serein-flow/NodeFlow/Env/LocalFlowEnvironment.cs

using Serein.Library;
using Serein.Library.Api;
using Serein.Library.FlowNode;
using Serein.Library.Utils;
using Serein.Library.Utils.SereinExpression;
using Serein.NodeFlow.Model;
using Serein.NodeFlow.Model.Operation;
using Serein.NodeFlow.Services;
using Serein.NodeFlow.Tool;
using Serein.Script.Node;
using System;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Net.Http.Headers;
using System.Net.Mime;
using System.Reactive;
using System.Reflection;
using System.Security.AccessControl;
using System.Text;

namespace Serein.NodeFlow.Env
{

    /// <summary>
    /// 运行环境
    /// </summary>
    internal partial class LocalFlowEnvironment : IFlowEnvironment
    {
        /// <summary>
        /// 节点的命名空间
        /// </summary>
        public const string SpaceName = $"{nameof(Serein)}.{nameof(NodeFlow)}.{nameof(Model)}";
        /*public const string ThemeKey = "theme";
        public const string DataKey = "data";
        public const string MsgIdKey = "msgid";
        */
        /// <summary>
        /// 流程运行环境
        /// </summary>
        public LocalFlowEnvironment(IFlowEnvironment flowEnvironment,
                                    IFlowEnvironmentEvent flowEnvironmentEvent,
                                    FlowLibraryService flowLibraryManagement,
                                    FlowOperationService flowOperationService,
                                    FlowModelService flowModelService,
                                    ISereinIOC sereinIOC,
                                    NodeMVVMService nodeMVVMService)
        {
            this.Event = flowEnvironmentEvent;
            this.NodeMVVMManagement = nodeMVVMService;
            this.flowOperationService = flowOperationService;
            this.flowModelService = flowModelService;
            this.IsGlobalInterrupt = false;
            this.FlowLibraryService = flowLibraryManagement;
            this.flowEnvIOC = sereinIOC;
            this.IOC = sereinIOC;
            InitNodeMVVM();
        }

        /// <summary>
        /// 注册基本节点类型
        /// </summary>
        private void InitNodeMVVM()
        {
            NodeMVVMManagement.RegisterModel(NodeControlType.UI, typeof(SingleUINode)); // 动作节点
            NodeMVVMManagement.RegisterModel(NodeControlType.Action, typeof(SingleActionNode)); // 动作节点
            NodeMVVMManagement.RegisterModel(NodeControlType.Flipflop, typeof(SingleFlipflopNode)); // 触发器节点
            NodeMVVMManagement.RegisterModel(NodeControlType.ExpOp, typeof(SingleExpOpNode)); // 表达式节点
            NodeMVVMManagement.RegisterModel(NodeControlType.ExpCondition, typeof(SingleConditionNode)); // 条件表达式节点
            NodeMVVMManagement.RegisterModel(NodeControlType.GlobalData, typeof(SingleGlobalDataNode));  // 全局数据节点
            NodeMVVMManagement.RegisterModel(NodeControlType.Script, typeof(SingleScriptNode)); // 脚本节点
            NodeMVVMManagement.RegisterModel(NodeControlType.NetScript, typeof(SingleNetScriptNode)); // 脚本节点
            NodeMVVMManagement.RegisterModel(NodeControlType.FlowCall, typeof(SingleFlowCallNode)); // 流程调用节点
        }




        #region 远程管理

        //private MsgControllerOfServer clientMsgManage;

        /// <summary>
        /// <para>表示是否正在控制远程</para>
        /// <para>Local control remote env</para>
        /// </summary>
        public bool IsControlRemoteEnv { get; set; }

        /// <summary>
        /// 打开远程管理
        /// </summary>
        /// <param name="port"></param>
        public async Task StartRemoteServerAsync(int port = 7525)
        {
            /*if (clientMsgManage is null)
            {
                clientMsgManage = new MsgControllerOfServer(this);
                //clientMsgManage = new MsgControllerOfServer(this,"123456");
            }
            _ = clientMsgManage.StartRemoteServerAsync(port);*/
        }

        /// <summary>
        /// 结束远程管理
        /// </summary>
        public void StopRemoteServer()
        {
            /*try
            {
                clientMsgManage.StopRemoteServer();
            }
            catch (Exception ex)
            {
                SereinEnv.WriteLine(InfoType.ERROR, "结束远程管理异常：" + ex);
            }*/
        }

        #endregion

        #region 环境运行事件
        /*/// <summary>
        /// 加载Dll
        /// </summary>
        public event LoadDllHandler? DllLoad;

        /// <summary>
        /// 移除DLL
        /// </summary>
        public event RemoteDllHandler? OnDllRemote;

        /// <summary>
        /// 项目加载完成
        /// </summary>
        public event ProjectLoadedHandler? ProjectLoaded;

        /// <summary>
        /// 项目准备保存
        /// </summary>
        public event ProjectSavingHandler? ProjectSaving;

        /// <summary>
        /// 节点连接属性改变事件
        /// </summary>
        public event NodeConnectChangeHandler? NodeConnectChanged;

        /// <summary>
        /// 节点创建事件
        /// </summary>
        public event NodeCreateHandler? NodeCreated;

        /// <summary>
        /// 移除节点事件
        /// </summary>
        public event NodeRemoveHandler? NodeRemoved;

        /// <summary>
        /// 节点放置事件
        /// </summary>
        public event NodePlaceHandler NodePlace;

        /// <summary>
        /// 节点取出事件
        /// </summary>
        public event NodeTakeOutHandler NodeTakeOut;

        /// <summary>
        /// 起始节点变化事件
        /// </summary>
        public event StartNodeChangeHandler? StartNodeChanged;

        /// <summary>
        /// 流程运行完成事件
        /// </summary>
        public event FlowRunCompleteHandler? FlowRunComplete;

        /// <summary>
        /// 被监视的对象改变事件
        /// </summary>
        public event MonitorObjectChangeHandler? MonitorObjectChanged;

        /// <summary>
        /// 节点中断状态改变事件
        /// </summary>
        public event NodeInterruptStateChangeHandler? NodeInterruptStateChanged;

        /// <summary>
        /// 节点触发了中断
        /// </summary>
        public event ExpInterruptTriggerHandler? InterruptTriggered;

        /// <summary>
        /// 容器改变
        /// </summary>
        public event IOCMembersChangedHandler? IOCMembersChanged;

        /// <summary>
        /// 节点需要定位
        /// </summary>
        public event NodeLocatedHandler? NodeLocated;

        /// <summary>
        /// 运行环境输出
        /// </summary>
        public event EnvOutHandler? EnvOutput;

        /// <summary>
        /// 本地环境添加了画布
        /// </summary>
        public event CanvasCreateHandler CanvasCreated;

        /// <summary>
        /// 本地环境移除了画布
        /// </summary>
        public event CanvasRemoveHandler CanvasRemoved;
*/
        #endregion

        #region 属性

        /// <summary>
        /// 当前环境
        /// </summary>
        public IFlowEnvironment CurrentEnv { get => this; }

        /// <summary>
        /// 流程事件
        /// </summary>
        public IFlowEnvironmentEvent Event { get; set; }

        /// <summary>
        /// UI线程操作类
        /// </summary>
        public UIContextOperation UIContextOperation { get; private set; }

        /// <summary>
        /// 节点MVVM管理服务
        /// </summary>
        public NodeMVVMService NodeMVVMManagement { get; private set; }

        /// <summary>
        /// 信息输出等级
        /// </summary>
        public InfoClass InfoClass { get; set; } = InfoClass.Trivial;

