using Cognex.VisionPro;
using Cognex.VisionPro.ImageFile;
using Cognex.VisionPro3D;
using log4net.Core;
using MahApps.Metro.Controls;
using Prism.Events;
using Prism.Ioc;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Forms.Integration;
using System.Windows.Interop;
using TeamAAS_VP;
using TeamAAS_VP.Core;
using TeamAAS_VP.Enums;
using TeamAAS_VP.Events;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;
using TeamAAS_VP.Resources.Languages;
using TeamAAS_VP.ViewModels;
using TeamAAS_VP.ViewModels.Home;
//using static MaterialDesignThemes.Wtf.ToolBar;

namespace TeamAAS_VP.Views.Home
{
    /// <summary>
    /// Interaction logic for ShowVisionRender
    /// </summary>
    public partial class ShowVisionRender : UserControl
    {
        private const string Render2DKeySuffix = ":2D";
        private const string Render3DKeySuffix = ":3D";

        private static string Get2DKey(Guid id) => id.ToString() + Render2DKeySuffix;
        private static string Get3DKey(Guid id) => id.ToString() + Render3DKeySuffix;
        ShowVisionRenderViewModel viewModel;
        Dictionary<string, WindowsFormsHost> vmRenders;
        Dictionary<Guid, TextBlock> Titles;
        IEventAggregator _eventAggregator;
        private readonly IProductService _productService;
        private readonly Prism.Services.Dialogs.IDialogService _dialogService;

        private CancellationTokenSource _saveImageCts = new CancellationTokenSource();
        private readonly object _saveImageCtsLock = new object();
        private readonly SemaphoreSlim _saveSemaphore = new SemaphoreSlim(5, 5);
        private readonly ConcurrentQueue<ShowRender> _pendingRenderUpdates = new ConcurrentQueue<ShowRender>();
        private int _renderDrainScheduled;
        private List<Models.DelaySaveImage> delaySaveImages = new List<Models.DelaySaveImage>();

        /// <summary>
        /// 安全获取有效的 CancellationToken。如果当前 CTS 已释放则自动创建新的。
        /// </summary>
        private CancellationToken GetSafeSaveToken()
        {
            lock (_saveImageCtsLock)
            {
                try
                {
                    var token = _saveImageCts.Token;
                    return token;
                }
                catch (ObjectDisposedException)
                {
                    _saveImageCts = new CancellationTokenSource();
                    return _saveImageCts.Token;
                }
            }
        }

        public ShowVisionRender()
        {
            InitializeComponent();
            vmRenders = new Dictionary<string, WindowsFormsHost>();
            Titles = new Dictionary<Guid, TextBlock>();
            viewModel = DataContext as ShowVisionRenderViewModel;
            _eventAggregator = viewModel._eventAggregator;
            _productService = ((Prism.PrismApplicationBase)App.Current).Container.Resolve<IProductService>();

            // 新增：DialogService
            _dialogService = ((Prism.PrismApplicationBase)App.Current).Container.Resolve<Prism.Services.Dialogs.IDialogService>();

            viewModel.UpdateLayout += ViewModel_UpdateLayout;
            // 后台线程仅负责准备渲染数据；真正的 UI 应用合并到单个 Background 优先级批处理里，
            // 避免每张图都以 Normal 优先级抢占用户输入。
            _eventAggregator.GetEvent<RenderUpdateNotification>().Subscribe(
                EnqueueRenderUpdate,
                ThreadOption.BackgroundThread);
            _eventAggregator.GetEvent<ProductChangedNotification>().Subscribe(ProductChanged);
            _eventAggregator.GetEvent<DelaySaveImageNotification>().Subscribe(UpdateDelaySaveImage);
        }

        private bool GetView3DUse()
        {
            try
            {
                var configService = ((Prism.PrismApplicationBase)App.Current).Container.Resolve<IConfigService>();
                if(configService.GetSystemConfiguration().PickPointNum==0)
                {
                    return false;
                }
                else
                {
                    return true;
                }
                //return true;
            }
            catch
            {
                return false;
            }
        }

        private void EnqueueRenderUpdate(ShowRender render)
        {
            if (render == null)
                return;

