfuscator obfuz = builder.Build();
        obfuz.Run();


        List<string> hotfixAssemblies = SettingsUtil.HotUpdateAssemblyNamesExcludePreserved;

        var analyzer = new Analyzer(new PathAssemblyResolver(builder.CoreSettingsFacade.obfuscatedAssemblyOutputPath));
        var refTypes = analyzer.CollectRefs(hotfixAssemblies);

        // HyridCLR中 LinkXmlWritter不是public的，在其他程序集无法访问，只能通过反射操作
        var linkXmlWriter = typeof(SettingsUtil).Assembly.GetType("HybridCLR.Editor.Link.LinkXmlWriter");
        var writeMethod = linkXmlWriter.GetMethod("Write", BindingFlags.Public | BindingFlags.Instance);
        var instance = Activator.CreateInstance(linkXmlWriter);
        string linkXmlOutputPath = $"{Application.dataPath}/Obfuz/link.xml";
        writeMethod.Invoke(instance, new object[] { linkXmlOutputPath, refTypes });
        Debug.Log($"[GenerateLinkXmlForObfuscatedAssembly] output:{linkXmlOutputPath}");
        AssetDatabase.Refresh();
    }
}