        /// <summary>
        /// 如果没有全局触发器，且没有循环分支，流程执行完成后自动为 Completion 。
        /// </summary>
        public RunState FlowState { get; set; } = RunState.NoStart;
        /// <summary>
        /// 如果全局触发器还在运行，则为 Running 。
        /// </summary>
        public RunState FlipFlopState { get; set; } = RunState.NoStart;

        /// <summary>
        /// 环境名称
        /// </summary>
        public string EnvName { get; set; } = SpaceName;


        /// <summary>
        /// 本地加载的项目文件路径
        /// </summary>
        public string ProjectFileLocation { get; set; } = string.Empty;

        /// <summary>
        /// 是否全局中断
        /// </summary>
        public bool IsGlobalInterrupt { get; set; }

        /// <summary>
        /// <para>单例模式IOC容器，内部维护了一个实例字典，默认使用类型的FullName作为Key，如果以“接口-实现类”的方式注册，那么将使用接口类型的FullName作为Key。</para>
        /// <para>当某个类型注册绑定成功后，将不会因为其它地方尝试注册相同类型的行为导致类型被重新创建。</para>
        /// </summary>
        public ISereinIOC IOC
        {
            get
            {
                if (flowRunIOC is null)
                {
                    flowRunIOC = new SereinIOC();
                }
                return flowRunIOC;
            }
            set
            {
                flowRunIOC = value;
            }
        }

        #endregion

        #region 私有变量

        /// <summary>
        /// 装饰器运行环境类
        /// </summary>
        private readonly IFlowEnvironment mainFlowEnvironment;

        /// <summary>
        /// 流程运行时的IOC容器
        /// </summary>
        private ISereinIOC flowRunIOC;

        /// <summary>
        /// local环境的IOC容器，主要用于注册本地环境的服务
        /// </summary>
        private ISereinIOC flowEnvIOC;

        /// <summary>
        /// 通过程序集名称管理动态加载的程序集，用于节点创建提供方法描述，流程运行时提供Emit委托
        /// </summary>
        private readonly FlowLibraryService FlowLibraryService;

        /// <summary>
        /// 流程节点操作服务
        /// </summary>
        private readonly FlowOperationService flowOperationService;

        /// <summary>
        /// 流程画布、节点实体管理服务
        /// </summary>
        private readonly FlowModelService flowModelService;

        /* /// <summary>
         /// 环境加载的节点集合
         /// Node Guid - Node Model
         /// </summary>
         private Dictionary<string, IFlowNode> NodeModels { get; } = [];

         /// <summary>
         /// 运行环境加载的画布集合
         /// </summary>
         private Dictionary<string, FlowCanvasDetails> FlowCanvass { get; } = [];

         /// <summary>
         /// 存放触发器节点（运行时全部调用）
         /// </summary>
         private List<SingleFlipflopNode> FlipflopNodes { get; } = [];
 */


        /// <summary>
        /// 流程任务管理
        /// </summary>
        private FlowWorkManagement? flowTaskManagement;

        #endregion

        #region 环境对外接口

        /// <summary>
        /// 输出信息
        /// </summary>
        /// <param name="message">日志内容</param>
        /// <param name="type">日志类别</param>
        /// <param name="class">日志级别</param>
        public void WriteLine(InfoType type, string message, InfoClass @class = InfoClass.Trivial)
        {
            if (@class >= this.InfoClass)
            {
                Event.OnEnvOutput(type, message);
            }
            //Console.WriteLine($"{DateTime.UtcNow} [{type}] : {message}{Environment.NewLine}");

        }


        /// <summary>
        /// 异步运行
        /// </summary>
        /// <returns></returns>
        public async Task<bool> StartFlowAsync(string[] canvasGuids)
        {
            #region 校验参数
            HashSet<string> guids = new HashSet<string>();
            bool isBreak = false;
            foreach (var canvasGuid in canvasGuids)
            {
                if (guids.Contains(canvasGuid))
                {
                    SereinEnv.WriteLine(InfoType.WARN, $"画布重复，停止运行。{canvasGuid}");
                    isBreak = true;
                }
                else if (!flowModelService.ContainsCanvasModel(canvasGuid))
                {
                    SereinEnv.WriteLine(InfoType.WARN, $"画布不存在，停止运行。{canvasGuid}");
                    isBreak = true;
                }
                else if(!flowModelService.IsExsitNodeOnCanvas(canvasGuid))
                {
                    SereinEnv.WriteLine(InfoType.WARN, $"画布没有节点，停止运行。{canvasGuid}");
                    isBreak = true;
                }
                else
                {
                    guids.Add(canvasGuid);
                }
            }
            if (isBreak)
            {
                guids.Clear();
                return false;
            }
            #endregion


            #region 初始化每个画布的数据，转换为流程任务
            Dictionary<string, FlowTask> flowTasks = [];
            foreach (var guid in guids)
            {
                if (!TryGetCanvasModel(guid, out var canvasModel))
                {
                    SereinEnv.WriteLine(InfoType.WARN, $"画布不存在，停止运行。{guid}");
                    return false;
                }
                var ft = new FlowTask();
                ft.GetNodes = () => flowModelService.GetAllNodeModel(guid);
                if (canvasModel.StartNode?.Guid is null)
                {
                    SereinEnv.WriteLine(InfoType.WARN, $"画布不存在起始节点，将停止运行。{guid}");
                    return false;
                }
                ft.GetStartNode = () => canvasModel.StartNode;
                flowTasks.Add(guid, ft);
            }
            #endregion

            IOC.Reset();
            IOC.Register<IFlowEnvironment>(()=> mainFlowEnvironment); 
            IOC.Register<IScriptFlowApi, ScriptFlowApi>(); // 注册脚本接口

            var flowTaskOptions = new FlowWorkOptions
            {
                Environment = this, // 流程
                Flows = flowTasks,
                FlowContextPool = new ObjectPool<IDynamicContext>(() => new DynamicContext(this)), // 上下文对象池
                AutoRegisterTypes = this.FlowLibraryService.GetaAutoRegisterType(), // 需要自动实例化的类型
                InitMds = this.FlowLibraryService.GetMdsOnFlowStart(NodeType.Init),
                LoadMds = this.FlowLibraryService.GetMdsOnFlowStart(NodeType.Loading),
                ExitMds = this.FlowLibraryService.GetMdsOnFlowStart(NodeType.Exit),
            };



            flowTaskManagement = new FlowWorkManagement(flowTaskOptions);
            var cts = new CancellationTokenSource();
            try
            {
                var t = await flowTaskManagement.RunAsync(cts.Token);
            }
            catch (Exception ex)
            {
                SereinEnv.WriteLine(ex);
            }
            finally
            {

                SereinEnv.WriteLine(InfoType.INFO, $"流程运行完毕{Environment.NewLine}"); ;
            }
            flowTaskOptions = null;
            return true;


        }


        /// <summary>
        /// 从选定节点开始运行
        /// </summary>
        /// <param name="startNodeGuid"></param>
        /// <returns></returns>
        public async Task<bool> StartFlowFromSelectNodeAsync(string startNodeGuid)
        {

            var flowTaskOptions = new FlowWorkOptions
            {
                Environment = this, // 流程
                FlowContextPool = new ObjectPool<IDynamicContext>(() => new DynamicContext(this)), // 上下文对象池
            };
            var flowTaskManagement = new FlowWorkManagement(flowTaskOptions);

            if (true || FlowState == RunState.Running || FlipFlopState == RunState.Running)
            {

                if (!TryGetNodeModel(startNodeGuid, out var nodeModel) || nodeModel is SingleFlipflopNode)
                {
                    return false;
                }
                await flowTaskManagement.StartFlowInSelectNodeAsync(nodeModel);
                return true;
            }
            else
            {
                return false;
            }
        }