            ICogImage imageCopy = null;
            try
            {
                imageCopy = render.Image?.CopyBase(CogImageCopyModeConstants.CopyPixels);
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError("深拷贝 ICogImage 失败", ex);
            }

            _pendingRenderUpdates.Enqueue(new ShowRender
            {
                Id = render.Id,
                DisplayName = render.DisplayName,
                Image = imageCopy,
                Graphic = render.Graphic,
                Record = render.Record,
                Result = render.Result,
                IsShow = render.IsShow,
                IsSaveImage = render.IsSaveImage,
                SaveImageModel = render.SaveImageModel,
                SaveImagePathModel = render.SaveImagePathModel,
                SavePath = render.SavePath,
                IsCompress = render.IsCompress,
                ProceductName = render.ProceductName,
                ImageFileName = render.ImageFileName,
                Is3DModel = render.Is3DModel,
                RangeImage = render.RangeImage,
                GreyImage = render.GreyImage,
                IsDelaySaveImage = render.IsDelaySaveImage,
            });

            if (_pendingRenderUpdates.Count > 8)
            {
                LogHelper.WriteLogInfo($"[UI-RENDER] Pending render queue depth={_pendingRenderUpdates.Count}");
            }

            ScheduleRenderDrain();
        }

        private void ScheduleRenderDrain()
        {
            if (Interlocked.CompareExchange(ref _renderDrainScheduled, 1, 0) != 0)
                return;

            _ = this.gridRender.Dispatcher.InvokeAsync(async () =>
            {
                try
                {
                    int processed = 0;
                    while (_pendingRenderUpdates.TryDequeue(out var render))
                    {
                        ApplyRenderUpdate(render);
                        processed++;
                        if (processed % 2 == 0 && !_pendingRenderUpdates.IsEmpty)
                            await System.Windows.Threading.Dispatcher.Yield(System.Windows.Threading.DispatcherPriority.Input);
                    }
                }
                finally
                {
                    Interlocked.Exchange(ref _renderDrainScheduled, 0);
                    if (!_pendingRenderUpdates.IsEmpty)
                        ScheduleRenderDrain();
                }
            }, System.Windows.Threading.DispatcherPriority.Background);
        }

        private void ApplyRenderUpdate(ShowRender render)
        {
            if (render.Is3DModel == true && GetView3DUse() == true)
            {
                if (!vmRenders.TryGetValue(Get3DKey(render.Id), out var host3D))
                    return;

                var display3D = host3D.Child as Cognex.VisionPro3D.Cog3DDisplayV2WF;
                if (display3D == null)
                    return;

                try
                {
                    display3D.Clear();

                    if (render.RangeImage == null || render.GreyImage == null)
                        return;

                    var rImgG = new Cog3DRangeImageGraphic(render.RangeImage, render.GreyImage);
                    display3D.Add(rImgG, "__default");
                    display3D.FitView();
                }
                catch (System.Windows.Forms.AxHost.InvalidActiveXStateException)
                {
                }
            }

            if (!vmRenders.TryGetValue(Get2DKey(render.Id), out var host2D))
                return;

            var recordDisplay = host2D.Child as Cognex.VisionPro.CogRecordDisplay;
            if (recordDisplay == null)
                return;

            try
            {
                recordDisplay.Record = null;
                recordDisplay.Image = render.Image;

                recordDisplay.StaticGraphics.Clear();
                if (render.Graphic != null)
                    recordDisplay.StaticGraphics.AddList(render.Graphic, "");

                if (render.Record != null)
                    recordDisplay.Record = render.Record;

                if (render.IsSaveImage)
                {
                    RequestSaveImage(render, recordDisplay);
                }
            }
            catch (System.Windows.Forms.AxHost.InvalidActiveXStateException)
            {
            }
        }

        private void AddRenderPair(Guid id, string displayName)
        {
            // 2D
            var display2D = new Cognex.VisionPro.CogRecordDisplay() { Tag = displayName };
            display2D.HandleCreated += (s, e) =>
            {
                try
                {
                    display2D.HorizontalScrollBar = false;
                    display2D.VerticalScrollBar = false;
                    display2D.AutoFit = true;
                    display2D.BackColor = System.Drawing.SystemColors.ActiveCaption;
                }
                catch (System.Windows.Forms.AxHost.InvalidActiveXStateException)
                {
                }
            };

