using HybridCLR;
using System.Collections;
using System.IO;
using System.Reflection;
using UnityEngine;
using UnityEngine.Networking;
using LhorionIOSSDK;

public class HotUpdateLauncher : MonoBehaviour
{
    private Assembly _hotUpdateAss;
    // 线上CDN地址，本地测试注释掉改用StreamingAssets
    private const string RemoteDllUrl = "https://xxx-cdn/HotUpdate.dll.bytes";
    private string LocalDllCachePath => Path.Combine(Application.persistentDataPath, "HotUpdate.dll.bytes");

//     IEnumerator Start()
//     {
//         // 步骤1：加载AOT元数据（HybridCLR强制）
//         yield return LoadAOTMetadata();
//
//         // 步骤2：下载/读取热更DLL
// #if !UNITY_EDITOR
//         // 真机：线上下载DLL，无缓存/版本更新则重新下载
//         if (!File.Exists(LocalDllCachePath))
//         {
//             yield return DownloadHotDll();
//         }
//         byte[] dllBytes = File.ReadAllBytes(LocalDllCachePath);
//         _hotUpdateAss = Assembly.Load(dllBytes);
// #else
//         // Editor编辑器：无需下载，直接获取程序集
//         _hotUpdateAss = AppDomain.CurrentDomain.GetAssemblies()
//             .First(a => a.GetName().Name == "HotUpdate");
// #endif
//
//         // 步骤3：反射调用热更层游戏入口（示例：HotUpdate里Hello类 Run静态方法）
//         Type hotEntryType = _hotUpdateAss.GetType("Hello");
//         hotEntryType.GetMethod("Run").Invoke(null, null);
//
//         // ====================== 文档要求：热更加载完成后初始化SDK ======================
//         InitLhorionSDK();
//     }

    private void Start()
    {
        InitLhorionSDK();
    }

    #region HybridCLR 元数据 + DLL下载
    // 加载AOT元数据
    IEnumerator LoadAOTMetadata()
    {
        string[] metaFiles = { "mscorlib.dll.bytes", "System.dll.bytes", "System.Core.dll.bytes" };
        HomologousImageMode mode = HomologousImageMode.SuperSet;
        foreach (var file in metaFiles)
        {
            string path = Path.Combine(Application.streamingAssetsPath, file);
            using (var req = UnityWebRequest.Get(path))
            {
                yield return req.SendWebRequest();
                var err = RuntimeApi.LoadMetadataForAOTAssembly(req.downloadHandler.data, mode);
                Debug.Log($"加载元数据 {file} 结果：{err}");
            }
        }
    }

    // 从CDN下载热更DLL到本地持久化目录
    IEnumerator DownloadHotDll()
    {
        using (var req = UnityWebRequest.Get(RemoteDllUrl))
        {
            req.downloadHandler = new DownloadHandlerFile(LocalDllCachePath);
            yield return req.SendWebRequest();
            if (req.result != UnityWebRequest.Result.Success)
            {
                Debug.LogError("热更DLL下载失败：" + req.error);
                yield break;
            }
            Debug.Log("DLL下载缓存完成");
        }
    }
    #endregion

    #region LhorionSDK 初始化逻辑（文档标准写法）
    static void InitLhorionSDK()
    {
        // 1. 创建空物体挂载SDK启动脚本
        GameObject sdkObj = new GameObject("LhorionSDKBoot");
        LhorionBootstrap boot = sdkObj.AddComponent<LhorionBootstrap>();

        // 2. 可选：设置归因渠道，用于数据分析
        boot.SetAttrInfo("unityad");

        // 3. 必接接口：设置是否屏蔽增收逻辑（苹果审核用）
        // 线上从服务器/CDN拉取状态，审核期间填true屏蔽
        bool isForbiden = false;
        LhorionIOSSDK.LhorionBootstrap.SetForbidenIncome (isForbiden);
    }
    #endregion

    #region 网页弹窗接口（可选，仅iOS真机生效，编辑器无法测试）
    /// <summary>
    /// 显示网页入口弹窗，传入弹窗RectTransform
    /// </summary>
    public void ShowSdkWeb(RectTransform webRect)
    {
        LhorionBootstrap.ShowWeb(webRect);
    }

    /// <summary>
    /// 关闭网页弹窗
    /// </summary>
    public void CloseSdkWeb()
    {
        LhorionBootstrap.DestroyWeb();
    }
    #endregion
}