        /*/// <summary>
        /// 单独运行一个节点
        /// </summary>
        /// <param name="nodeGuid"></param>
        /// <returns></returns>
        public async Task<object> InvokeNodeAsync(IDynamicContext context, string nodeGuid)
        {
            object result = Unit.Default;
            if (this.NodeModels.TryGetValue(nodeGuid, out var model))
            {
                CancellationTokenSource cts = new CancellationTokenSource();    
                result =  await model.ExecutingAsync(context, cts.Token);
                cts?.Cancel();
            }
            return result;
        }*/

        /// <summary>
        /// 结束流程
        /// </summary>
        public Task<bool> ExitFlowAsync()
        {
            flowTaskManagement?.Exit();
            UIContextOperation?.Invoke(() => Event.OnFlowRunComplete(new FlowEventArgs()));
            IOC.Reset();
            flowTaskManagement = null;
            GC.Collect();
            return Task.FromResult(true);
        }

        /// <summary>
        /// 激活全局触发器
        /// </summary>
        /// <param name="nodeGuid"></param>
        public void ActivateFlipflopNode(string nodeGuid)
        {
            /*if (!TryGetNodeModel(nodeGuid, out var nodeModel))
            {
                return;
            }
            if (nodeModel is null) return;
            if (flowTaskManagement is not null && nodeModel is SingleFlipflopNode flipflopNode) // 子节点为触发器
            {
                if (FlowState != RunState.Completion
                    && flipflopNode.NotExitPreviousNode()) // 正在运行，且该触发器没有上游节点
                {
                    _ = flowTaskManagement.RunGlobalFlipflopAsync(this, flipflopNode);// 被父节点移除连接关系的子节点若为触发器，且无上级节点，则当前流程正在运行，则加载到运行环境中

                }
            }*/
        }

        /// <summary>
        /// 关闭全局触发器
        /// </summary>
        /// <param name="nodeGuid"></param>
        public void TerminateFlipflopNode(string nodeGuid)
        {
           /* if (!TryGetNodeModel(nodeGuid, out var nodeModel))
            {
                return;
            }
            if (nodeModel is null) return;
            if (flowTaskManagement is not null && nodeModel is SingleFlipflopNode flipflopNode) // 子节点为触发器
            {
                flowTaskManagement.TerminateGlobalFlipflopRuning(flipflopNode);
            }*/
        }

        /// <summary>
        /// 获取当前环境信息（远程连接）
        /// </summary>
        /// <returns></returns>
        public async Task<FlowEnvInfo> GetEnvInfoAsync()
        {
            // 获取所有的程序集对应的方法信息（程序集相关的数据）
            var libraryMdss = this.FlowLibraryService.GetAllLibraryMds().ToArray();
            // 获取当前项目的信息（节点相关的数据）
            var project = await GetProjectInfoAsync(); // 远程连接获取远程环境项目信息
            SereinEnv.WriteLine(InfoType.INFO, "已将当前环境信息发送到远程客户端");
            return new FlowEnvInfo
            {
                Project = project, // 项目信息
                LibraryMds = libraryMdss, // 环境方法
            };
        }


        /// <summary>
        /// 保存项目
        /// </summary>
        public void SaveProject()
        {
            var project = GetProjectInfoAsync().GetAwaiter().GetResult();
            Event.OnProjectSaving(new ProjectSavingEventArgs(project));
        }

        /// <summary>
        /// 加载项目文件
        /// </summary>
        /// <param name="flowEnvInfo">环境信息</param>
        /// <param name="filePath"></param>
        public void LoadProject(FlowEnvInfo flowEnvInfo, string filePath)
        {
            this.ProjectFileLocation = filePath;
            var projectData = flowEnvInfo.Project;
            // 加载项目配置文件
            var dllPaths = projectData.Librarys.Select(it => it.FilePath).ToList();
            List<MethodDetails> methodDetailss = [];

            // 遍历依赖项中的特性注解，生成方法详情
            foreach (var dllPath in dllPaths)
            {
                string cleanedRelativePath = dllPath.TrimStart('.', '\\');
                var tmpPath = Path.Combine(filePath, cleanedRelativePath);
                var dllFilePath = Path.GetFullPath(tmpPath);
                LoadLibrary(dllFilePath);  // 加载项目文件时加载对应的程序集
            }



            _ = Task.Run(async () =>
            {
                // 加载画布
                foreach (var canvasInfo in projectData.Canvass)
                {
                    LoadCanvas(canvasInfo);
                }
                await LoadNodeInfosAsync(projectData.Nodes.ToList()); // 加载节点信息

                // 加载画布
                foreach (var canvasInfo in projectData.Canvass)
                {
                    SetStartNode(canvasInfo.Guid, canvasInfo.StartNode); // 设置起始节点
                }
                //await SetStartNodeAsync("", projectData.StartNode); // 设置起始节点
            });

        }

        /// <summary>
        /// 加载远程环境
        /// </summary>
        /// <param name="addres">远程环境地址</param>
        /// <param name="port">远程环境端口</param>
        /// <param name="token">密码</param>
        public async Task<(bool, RemoteMsgUtil)> ConnectRemoteEnv(string addres, int port, string token)
        {
            if (IsControlRemoteEnv)
            {
                await Console.Out.WriteLineAsync($"当前已经连接远程环境");
                return (false, null);
            }
            // 没有连接远程环境，可以重新连接

            var controlConfiguration = new RemoteMsgUtil.ControlConfiguration
            {
                Addres = addres,
                Port = port,
                Token = token,
                /*ThemeJsonKey = LocalFlowEnvironment.ThemeKey,
                MsgIdJsonKey = LocalFlowEnvironment.MsgIdKey,
                DataJsonKey = LocalFlowEnvironment.DataKey,*/
            };
            var remoteMsgUtil = new RemoteMsgUtil(controlConfiguration);
            var result = await remoteMsgUtil.ConnectAsync();
            if (!result)
            {
                await Console.Out.WriteLineAsync("连接失败，请检查地址与端口是否正确");
                return (false, null);
            }
            await Console.Out.WriteLineAsync("连接成功，开始验证Token");
            IsControlRemoteEnv = true;
            return (true, remoteMsgUtil);
        }

        /// <summary>
        /// 退出远程环境
        /// </summary>
        public void ExitRemoteEnv()
        {
            IsControlRemoteEnv = false;
        }

        /// <summary>
        /// 序列化当前项目的依赖信息、节点信息
        /// </summary>
        /// <returns></returns>
        public async Task<SereinProjectData> GetProjectInfoAsync()
        {
            var projectData = new SereinProjectData()
            {
                Librarys = this.FlowLibraryService.GetAllLibraryInfo().ToArray(),
                Nodes = flowModelService.GetAllNodeModel().Select(node => node.ToInfo()).Where(info => info is not null).ToArray(),
                Canvass = flowModelService.GetAllCanvasModel().Select(canvas => canvas.ToInfo()).ToArray(),
                //StartNode = NodeModels.Values.FirstOrDefault(it => it.IsStart)?.Guid,
            };

            return projectData;
        }


        /// <summary>
        /// 从文件路径中加载DLL
        /// </summary>
        /// <param name="dllPath"></param>
        /// <returns></returns> 
        public void LoadLibrary(string dllPath)
        {

            try
            {
                #region 检查是否已经加载本地依赖
                var thisAssembly = typeof(IFlowEnvironment).Assembly;
                var thisAssemblyName = thisAssembly.GetName().Name;
                if (!string.IsNullOrEmpty(thisAssemblyName) && FlowLibraryService.GetLibraryMdsOfAssmbly(thisAssemblyName).Count == 0)
                {
                    var tmp = FlowLibraryService.LoadLibraryOfPath(thisAssembly.Location);
                    UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(tmp.Item1, tmp.Item2))); // 通知UI创建dll面板显示
                }