            // 绑定双击：弹出预览窗口
            display2D.DoubleClick += (s, e) => OnDisplayDoubleClick(display2D);

            vmRenders.Add(Get2DKey(id), new WindowsFormsHost() { Tag = displayName, Child = display2D });

            // 3D：按配置创建
            if (!GetView3DUse())
                return;

            // 3D
            var display3D = new Cognex.VisionPro3D.Cog3DDisplayV2WF() { Tag = displayName };
            display3D.HandleCreated += (s, e) =>
            {
                try
                {
                    display3D.BackColor = System.Drawing.SystemColors.ActiveCaption;
                }
                catch (System.Windows.Forms.AxHost.InvalidActiveXStateException)
                {
                }
            };

            vmRenders.Add(Get3DKey(id), new WindowsFormsHost() { Tag = displayName, Child = display3D });
        }

        private Grid CreateCellGrid(Guid id, string displayName, System.Windows.Media.FontFamily font)
        {
            var is3DEnabled = GetView3DUse();
            var cell = new Grid();
            cell.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Auto) });
            cell.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });

            var title = new TextBlock()
            {
                Text = displayName,
                HorizontalAlignment = System.Windows.HorizontalAlignment.Center,
                FontWeight = FontWeights.Bold,
                FontFamily = font,
                FontSize = 12,
                Foreground = System.Windows.Media.Brushes.Black
            };

            Titles[id] = title;

            var content = new Grid();
            if(is3DEnabled)
            {
                content.ColumnDefinitions.Add(new ColumnDefinition()); // 2D
                content.ColumnDefinitions.Add(new ColumnDefinition()); // 3D

                content.Children.Add(vmRenders[Get2DKey(id)]);
                content.Children.Add(vmRenders[Get3DKey(id)]);

                Grid.SetColumn(vmRenders[Get2DKey(id)], 0);
                Grid.SetColumn(vmRenders[Get3DKey(id)], 1);
            }
            else
            {
                content.ColumnDefinitions.Add(new ColumnDefinition()); // 仅 2D

                content.Children.Add(vmRenders[Get2DKey(id)]);
                Grid.SetColumn(vmRenders[Get2DKey(id)], 0);
            }

            cell.Children.Add(title);
            cell.Children.Add(content);

            Grid.SetRow(title, 0);
            Grid.SetRow(content, 1);

            return cell;
        }

        Grid grid1 = new Grid();
        Grid grid2 = new Grid();
        Grid grid3 = new Grid();
        Grid grid4 = new Grid();
        Grid grid5 = new Grid();
        Grid grid6 = new Grid();
        Grid grid7 = new Grid();
        Grid grid8 = new Grid();
        Grid grid9 = new Grid();
        Grid grid10 = new Grid();
        Grid grid11 = new Grid();
        Grid grid12 = new Grid();
        Grid grid13 = new Grid();
        Grid grid14 = new Grid();
        Grid grid15 = new Grid();
        Grid grid16 = new Grid();
        Grid grid17 = new Grid();
        Grid grid18 = new Grid();
        Grid grid19 = new Grid();
        Grid grid20 = new Grid();
        private void ViewModel_UpdateLayout(System.Collections.ObjectModel.ObservableCollection<Models.ShowRender> obj)
        {
            System.Windows.Media.FontFamily font = Application.Current.Resources["DefaultFont"] as System.Windows.Media.FontFamily;
            
            if (vmRenders.Count > 0)
            {
                foreach (var render in vmRenders)
                {
                    render.Value.Dispose();
                }
            }
            vmRenders.Clear();
            gridRender.Children.Clear();
            gridRender.RowDefinitions.Clear();
            gridRender.ColumnDefinitions.Clear();
            Titles.Clear();

            if (obj == null || obj.Count == 0)
                return;

