#if UNITY_WEBGL
using UnityEditor;
using UnityEditor.PackageManager;
using UnityEditor.PackageManager.Requests;
using UnityEngine;
using System.IO;

namespace LeviathanVideo.Editor
{
    public static class WeChatMiniGameMenu
    {
        private const string SourcePath = "Assets/WX-WASM-SDK-V2-v0.1.32~";
        private const string TargetPath = "Assets/WX-WASM-SDK-V2";
        private const string LeviathanWasmPath = "Assets/WX-WASM-SDK-V2/Editor/template/minigame/leviathan.wasm.br";
        private const string WeChatSDKGitUrl = "https://github.com/wechat-miniprogram/minigame-tuanjie-transform-sdk.git";
        
        private static AddRequest _addRequest;
        
        // 验证函数：只在 WX-WASM-SDK-V2 文件夹不存在时启用
        [MenuItem("微信小游戏/[LeviathanVideo] 安装微信SDK", true)]
        public static bool ValidateInstallWeChatSDK()
        {
            return !Directory.Exists(TargetPath);
        }
        
        [MenuItem("微信小游戏/[LeviathanVideo] 安装微信SDK", false)]
        public static void InstallWeChatSDK()
        {
            Debug.Log($"[LeviathanVideo] 开始安装微信SDK: {WeChatSDKGitUrl}");
            _addRequest = Client.Add(WeChatSDKGitUrl);
            EditorApplication.update += OnInstallProgress;
        }
        
        private static void OnInstallProgress()
        {
            if (_addRequest == null || !_addRequest.IsCompleted)
                return;
                
            EditorApplication.update -= OnInstallProgress;
            
            if (_addRequest.Status == StatusCode.Success)
            {
                Debug.Log($"[LeviathanVideo] 微信SDK安装成功: {_addRequest.Result.packageId}");
                EditorUtility.DisplayDialog("安装成功", 
                    $"微信小游戏SDK安装成功!\n\n包ID: {_addRequest.Result.packageId}\n\n请执行下一步操作:\n微信小游戏 -> [LeviathanVideo] ****首次安装微信SDK后需要执行此操作****", 
                    "确定");
            }
            else if (_addRequest.Status >= StatusCode.Failure)
            {
                Debug.LogError($"[LeviathanVideo] 微信SDK安装失败: {_addRequest.Error.message}");
                EditorUtility.DisplayDialog("安装失败", $"微信小游戏SDK安装失败!\n\n错误: {_addRequest.Error.message}", "确定");
            }
            
            _addRequest = null;
        }
        
        // 验证函数：只在 leviathan.wasm.br 文件不存在时启用
        [MenuItem("微信小游戏/[LeviathanVideo] ****首次安装微信SDK后需要执行此操作**** ", true)]
        public static bool ValidateCopyFiles()
        {
            // 需要 SDK 已安装 且 leviathan.wasm.br 文件不存在
            return Directory.Exists(TargetPath) && !File.Exists(LeviathanWasmPath);
        }
        
        [MenuItem("微信小游戏/[LeviathanVideo] ****首次安装微信SDK后需要执行此操作**** ", false)]
        public static void CopyFiles()
        {
            string sourcePath = Path.GetFullPath(SourcePath);
            string targetPath = Path.GetFullPath(TargetPath);
            
            if (!Directory.Exists(sourcePath))
            {
                EditorUtility.DisplayDialog("错误", $"源路径不存在: {sourcePath}", "确定");
                return;
            }
            
            if (!Directory.Exists(targetPath))
            {
                EditorUtility.DisplayDialog("错误", $"目标路径不存在: {targetPath}", "确定");
                return;
            }
            
            try
            {
                CopyDirectory(sourcePath, targetPath);
                AssetDatabase.Refresh();
                EditorUtility.DisplayDialog("完成", $"已将文件从\n{SourcePath}\n复制到\n{TargetPath}", "确定");
                Debug.Log($"[Leviathan] 文件复制完成: {SourcePath} -> {TargetPath}");
            }
            catch (System.Exception e)
            {
                EditorUtility.DisplayDialog("错误", $"复制文件时出错: {e.Message}", "确定");
                Debug.LogError($"[Leviathan] 复制文件失败: {e}");
            }
        }
        
        private static void CopyDirectory(string sourceDir, string targetDir)
        {
            // 复制所有文件
            foreach (string file in Directory.GetFiles(sourceDir))
            {
                string fileName = Path.GetFileName(file);
                string destFile = Path.Combine(targetDir, fileName);
                File.Copy(file, destFile, true);
                Debug.Log($"[Leviathan] 复制文件: {fileName}");
            }
            
            // 递归复制所有子目录
            foreach (string dir in Directory.GetDirectories(sourceDir))
            {
                string dirName = Path.GetFileName(dir);
                string destDir = Path.Combine(targetDir, dirName);
                
                if (!Directory.Exists(destDir))
                {
                    Directory.CreateDirectory(destDir);
                }
                
                CopyDirectory(dir, destDir);
            }
        }
    }
}

#endif