                #endregion

                (var libraryInfo, var mdInfos) = FlowLibraryService.LoadLibraryOfPath(dllPath);
                if (mdInfos.Count > 0)
                {
                    UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(libraryInfo, mdInfos))); // 通知UI创建dll面板显示
                }
            }
            catch (Exception ex)
            {
                SereinEnv.WriteLine(InfoType.ERROR, $"无法加载DLL文件：{ex}");
            }
        }

        /// <summary>
        /// 加载本地程序集
        /// </summary>
        /// <param name="flowLibrary"></param>
        public void LoadLibrary(FlowLibrary flowLibrary)
        {
            try
            {
                (var libraryInfo, var mdInfos) = FlowLibraryService.LoadLibraryOfPath(flowLibrary);
                if (mdInfos.Count > 0)
                {
                    UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(libraryInfo, mdInfos))); // 通知UI创建dll面板显示
                }
            }
            catch (Exception ex)
            {
                SereinEnv.WriteLine(InfoType.ERROR, $"无法加载DLL文件：{ex}");
            }

        }


        /// <summary>
        /// 移除DLL
        /// </summary>
        /// <param name="assemblyName"></param>
        /// <returns></returns>
        public bool TryUnloadLibrary(string assemblyName)
        {
            // 获取与此程序集相关的节点
            var groupedNodes = flowModelService.GetAllNodeModel().Where(node => !string.IsNullOrWhiteSpace(node.MethodDetails.AssemblyName) && node.MethodDetails.AssemblyName.Equals(assemblyName)).ToArray();
            if (groupedNodes.Length == 0)
            {
                var isPass = FlowLibraryService.UnloadLibrary(assemblyName);
                return isPass;
            }
            else
            {
                StringBuilder sb = new StringBuilder();
                sb.AppendLine();
                for (int i = 0; i < groupedNodes.Length; i++)
                {
                    IFlowNode? node = groupedNodes[i];
                    sb.AppendLine($"{i} => {node.Guid}");
                }
                SereinEnv.WriteLine(InfoType.ERROR, $"无法卸载[{assemblyName}]程序集，因为这些节点依赖于此程序集：{sb.ToString()}");

                return false;
            }

            //var mds = FlowLibraryManagement.GetLibraryMdsOfAssmbly(assemblyName);
            //if(mds.Count > 0)
            //{


            //}
            //else
            //{
            //    return true;
            //}

            //var library = LibraryInfos.Values.FirstOrDefault(nl => assemblyName.Equals(nl.AssemblyName));
            //if (library is null)
            //{
            //    return false;
            //}
            //var groupedNodes = NodeModels.Values
            //    .Where(node => node.MethodDetails is not null)
            //    .ToArray()
            //    .GroupBy(node => node.MethodDetails?.MethodName)
            //    .ToDictionary(
            //    key => key.Key,
            //    group => group.Count());


            //if (NodeModels.Count == 0)
            //{
            //    return true; // 当前无节点，可以直接删除
            //}

            //if (MethodDetailsOfLibraryInfos.TryGetValue(library, out var mds)) // 存在方法
            //{
            //    foreach (var md in mds)
            //    {
            //        if (groupedNodes.TryGetValue(md.MethodName, out int count))
            //        {
            //            if (count > 0)
            //            {
            //                return false; // 创建过相关的节点，无法移除
            //            }
            //        }
            //    }
            //    // 开始移除相关信息
            //    foreach (var md in mds)
            //    {
            //        MethodDetailss.TryRemove(md.MethodName, out _);
            //    }
            //    MethodDetailsOfLibraryInfos.TryRemove(library, out _);
            //    return true;
            //}
            //else
            //{
            //    return true;
            //}
        }

        private int _addCanvasCount = 0;


        private FlowCanvasDetails LoadCanvas(FlowCanvasDetailsInfo info)
        {
            var model = new FlowCanvasDetails(this);
            model.LoadInfo(info);
            flowModelService.AddCanvasModel(model);
            UIContextOperation?.Invoke(() =>
            {
                Event.OnCanvasCreated(new CanvasCreateEventArgs(model));
            });
            return model;
        }


        /// <summary>
        /// 获取方法描述
        /// </summary>

        public bool TryGetMethodDetailsInfo(string assemblyName, string methodName, out MethodDetailsInfo? mdInfo)
        {
            var isPass = FlowLibraryService.TryGetMethodDetails(assemblyName, methodName, out var md);
            if (!isPass || md is null)
            {
                mdInfo = null;
                return false;
            }
            else
            {
                mdInfo = md?.ToInfo();
                return true;
            }
        }

        /// <summary>
        /// <para>通过方法名称获取对应的Emit委托</para>
        /// <para>方法无入参时需要传入空数组，void方法自动返回null</para>
        /// <para>普通方法：Func&lt;object,object[],object&gt;</para>
        /// <para>异步方法：Func&lt;object,object[],Task&gt;</para>
        /// <para>异步有返回值方法：Func&lt;object,object[],Task&lt;object&gt;&gt;</para>
        /// </summary>
        /// <param name="methodName"></param>
        /// <param name="delegateDetails"></param>
        /// <returns></returns>
        public bool TryGetDelegateDetails(string assemblyName, string methodName, out DelegateDetails? delegateDetails)
        {
            return FlowLibraryService.TryGetDelegateDetails(assemblyName, methodName, out delegateDetails);
        }

        /// <summary>
        /// 设置在UI线程操作的线程上下文
        /// </summary>
        /// <param name="uiContextOperation"></param>
        public void SetUIContextOperation(UIContextOperation uiContextOperation)
        {
            if (uiContextOperation is not null)
            {
                this.UIContextOperation = uiContextOperation;
                //PersistennceInstance[typeof(UIContextOperation)] = uiContextOperation; // 缓存封装好的UI线程上下文
            }


        }

        /// <inheritdoc/>
        public void UseExternalIOC(ISereinIOC ioc)
        {
            this.flowRunIOC = ioc; // 设置IOC容器
        }

        /// <summary>
        /// 启动器调用，运行到某个节点时触发了监视对象的更新（对象预览视图将会自动更新）
        /// </summary>
        /// <param name="nodeGuid"></param>
        /// <param name="monitorData"></param>
        /// <param name="sourceType"></param>
        public void MonitorObjectNotification(string nodeGuid, object monitorData, MonitorObjectEventArgs.ObjSourceType sourceType)
        {
            Event.OnMonitorObjectChanged(new MonitorObjectEventArgs(nodeGuid, monitorData, sourceType));
        }

        /// <summary>
        /// 启动器调用，节点触发了中断。
        /// </summary>
        /// <param name="nodeGuid">节点</param>
        /// <param name="expression">表达式</param>
        /// <param name="type">类型，0用户主动的中断，1表达式中断</param>
        public void TriggerInterrupt(string nodeGuid, string expression, InterruptTriggerEventArgs.InterruptTriggerType type)
        {
            Event.OnInterruptTriggered(new InterruptTriggerEventArgs(nodeGuid, expression, type));
        }


        ///// <summary>
        ///// 环境执行中断
        ///// </summary>
        ///// <returns></returns>
        //public async Task InterruptNode()
        //{
        //    IsGlobalInterrupt = true;
        //    var result = await ChannelFlowInterrupt.GetOrCreateChannelAsync(EnvName);
        //    return result;
        //}

        /// <summary>
        /// 记录节点更改数据，防止重复更改
        /// </summary>
        public HashSet<(string, string, object)> NodeValueChangeLogger = new HashSet<(string, string, object)>();