            // 先创建所有相机的 2D/3D 对
            for (int i = 0; i < obj.Count; i++)
                AddRenderPair(obj[i].Id, obj[i].DisplayName);
            switch (obj.Count)
            {
                case 1:
                    {
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());

                        var cell = CreateCellGrid(obj[0].Id, obj[0].DisplayName, font);
                        gridRender.Children.Add(cell);
                        Grid.SetRow(cell, 0);
                        Grid.SetColumn(cell, 0);
                        gridRender.ShowGridLines = false;
                        break;
                    }

                case 2:
                    {
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = true;

                        var cell0 = CreateCellGrid(obj[0].Id, obj[0].DisplayName, font);
                        var cell1 = CreateCellGrid(obj[1].Id, obj[1].DisplayName, font);

                        gridRender.Children.Add(cell0);
                        gridRender.Children.Add(cell1);

                        Grid.SetRow(cell0, 0);
                        Grid.SetColumn(cell0, 0);
                        Grid.SetRow(cell1, 0);
                        Grid.SetColumn(cell1, 1);
                        break;
                    }

                case 3:
                    {
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = true;

                        var cell0 = CreateCellGrid(obj[0].Id, obj[0].DisplayName, font);
                        var cell1 = CreateCellGrid(obj[1].Id, obj[1].DisplayName, font);
                        var cell2 = CreateCellGrid(obj[2].Id, obj[2].DisplayName, font);

                        gridRender.Children.Add(cell0);
                        gridRender.Children.Add(cell1);
                        gridRender.Children.Add(cell2);

                        Grid.SetRow(cell0, 0);
                        Grid.SetColumn(cell0, 0);

                        Grid.SetRow(cell1, 0);
                        Grid.SetColumn(cell1, 1);

                        Grid.SetRow(cell2, 1);
                        Grid.SetColumn(cell2, 0);
                        Grid.SetColumnSpan(cell2, 2);
                        break;
                    }

                case 4:
                    {
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 4; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 2);
                            Grid.SetColumn(cell, i % 2);
                        }

                        break;
                    }

                case 5:
                    {
                        // 你的原布局：上面2个，下面3个（通过嵌套grid6）
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = true;

                        var top0 = CreateCellGrid(obj[0].Id, obj[0].DisplayName, font);
                        var top1 = CreateCellGrid(obj[1].Id, obj[1].DisplayName, font);

                        var bottom = new Grid();
                        bottom.ColumnDefinitions.Add(new ColumnDefinition());
                        bottom.ColumnDefinitions.Add(new ColumnDefinition());
                        bottom.ColumnDefinitions.Add(new ColumnDefinition());

                        var b0 = CreateCellGrid(obj[2].Id, obj[2].DisplayName, font);
                        var b1 = CreateCellGrid(obj[3].Id, obj[3].DisplayName, font);
                        var b2 = CreateCellGrid(obj[4].Id, obj[4].DisplayName, font);

                        bottom.Children.Add(b0);
                        bottom.Children.Add(b1);
                        bottom.Children.Add(b2);
                        Grid.SetColumn(b0, 0);
                        Grid.SetColumn(b1, 1);
                        Grid.SetColumn(b2, 2);

                        gridRender.Children.Add(top0);
                        gridRender.Children.Add(top1);
                        gridRender.Children.Add(bottom);

                        Grid.SetRow(top0, 0);
                        Grid.SetColumn(top0, 0);

                        Grid.SetRow(top1, 0);
                        Grid.SetColumn(top1, 1);

                        Grid.SetRow(bottom, 1);
                        Grid.SetColumn(bottom, 0);
                        Grid.SetColumnSpan(bottom, 2);
                        break;
                    }

                case 6:
                    {
                        // 你的原布局：2行3列
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 6; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 3);
                            Grid.SetColumn(cell, i % 3);
                        }