        /// <summary>
        /// 数据更改通知（来自远程）
        /// </summary>
        /// <param name="nodeGuid">发生在哪个节点</param>
        /// <param name="path">属性路径</param>
        /// <param name="value">变化后的属性值</param>
        /// <returns></returns>
        public Task NotificationNodeValueChangeAsync(string nodeGuid, string path, object value)
        {
            // "NodeModel.Path"
            if (TryGetNodeModel(nodeGuid, out var nodeModel))
            {
                SerinExpressionEvaluator.Evaluate($"@Set .{path} = {value}", nodeModel, out _); // 更改对应的数据
            }


            return Task.CompletedTask;
            //if (NodeValueChangeLogger.Remove((nodeGuid, path, value)))
            //{
            //    // 说明存在过重复的修改
            //    return;
            //}
            //NodeValueChangeLogger.Add((nodeGuid, path, value));

            //lock (NodeValueChangeLogger)
            //{

            //    Interlocked.Add(ref i, 1);
            //    Console.WriteLine(i);
            //    var getExp = $"@Get .{path}";
            //    var setExp = $"@Set .{path} = {value}"; // 生成 set 表达式
            //    var oldValue = SerinExpressionEvaluator.Evaluate(getExp, nodeModel, out _);
            //    if(oldValue != value)
            //    {
            //        Console.WriteLine($"旧值：{getExp},result : {oldValue}");
            //        SerinExpressionEvaluator.Evaluate(setExp, nodeModel, out _); // 更改对应的数据
            //        Console.WriteLine($"新值：{getExp},result : {SerinExpressionEvaluator.Evaluate(getExp, nodeModel, out _)}");
            //    }

            //}



        }


   

        /// <summary>
        /// 从Guid获取画布
        /// </summary>
        /// <param name="nodeGuid">节点Guid</param>
        /// <returns>节点Model</returns>
        /// <exception cref="ArgumentNullException">无法获取节点、Guid/节点为null时报错</exception>
        public bool TryGetCanvasModel(string nodeGuid, out FlowCanvasDetails canvasDetails)
        {
            if (string.IsNullOrEmpty(nodeGuid))
            {
                canvasDetails = null;
                return false;
            }
            return flowModelService.TryGetCanvasModel(nodeGuid, out canvasDetails);

        }

        /// <summary>
        /// 从Guid获取节点
        /// </summary>
        /// <param name="nodeGuid">节点Guid</param>
        /// <returns>节点Model</returns>
        /// <exception cref="ArgumentNullException">无法获取节点、Guid/节点为null时报错</exception>
        public bool TryGetNodeModel(string nodeGuid, out IFlowNode nodeModel)
        {
            if (string.IsNullOrEmpty(nodeGuid))
            {
                nodeModel = null;
                return false;
            }
            return flowModelService.TryGetNodeModel(nodeGuid, out nodeModel);

        }

        #endregion

        #region 流程依赖类库的接口


        /// <summary>
        /// 运行时加载
        /// </summary>
        /// <param name="file">文件名</param>
        /// <returns></returns>
        public bool LoadNativeLibraryOfRuning(string file)
        {

            return NativeDllHelper.LoadDll(file);
        }

        /// <summary>
        /// 运行时加载指定目录下的类库
        /// </summary>
        /// <param name="path">目录</param>
        /// <param name="isRecurrence">是否递归加载</param>
        public void LoadAllNativeLibraryOfRuning(string path, bool isRecurrence = true)
        {
            NativeDllHelper.LoadAllDll(path);
        }

        #endregion

        #region 私有方法

        #region 暂时注释
        /*
        /// <summary>
        /// 加载指定路径的DLL文件
        /// </summary>
        /// <param name="dllPath"></param>
        private void LoadDllNodeInfo(string dllPath)
        {

            var fileName = Path.GetFileName(dllPath);
            AssemblyLoadContext flowAlc = new AssemblyLoadContext(fileName, true);
            flowAlc.LoadFromAssemblyPath(dllPath); // 加载指定路径的程序集

            foreach(var assemblt in flowAlc.Assemblies)
            {
                (var registerTypes, var mdlist) = LoadAssembly(assemblt);
                if (mdlist.Count > 0)
                {
                    var nodeLibraryInfo = new NodeLibraryInfo
                    {
                        //Assembly = assembly,
                        AssemblyName = assemblt.FullName,
                        FileName = Path.GetFileName(dllPath),
                        FilePath = dllPath,
                    };

                    LibraryInfos.TryAdd(nodeLibraryInfo.AssemblyName, nodeLibraryInfo);
                    MethodDetailsOfLibraryInfos.TryAdd(nodeLibraryInfo, mdlist);

                    foreach (var md in mdlist)
                    {
                        MethodDetailss.TryAdd(md.MethodName, md);
                    }

                    foreach (var kv in registerTypes)
                    {
                        if (!AutoRegisterTypes.TryGetValue(kv.Key, out var types))
                        {
                            types = new List<Type>();
                            AutoRegisterTypes.Add(kv.Key, types);
                        }
                        types.AddRange(kv.Value);
                    }
                    var mdInfos = mdlist.Select(md => md.ToInfo()).ToList(); // 转换成方法信息

                    if (OperatingSystem.IsWindows())
                    {
                        UIContextOperation?.Invoke(() => OnDllLoad?.Invoke(new LoadDllEventArgs(nodeLibraryInfo, mdInfos))); // 通知UI创建dll面板显示

                    }
                }


            }


           

        }*/
        #endregion


        /// <summary>
        /// 从节点信息创建节点，并返回状态指示是否创建成功
        /// </summary>
        /// <param name="nodeInfo"></param>
        /// <returns></returns>
        private bool CreateNodeFromNodeInfo(NodeInfo nodeInfo)
        {
            if (!EnumHelper.TryConvertEnum<NodeControlType>(nodeInfo.Type, out var controlType))
            {
                return false;
            }

            #region 获取方法描述
            MethodDetails? methodDetails;
            if (controlType == NodeControlType.FlowCall)
            {
                if (string.IsNullOrEmpty(nodeInfo.MethodName))
                {
                    methodDetails = new MethodDetails();
                    methodDetails.ParamsArgIndex = 0;
                    methodDetails.ParameterDetailss = new ParameterDetails[nodeInfo.ParameterData.Length];
                    for (int i = 0; i < methodDetails.ParameterDetailss.Length; i++)
                    {
                        var pdInfo = nodeInfo.ParameterData[i];
                        var t = new ParameterDetailsInfo();
                        var pd = new ParameterDetails(pdInfo, i);
                        methodDetails.ParameterDetailss[i] = pd;
                    }
                }
                else
                {
                    // 目标节点可能是方法节点
                    FlowLibraryService.TryGetMethodDetails(nodeInfo.AssemblyName, nodeInfo.MethodName, out methodDetails); // 加载项目时尝试获取方法信息
                }
            }
            else if (controlType.IsBaseNode())
            {
                // 加载基础节点
                methodDetails = new MethodDetails();

            }
            else
            {
                if (string.IsNullOrEmpty(nodeInfo.MethodName)) return false;
                // 加载方法节点
                FlowLibraryService.TryGetMethodDetails(nodeInfo.AssemblyName, nodeInfo.MethodName, out methodDetails); // 加载项目时尝试获取方法信息
            }
            #endregion

            var nodeModel = FlowNodeExtension.CreateNode(this, controlType, methodDetails); // 加载项目时创建节点
            if (nodeModel is null)
            {
                nodeInfo.Guid = string.Empty;
                return false;
            }
            if (TryGetCanvasModel(nodeInfo.CanvasGuid, out var canvasModel))
            {

                // 节点与画布互相绑定
                // 需要在UI线程上进行添加，否则会报 “不支持从调度程序线程以外的线程对其 SourceCollection 进行的更改”异常
                nodeModel.CanvasDetails = canvasModel;
                UIContextOperation?.Invoke(() => canvasModel.Nodes.Add(nodeModel));

                nodeModel.LoadInfo(nodeInfo); // 创建节点model
                TryAddNode(nodeModel); // 加载项目时将节点加载到环境中
            }
            else
            {
                SereinEnv.WriteLine(InfoType.ERROR, $"加载节点[{nodeInfo.Guid}]时发生异常，画布[{nodeInfo.CanvasGuid}]不存在");
                return false;
            }

            UIContextOperation?.Invoke(() =>
                Event.OnNodeCreated(new NodeCreateEventArgs(nodeInfo.CanvasGuid, nodeModel, nodeInfo.Position))); // 添加到UI上
            return true;
        }



        /// <summary>
        /// 创建节点
        /// </summary>
        /// <param name="nodeBase"></param>
        private bool TryAddNode(IFlowNode nodeModel)
        {
            nodeModel.Guid ??= Guid.NewGuid().ToString();
            flowModelService.AddNodeModel(nodeModel);


            // 如果是触发器，则需要添加到专属集合中
            /*if (nodeModel is SingleFlipflopNode flipflopNode)
            {
                var guid = flipflopNode.Guid;
                if (!FlipflopNodes.Exists(it => it.Guid.Equals(guid)))
                {
                    FlipflopNodes.Add(flipflopNode);
                }
            }*/
            return true;
        }

        /// <summary>
        /// 检查连接
        /// </summary>
        /// <param name="fromNode">发起连接的起始节点</param>
        /// <param name="toNode">要连接的目标节点</param>
        /// <param name="fromNodeJunctionType">发起连接节点的控制点类型</param>
        /// <param name="toNodeJunctionType">被连接节点的控制点类型</param>
        /// <returns></returns>
        public static (JunctionOfConnectionType, bool) CheckConnect(IFlowNode fromNode,
                                                                    IFlowNode toNode,
                                                                    JunctionType fromNodeJunctionType,
                                                                    JunctionType toNodeJunctionType)
        {
            var type = JunctionOfConnectionType.None;
            var state = false;
            if (fromNodeJunctionType == JunctionType.Execute)
            {
                if (toNodeJunctionType == JunctionType.NextStep && !fromNode.Guid.Equals(toNode.Guid))
                {
                    // “方法执行”控制点拖拽到“下一节点”控制点，且不是同一个节点， 添加方法执行关系
                    type = JunctionOfConnectionType.Invoke;
                    state = true;
                }
                //else if (toNodeJunctionType == JunctionType.ArgData && fromNode.Guid.Equals(toNode.Guid)) 
                //{
                //    // “方法执行”控制点拖拽到“方法入参”控制点，且是同一个节点，则添加获取参数关系，表示生成入参参数时自动从该节点的上一节点获取flowdata
                //    type = JunctionOfConnectionType.Arg;
                //    state = true;
                //}
            }
            else if (fromNodeJunctionType == JunctionType.NextStep && !fromNode.Guid.Equals(toNode.Guid))
            {
                // “下一节点”控制点只能拖拽到“方法执行”控制点，且不能是同一个节点
                if (toNodeJunctionType == JunctionType.Execute && !fromNode.Guid.Equals(toNode.Guid))
                {
                    type = JunctionOfConnectionType.Invoke;
                    state = true;
                }
            }
            else if (fromNodeJunctionType == JunctionType.ArgData)
            {
                //if (toNodeJunctionType == JunctionType.Execute && fromNode.Guid.Equals(toNode.Guid)) // 添加获取参数关系
                //{
                //    // “方法入参”控制点拖拽到“方法执行”控制点，且是同一个节点，则添加获取参数关系，生成入参参数时自动从该节点的上一节点获取flowdata
                //    type = JunctionOfConnectionType.Arg;
                //    state = true;
                //}
                if (toNodeJunctionType == JunctionType.ReturnData && !fromNode.Guid.Equals(toNode.Guid))
                {
                    // “”控制点拖拽到“方法返回值”控制点，且不是同一个节点，添加获取参数关系，生成参数时从目标节点获取flowdata
                    type = JunctionOfConnectionType.Arg;
                    state = true;
                }
            }
            else if (fromNodeJunctionType == JunctionType.ReturnData)
            {
                if (toNodeJunctionType == JunctionType.ArgData && !fromNode.Guid.Equals(toNode.Guid))
                {
                    // “方法返回值”控制点拖拽到“方法入参”控制点，且不是同一个节点，添加获取参数关系，生成参数时从目标节点获取flowdata
                    type = JunctionOfConnectionType.Arg;
                    state = true;
                }
            }
            // 剩下的情况都是不符预期的连接行为，忽略。
            return (type, state);
        }
        /*
       /// <summary>
       /// 连接节点
       /// </summary>
       /// <param name="fromNode">起始节点</param>
       /// <param name="toNode">目标节点</param>
       /// <param name="invokeType">连接关系</param>
      private bool ConnectInvokeOfNode(string canvasGuid, IFlowNode fromNode, IFlowNode toNode, ConnectionInvokeType invokeType)
       {
           if (fromNode.ControlType == NodeControlType.FlowCall)
           {
               SereinEnv.WriteLine(InfoType.ERROR, $"流程接口节点不可调用下一个节点。" +
                         $"{Environment.NewLine}流程节点:{fromNode.Guid}");
               return false;
           }
           if (!FlowCanvass.ContainsKey(canvasGuid))
           {
               return false;
           }
           if (fromNode is null || toNode is null || fromNode == toNode)
           {
               return false;
           }

           var ToExistOnFrom = true;
           var FromExistInTo = true;
           ConnectionInvokeType[] ct = [ConnectionInvokeType.IsSucceed,
                                  ConnectionInvokeType.IsFail,
                                  ConnectionInvokeType.IsError,
                                  ConnectionInvokeType.Upstream];

           //if (toNode is SingleFlipflopNode flipflopNode)
           //{
           //    flowTaskManagement?.TerminateGlobalFlipflopRuning(flipflopNode); // 假设被连接的是全局触发器，尝试移除
           //}
           var isOverwriting = false;
           ConnectionInvokeType overwritingCt = ConnectionInvokeType.None;
           var isPass = false;
           foreach (ConnectionInvokeType ctType in ct)
           {
               var FToTo = fromNode.SuccessorNodes[ctType].Where(it => it.Guid.Equals(toNode.Guid)).ToArray();
               var ToOnF = toNode.PreviousNodes[ctType].Where(it => it.Guid.Equals(fromNode.Guid)).ToArray();
               ToExistOnFrom = FToTo.Length > 0;
               FromExistInTo = ToOnF.Length > 0;
               if (ToExistOnFrom && FromExistInTo)
               {
                   if (ctType == invokeType)
                   {
                       SereinEnv.WriteLine(InfoType.WARN, $"起始节点已与目标节点存在连接。" +
                          $"{Environment.NewLine}起始节点:{fromNode.Guid}" +
                          $"{Environment.NewLine}目标节点:{toNode.Guid}");
                       return false;
                   }
                   isOverwriting = true;
                   overwritingCt = ctType;
               }
               else
               {
                   // 检查是否可能存在异常
                   if (!ToExistOnFrom && FromExistInTo)
                   {
                       SereinEnv.WriteLine(InfoType.ERROR, $"起始节点不是目标节点的父节点，目标节点却是起始节点的子节点。" +
                           $"{Environment.NewLine}起始节点:{fromNode.Guid}" +
                           $"{Environment.NewLine}目标节点:{toNode.Guid}");
                       isPass = false;
                   }
                   else if (ToExistOnFrom && !FromExistInTo)
                   {
                       //
                       SereinEnv.WriteLine(InfoType.ERROR, $"起始节点不是目标节点的父节点，目标节点却是起始节点的子节点。" +
                           $"{Environment.NewLine}起始节点:{fromNode.Guid}" +
                           $"{Environment.NewLine}目标节点:{toNode.Guid}" +
                           $"");
                       isPass = false;
                   }
                   else
                   {
                       isPass = true;
                   }
               }
           }
           if (isPass)
           {
               if (isOverwriting) // 需要替换
               {
                   fromNode.SuccessorNodes[overwritingCt].Remove(toNode); // 从起始节点子分支中移除
                   toNode.PreviousNodes[overwritingCt].Remove(fromNode); // 从目标节点父分支中移除
               }
               fromNode.SuccessorNodes[invokeType].Add(toNode); // 添加到起始节点的子分支
               toNode.PreviousNodes[invokeType].Add(fromNode); // 添加到目标节点的父分支
               if (OperatingSystem.IsWindows())
               {