                        break;
                    }

                case 7:
                    {
                        // 你的原布局：第一行4个，第二行3个（但原来只放到 col 0/1/2）
                        // 这里保持原样：第一行4列，第二行3列（第4列留空）
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 7; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            if (i < 4)
                            {
                                Grid.SetRow(cell, 0);
                                Grid.SetColumn(cell, i);
                            }
                            else
                            {
                                Grid.SetRow(cell, 1);
                                Grid.SetColumn(cell, i - 4);
                            }
                        }

                        break;
                    }

                case 8:
                    {
                        // 2行4列
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        for (int i = 0; i < 4; i++)
                            gridRender.ColumnDefinitions.Add(new ColumnDefinition());

                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 8; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 4);
                            Grid.SetColumn(cell, i % 4);
                        }

                        break;
                    }

                case 9:
                    {
                        // 3行3列
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });

                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());

                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 9; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 3);
                            Grid.SetColumn(cell, i % 3);
                        }

                        break;
                    }

                case 12:
                    {
                        // 3行4列
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });

                        for (int i = 0; i < 4; i++)
                            gridRender.ColumnDefinitions.Add(new ColumnDefinition());

                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 12; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 4);
                            Grid.SetColumn(cell, i % 4);
                        }

                        break;
                    }

                case 16:
                    {
                        // 4行4列
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });

                        for (int i = 0; i < 4; i++)
                            gridRender.ColumnDefinitions.Add(new ColumnDefinition());

                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 16; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 4);
                            Grid.SetColumn(cell, i % 4);
                        }

                        break;
                    }

                case 20:
                    {
                        // 5行4列
                        for (int r = 0; r < 5; r++)
                            gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });

                        for (int c = 0; c < 4; c++)
                            gridRender.ColumnDefinitions.Add(new ColumnDefinition());

                        gridRender.ShowGridLines = true;

                        for (int i = 0; i < 20; i++)
                        {
                            var cell = CreateCellGrid(obj[i].Id, obj[i].DisplayName, font);
                            gridRender.Children.Add(cell);

                            Grid.SetRow(cell, i / 4);
                            Grid.SetColumn(cell, i % 4);
                        }

                        break;
                    }

                default:
                    {
                        // 未覆盖的数量：先用简单的 1列多行兜底（避免空白）
                        gridRender.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
                        gridRender.ColumnDefinitions.Add(new ColumnDefinition());
                        gridRender.ShowGridLines = false;

                        var cell = CreateCellGrid(obj[0].Id, obj[0].DisplayName, font);
                        gridRender.Children.Add(cell);
                        Grid.SetRow(cell, 0);
                        Grid.SetColumn(cell, 0);
                        break;
                    }
            }
        }

        /// <summary>
        /// 请求保存图像（在 WinForms 消息循环线程截图，然后派发到后台线程保存）
        /// 使用 SemaphoreSlim 控制并发，支持 CancellationToken 取消
        /// </summary>
        private void RequestSaveImage(ShowRender render, Cognex.VisionPro.CogRecordDisplay disp)
        {
            if (render == null) return;
            if (disp == null) return;
            if (!render.IsSaveImage)
            {
                LogHelper.WriteLogInfo($"[SAVE-IMAGE] 跳过保存: IsSaveImage=false, Id={render.Id}, DisplayName={render.DisplayName}");
                return;
            }

            if (!render.IsDelaySaveImage && string.IsNullOrEmpty(_productService.CurrentProductCode))
            {
                _eventAggregator.GetEvent<TaskMessageNotification>()
                    .Publish(new MessageStruct()
                    {
                        Message = "当前产品SN不存在，无法保存图片！",
                        level = MessageLevel.Alarm
                    });
                return;
            }

            //LogHelper.WriteLogInfo($"[SAVE-IMAGE] 开始保存流程: Id={render.Id}, SaveModel={render.SaveImageModel}, SavePath={render.SavePath}, IsDelay={render.IsDelaySaveImage}, ProductCode={_productService.CurrentProductCode}");

            bool needRecordedBitmap =
                render.SaveImageModel == ProcedureSaveImageModel.Recorded ||
                render.SaveImageModel == ProcedureSaveImageModel.OriginalAndRecorded;

            var token = GetSafeSaveToken();

            disp.BeginInvoke(new Action(() =>
            {
                Bitmap clonedBitmap = null;
                try
                {
                    if (token.IsCancellationRequested) return;
                    if (needRecordedBitmap)
                    {
                        if (disp.IsDisposed || !disp.IsHandleCreated) return;
                        Bitmap uiBitmap = (Bitmap)disp.CreateContentBitmap(
                            Cognex.VisionPro.Display.CogDisplayContentBitmapConstants.Custom);
                        clonedBitmap = (Bitmap)uiBitmap.Clone();
                        uiBitmap.Dispose();
                    }

                    var capturedBitmap = clonedBitmap;
                    var capturedRender = render;

                    Task.Run(async () =>
                    {
                        await _saveSemaphore.WaitAsync(token);
                        try
                        {
                            if (token.IsCancellationRequested) return;

                            if (capturedRender.IsDelaySaveImage)
                            {
                                // 延迟保存：存入列表，等 DelaySaveImageNotification 时统一写入
                                ICogImage imageDeepCopy = null;
                                try
                                {
                                    imageDeepCopy = capturedRender.Image?
                                        .CopyBase(CogImageCopyModeConstants.CopyPixels);
                                }
                                catch (Exception ex)
                                {
                                    LogHelper.WriteLogError("延迟保存深拷贝 ICogImage 失败", ex);
                                }

                                var delayItem = new Models.DelaySaveImage()
                                {
                                    SaveImageModel = capturedRender.SaveImageModel,
                                    SaveImagePathModel = capturedRender.SaveImagePathModel,
                                    SavePath = capturedRender.SavePath,
                                    Image = imageDeepCopy,
                                    clonedBitmap = capturedBitmap != null
                                        ? (Bitmap)capturedBitmap.Clone() : null,
                                    Result = capturedRender.Result,
                                    IsCompress = capturedRender.IsCompress,
                                    ImageFileName = capturedRender.ImageFileName,
                                    Is3DModel = capturedRender.Is3DModel,
                                };

                                lock (delaySaveImages)
                                {
                                    delaySaveImages.Add(delayItem);
                                }
                            }
                            else
                            {
                                if (string.IsNullOrEmpty(_productService.CurrentProductCode))
                                {
                                    _eventAggregator.GetEvent<TaskMessageNotification>()
                                        .Publish(new MessageStruct()
                                        {
                                            Message = "当前产品SN不存在，无法保存图片！",
                                            level = MessageLevel.Alarm
                                        });
                                    return;
                                }
                                LogHelper.WriteLogInfo("开始异步保存图像");
                                await SaveImageAsync(
                                    capturedRender.SaveImageModel,
                                    capturedRender.SaveImagePathModel,
                                    capturedRender.SavePath,
                                    capturedRender.Image,
                                    capturedBitmap,
                                    capturedRender.Result,
                                    capturedRender.IsCompress,
                                    capturedRender.ImageFileName,
                                    capturedRender.Is3DModel,
                                    token
                                );
                            }
                        }
                        catch (OperationCanceledException) { }
                        catch (Exception ex)
                        {
                            LogHelper.WriteLogError("后台保存图像任务出错！", ex);
                        }
                        finally
                        {
                            try { capturedBitmap?.Dispose(); } catch { }
                            _saveSemaphore.Release();
                        }
                    }, token);
                }
                catch (Exception ex)
                {
                    LogHelper.WriteLogError("RequestSaveImage(UI截图阶段) 出错！", ex);
                    try { clonedBitmap?.Dispose(); } catch { }
                }
            }));
        }