                   UIContextOperation?.Invoke(() =>
                       Event.OnNodeConnectChanged(
                               new NodeConnectChangeEventArgs(
                                    canvasGuid,
                                   fromNode.Guid, // 从哪个节点开始
                                   toNode.Guid, // 连接到那个节点
                                   JunctionOfConnectionType.Invoke,
                                   invokeType, // 连接线的样式类型
                                   NodeConnectChangeEventArgs.ConnectChangeType.Create // 是创建连接还是删除连接
                               ))); // 通知UI 
               }
               // Invoke
               // GetResult
               return true;
           }
           else
           {
               return false;
           }


       }*/



        /// <summary>
        /// 更改起点节点
        /// </summary>
        /// <param name="cavnasModel">节点所在的画布</param>
        /// <param name="newStartNode">起始节点</param>
        private void SetStartNode(FlowCanvasDetails cavnasModel, IFlowNode newStartNode)
        {
            var oldNodeGuid = cavnasModel.StartNode?.Guid;
            /*if(TryGetNodeModel(oldNodeGuid, out var newStartNodeModel))
            {
                newStartNode.IsStart = false;
            }*/
            cavnasModel.StartNode = newStartNode;
            //newStartNode.IsStart = true;
            UIContextOperation?.Invoke(() => Event.OnStartNodeChanged(new StartNodeChangeEventArgs(cavnasModel.Guid, oldNodeGuid, cavnasModel.StartNode.Guid)));

        }



        #endregion

        #region 视觉效果

        /// <summary>
        /// 定位节点
        /// </summary>
        /// <param name="nodeGuid"></param>
        public void NodeLocate(string nodeGuid)
        {
            if (OperatingSystem.IsWindows())
            {
                UIContextOperation?.Invoke(() => Event.OnNodeLocated(new NodeLocatedEventArgs(nodeGuid)));
            }

        }


        #endregion



        #region 流程接口

        private int _add_canvas_count = 1;
        public void CreateCanvas(string canvasName, int width, int height)
        {
            IOperation operation = new CreateCanvasOperation
            {
                CanvasInfo = new FlowCanvasDetailsInfo
                {
                    Name = $"Canvas {_add_canvas_count++}",
                    Width = width,
                    Height = height,
                    Guid = Guid.NewGuid().ToString(),
                    ScaleX = 1.0f,
                    ScaleY = 1.0f,
                }
            };

            flowOperationService.Execute(operation);
        }

        public void RemoveCanvas(string canvasGuid)
        {
            IOperation operation = new RemoveCanvasOperation
            {
                CanvasGuid = canvasGuid
            };
            flowOperationService.Execute(operation);
        }

        public void ConnectInvokeNode(string canvasGuid, string fromNodeGuid, string toNodeGuid, JunctionType fromNodeJunctionType, JunctionType toNodeJunctionType, ConnectionInvokeType invokeType)
        {
            IOperation operation = new ChangeNodeConnectionOperation
            {
                CanvasGuid = canvasGuid,
                FromNodeGuid = fromNodeGuid,
                ToNodeGuid = toNodeGuid,
                FromNodeJunctionType = fromNodeJunctionType,
                ToNodeJunctionType = toNodeJunctionType,
                ConnectionInvokeType = invokeType,
                ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Create,
                JunctionOfConnectionType = JunctionOfConnectionType.Invoke,
            };
            
            flowOperationService.Execute(operation);
        }

        public void ConnectArgSourceNode(string canvasGuid, string fromNodeGuid, string toNodeGuid, JunctionType fromNodeJunctionType, JunctionType toNodeJunctionType, ConnectionArgSourceType argSourceType, int argIndex)
        {
            IOperation operation = new ChangeNodeConnectionOperation
            {
                CanvasGuid = canvasGuid,
                FromNodeGuid = fromNodeGuid,
                ToNodeGuid = toNodeGuid,
                FromNodeJunctionType = fromNodeJunctionType,
                ToNodeJunctionType = toNodeJunctionType,
                ConnectionArgSourceType = argSourceType,
                ArgIndex = argIndex,
                ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Create,
                JunctionOfConnectionType = JunctionOfConnectionType.Arg,
            };
            flowOperationService.Execute(operation);
        }

        public void RemoveInvokeConnect(string canvasGuid, string fromNodeGuid, string toNodeGuid, ConnectionInvokeType connectionType)
        {
            IOperation operation = new ChangeNodeConnectionOperation
            {
                CanvasGuid = canvasGuid,
                FromNodeGuid = fromNodeGuid,
                ToNodeGuid = toNodeGuid,
                ConnectionInvokeType = connectionType,
                ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Remove,
            };
            flowOperationService.Execute(operation);
        }

        public void RemoveArgSourceConnect(string canvasGuid, string fromNodeGuid, string toNodeGuid, int argIndex)
        {
            IOperation operation = new ChangeNodeConnectionOperation
            {
                CanvasGuid = canvasGuid,
                FromNodeGuid = fromNodeGuid,
                ToNodeGuid = toNodeGuid,
                ArgIndex = argIndex,
                ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Remove
            };
            flowOperationService.Execute(operation);
        }

        public void CreateNode(string canvasGuid, NodeControlType nodeType, PositionOfUI position, MethodDetailsInfo methodDetailsInfo = null)
        {
            IOperation operation = new CreateNodeOperation
            {
                CanvasGuid = canvasGuid,
                NodeControlType = nodeType,
                Position = position,
                MethodDetailsInfo = methodDetailsInfo
            };
            flowOperationService.Execute(operation);
        }

        public void RemoveNode(string canvasGuid, string nodeGuid)
        {
            IOperation operation = new RemoveNodeOperation
            {
                CanvasGuid = canvasGuid,
                NodeGuid = nodeGuid
            };
            flowOperationService.Execute(operation);
        }

        public void PlaceNodeToContainer(string canvasGuid, string nodeGuid, string containerNodeGuid)
        {
            IOperation operation = new ContainerPlaceNodeOperation
            {
                CanvasGuid = canvasGuid,
                NodeGuid = nodeGuid,
                ContainerNodeGuid = containerNodeGuid
            };
            flowOperationService.Execute(operation);
        }

        public void TakeOutNodeToContainer(string canvasGuid, string nodeGuid)
        {
            IOperation operation = new ContainerTakeOutNodeOperation
            {
                CanvasGuid = canvasGuid,
                NodeGuid = nodeGuid,
            };
            flowOperationService.Execute(operation);
        }

        public void SetStartNode(string canvasGuid, string nodeGuid)
        {
            if (!TryGetCanvasModel(canvasGuid, out var canvasModel) || !TryGetNodeModel(nodeGuid, out var newStartNodeModel))
            {
                return;
            }
            SetStartNode(canvasModel, newStartNodeModel);
            return;
        }

        void IFlowEnvironment.SetConnectPriorityInvoke(string fromNodeGuid, string toNodeGuid, ConnectionInvokeType connectionType)
        {