        /// <summary>
        /// 异步保存图像（调用者已在后台线程，不再嵌套 Task.Run；通过 CancellationToken 支持取消）
        /// </summary>
        private async Task SaveImageAsync(
            ProcedureSaveImageModel saveImageModel,
            ProcedureSaveImagePathModel saveImagePathModel,
            string path, ICogImage image, Bitmap reimage,
            bool result, bool isCompress, string imageFileName,
            bool is3Dmodel, CancellationToken cancellationToken)
        {
            if (string.IsNullOrEmpty(path) || string.IsNullOrWhiteSpace(path) || !Path.IsPathRooted(path))
            {
                LogHelper.WriteLogInfo($"[SAVE-IMAGE] 保存失败：路径无效 path=\"{path}\"");
                _eventAggregator.GetEvent<TaskMessageNotification>()
                    .Publish(new Models.MessageStruct() { Message = "保存图像路径为无效的路径！", level = MessageLevel.Alarm });
                return;
            }

            //LogHelper.WriteLogInfo($"[SAVE-IMAGE] SaveImageAsync 开始: path={path}, model={saveImageModel}, pathModel={saveImagePathModel}, result={result}, is3D={is3Dmodel}, fileName={imageFileName}");

            try
            {
                await Task.CompletedTask; // 消除 CS1998：调用者已在后台线程，下方所有 I/O 为同步执行
                cancellationToken.ThrowIfCancellationRequested();

                DateTime now = DateTime.Now;
                //图片名
                string imgName = now.ToString("yyyy-MM-dd HH_mm_ss");
                if (!string.IsNullOrEmpty(imageFileName))
                {
                    imgName = imageFileName;
                }

                if (saveImageModel == ProcedureSaveImageModel.Original)
                {
                    string Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\{imgName}.bmp";

                    if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_OkNG_Time)
                    {
                        Originalpath = result
                            ? $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp"
                            : $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Ok_Time)
                    {
                        if (result)
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp";
                        else
                            return;
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Ng_Time)
                    {
                        if (!result)
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                        else
                            return;
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Formula_ProductSN_Time)
                    {
                        // 当前产品配方名（过滤非法字符）
                        string formulaName = _productService.GetCurrentProduct().Name;
                        foreach (char c in Path.GetInvalidFileNameChars())
                            formulaName = formulaName.Replace(c, '_');

                        // 产品SN（过滤非法字符）
                        string productSN = _productService.CurrentProductCode;
                        if (productSN != null)
                        {
                            foreach (char c in Path.GetInvalidFileNameChars())
                                productSN = productSN.Replace(c, '_');
                        }

                        string resultStr = result ? "OK" : "NG";
                        Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\{formulaName}\\{productSN}\\{resultStr}\\{imgName}.bmp";
                    }

                    cancellationToken.ThrowIfCancellationRequested();

                    if (!Directory.Exists(Path.GetDirectoryName(Originalpath)))
                        Directory.CreateDirectory(Path.GetDirectoryName(Originalpath));

                    using (CogImageFileBMP _cogImageFileTool = new CogImageFileBMP())
                    {
                        _cogImageFileTool.Open(Originalpath, CogImageFileModeConstants.Write);
                        _cogImageFileTool.Append(image);
                        _cogImageFileTool.Close();
                    }
                }
                else if (saveImageModel == ProcedureSaveImageModel.Recorded)
                {
                    string Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\{imgName}.bmp";

                    if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_OkNG_Time)
                    {
                        Recordedpath = result
                            ? $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp"
                            : $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Ok_Time)
                    {
                        if (result)
                            Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp";
                        else
                            return;
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Ng_Time)
                    {
                        if (!result)
                            Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                        else
                            return;
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Formula_ProductSN_Time)
                    {
                        string formulaName = _productService.GetCurrentProduct().Name;
                        foreach (char c in Path.GetInvalidFileNameChars())
                            formulaName = formulaName.Replace(c, '_');

                        string productSN = _productService.CurrentProductCode;
                        foreach (char c in Path.GetInvalidFileNameChars())
                            productSN = productSN.Replace(c, '_');