            IOperation operation = new ChangeNodeConnectionOperation
            {
                CanvasGuid = string.Empty, // 连接优先级不需要画布
                FromNodeGuid = fromNodeGuid,
                ToNodeGuid = toNodeGuid,
                ConnectionInvokeType = connectionType,
                ChangeType = NodeConnectChangeEventArgs.ConnectChangeType.Create
            };
            flowOperationService.Execute(operation);
        }

        public void ChangeParameter(string nodeGuid, bool isAdd, int paramIndex)
        {
            IOperation operation = new ChangeParameterOperation
            {
                NodeGuid = nodeGuid,
                IsAdd = isAdd,
                ParamIndex = paramIndex
            };
            flowOperationService.Execute(operation);
        }



        /// <summary>
        /// 从节点信息集合批量加载节点控件
        /// </summary>
        /// <param name="List<NodeInfo>">节点信息</param>
        /// <returns></returns>
        /// 
        public async Task LoadNodeInfosAsync(List<NodeInfo> nodeInfos)
        {
            #region 从NodeInfo创建NodeModel
            // 流程接口节点最后才创建

            List<NodeInfo> flowCallNodeInfos = [];
            foreach (NodeInfo? nodeInfo in nodeInfos)
            {
                if (nodeInfo.Type == nameof(NodeControlType.FlowCall))
                {
                    flowCallNodeInfos.Add(nodeInfo);
                }
                else
                {
                    if (!CreateNodeFromNodeInfo(nodeInfo))
                    {
                        SereinEnv.WriteLine(InfoType.WARN, $"节点创建失败。{Environment.NewLine}{nodeInfo}");
                        continue;
                    }
                }
            }

            // 创建流程接口节点
            foreach (NodeInfo? nodeInfo in flowCallNodeInfos)
            {
                if (!CreateNodeFromNodeInfo(nodeInfo))
                {
                    SereinEnv.WriteLine(InfoType.WARN, $"节点创建失败。{Environment.NewLine}{nodeInfo}");
                    continue;
                }
            }
            #endregion

            #region 重新放置节点

            List<NodeInfo> needPlaceNodeInfos = [];
            foreach (NodeInfo? nodeInfo in nodeInfos)
            {
                if (!string.IsNullOrEmpty(nodeInfo.ParentNodeGuid) &&
                    TryGetNodeModel(nodeInfo.ParentNodeGuid, out var parentNode))
                {
                    needPlaceNodeInfos.Add(nodeInfo); // 需要重新放置的节点
                }
            }

            foreach (NodeInfo nodeInfo in needPlaceNodeInfos)
            {
                if (TryGetNodeModel(nodeInfo.Guid, out var nodeModel) &&
                    TryGetNodeModel(nodeInfo.ParentNodeGuid, out var containerNode)
                    && containerNode is INodeContainer nodeContainer)
                {
                    var result = nodeContainer.PlaceNode(nodeModel);
                    if (result)
                    {
                        UIContextOperation?.Invoke(() => Event.OnNodePlace(
                           new NodePlaceEventArgs(nodeInfo.CanvasGuid, nodeModel.Guid, containerNode.Guid)));
                    }


                }
            }
            #endregion

            await Task.Delay(100);
            #region 确定节点之间的方法调用关系
            foreach (var nodeInfo in nodeInfos)
            {
                var canvasGuid = nodeInfo.CanvasGuid;
                if (!TryGetNodeModel(nodeInfo.Guid, out var fromNodeModel))
                {
                    return;
                }
                if (fromNodeModel is null) continue;
                List<(ConnectionInvokeType connectionType, string[] guids)> allToNodes = [(ConnectionInvokeType.IsSucceed,nodeInfo.TrueNodes),
                                                                                        (ConnectionInvokeType.IsFail,   nodeInfo.FalseNodes),
                                                                                        (ConnectionInvokeType.IsError,  nodeInfo.ErrorNodes),
                                                                                        (ConnectionInvokeType.Upstream, nodeInfo.UpstreamNodes)];
                foreach ((ConnectionInvokeType connectionType, string[] toNodeGuids) item in allToNodes)
                {
                    // 遍历当前类型分支的节点（确认连接关系）
                    foreach (var toNodeGuid in item.toNodeGuids)
                    {
                        if (!TryGetNodeModel(toNodeGuid, out var toNodeModel))
                        {
                            return;
                        }
                        if (toNodeModel is null)
                        {
                            // 防御性代码，加载正常保存的项目文件不会进入这里
                            continue;
                        }
                        
                        ConnectInvokeNode(canvasGuid, fromNodeModel.Guid, toNodeModel.Guid, JunctionType.NextStep, JunctionType.Execute, item.connectionType);

                        //var isSuccessful = ConnectInvokeOfNode(canvasGuid, fromNodeModel, toNodeModel, item.connectionType); // 加载时确定节点间的连接关系
                    }
                }


                //List<(ConnectionInvokeType connectionType, string[] guids)> allToNodes = [(ConnectionInvokeType.IsSucceed,nodeInfo.TrueNodes),
                //                                                                (ConnectionInvokeType.IsFail,   nodeInfo.FalseNodes),
                //                                                                (ConnectionInvokeType.IsError,  nodeInfo.ErrorNodes),
                //                                                                (ConnectionInvokeType.Upstream, nodeInfo.UpstreamNodes)];

                //List<(ConnectionInvokeType, NodeModelBase[])> fromNodes = allToNodes.Where(info => info.guids.Length > 0)
                //                                                     .Select(info => (info.connectionType,
                //                                                                      info.guids.Where(guid => NodeModels.ContainsKey(guid)).Select(guid => NodeModels[guid])
                //                                                                        .ToArray()))
                //                                                     .ToList();
                // 遍历每种类型的节点分支（四种）
                //foreach ((ConnectionInvokeType connectionType, NodeModelBase[] toNodes) item in nodeInfo)
                //{
                //    // 遍历当前类型分支的节点（确认连接关系）
                //    foreach (var toNode in item.toNodes)
                //    {
                //        _ = ConnectInvokeOfNode(fromNode, toNode, item.connectionType); // 加载时确定节点间的连接关系
                //    }
                //}
            }
            #endregion

            #region 确定节点之间的参数调用关系
            var nodeModels = flowModelService.GetAllNodeModel();
            foreach (var toNode in nodeModels)
            {
                var canvasGuid = toNode.CanvasDetails.Guid;
                if (toNode.MethodDetails.ParameterDetailss == null)
                {
                    continue;
                }
                for (var i = 0; i < toNode.MethodDetails.ParameterDetailss.Length; i++)
                {
                    var pd = toNode.MethodDetails.ParameterDetailss[i];
                    if (!string.IsNullOrEmpty(pd.ArgDataSourceNodeGuid)
                        && TryGetNodeModel(pd.ArgDataSourceNodeGuid, out var fromNode))
                    {

                        ConnectArgSourceNode(canvasGuid, fromNode.Guid, toNode.Guid, JunctionType.ReturnData, JunctionType.ArgData ,  pd.ArgDataSourceType, pd.Index);
                    }
                }
            }
            #endregion


            UIContextOperation?.Invoke(() =>
            {
                Event.OnProjectLoaded(new ProjectLoadedEventArgs());
            });

            return;
        }
        #endregion
    }


}