                        string resultStr = result ? "OK" : "NG";
                        Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\{formulaName}\\{productSN}\\{resultStr}\\{imgName}.bmp";
                    }

                    cancellationToken.ThrowIfCancellationRequested();

                    if (!Directory.Exists(Path.GetDirectoryName(Recordedpath)))
                        Directory.CreateDirectory(Path.GetDirectoryName(Recordedpath));

                    if (isCompress)
                    {
                        ImageHelper.CompressImage(reimage, Recordedpath, 20);
                    }
                    else
                    {
                        reimage.Save(Recordedpath);
                    }
                }
                else if (saveImageModel == ProcedureSaveImageModel.OriginalAndRecorded)
                {
                    string Originalpath = "";
                    if (is3Dmodel == true)
                    {
                        Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\{imgName}.idb";
                    }
                    else
                    {
                        Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\{imgName}.bmp";
                    }
                    string Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\{imgName}.bmp";

                    if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_OkNG_Time)
                    {
                        if (result)
                        {
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp";
                            Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp";
                        }
                        else
                        {
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                            Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                        }
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Ok_Time)
                    {
                        if (result)
                        {
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp";
                            Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\OK\\{imgName}.bmp";
                        }
                        else
                        {
                            return;
                        }
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Ng_Time)
                    {
                        if (!result)
                        {
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                            Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\NG\\{imgName}.bmp";
                        }
                        else
                        {
                            return;
                        }
                    }
                    else if (saveImagePathModel == ProcedureSaveImagePathModel.Month_Day_Formula_ProductSN_Time)
                    {
                        string formulaName = _productService.GetCurrentProduct().Name;
                        foreach (char c in Path.GetInvalidFileNameChars())
                            formulaName = formulaName.Replace(c, '_');

                        string productSN = _productService.CurrentProductCode;
                        if (productSN != null)
                        {
                            foreach (char c in Path.GetInvalidFileNameChars())
                                productSN = productSN.Replace(c, '_');
                        }

                        string resultStr = result ? "OK" : "NG";
                        if (is3Dmodel == true)
                        {
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\{formulaName}\\{productSN}\\{resultStr}\\{imgName}.idb";
                        }
                        else
                        {
                            Originalpath = $"{path}\\Original\\{now:yyyy-MM}\\{now:MM-dd}\\{formulaName}\\{productSN}\\{resultStr}\\{imgName}.bmp";
                        }
                        Recordedpath = $"{path}\\Recored\\{now:yyyy-MM}\\{now:MM-dd}\\{formulaName}\\{productSN}\\{resultStr}\\{imgName}.bmp";
                    }

                    cancellationToken.ThrowIfCancellationRequested();

                    if (!Directory.Exists(Path.GetDirectoryName(Originalpath)))
                        Directory.CreateDirectory(Path.GetDirectoryName(Originalpath));

                    using (CogImageFile _cogImageFileTool = new CogImageFile())
                    {
                        _cogImageFileTool.Open(Originalpath, CogImageFileModeConstants.Write);
                        _cogImageFileTool.Append(image);
                        _cogImageFileTool.Close();
                    }

                    cancellationToken.ThrowIfCancellationRequested();

                    if (!Directory.Exists(Path.GetDirectoryName(Recordedpath)))
                        Directory.CreateDirectory(Path.GetDirectoryName(Recordedpath));

                    if (isCompress)
                    {
                        ImageHelper.CompressImage(reimage, Recordedpath, 20);
                    }
                    else
                    {
                        reimage.Save(Recordedpath);
                    }
                }
            }
            catch (OperationCanceledException) { }
            catch (Exception ex)
            {
                LogHelper.WriteLogError($"[SAVE-IMAGE] 保存流程运行结果的图片时出错！path={path}", ex);
            }
            finally
            {
                try { reimage?.Dispose(); } catch { }
            }
        }

        /// <summary>
        /// 延迟保存图像处理：isSave=true 时批量保存所有待保存项；false 时丢弃并清理
        /// </summary>
        private async void UpdateDelaySaveImage(bool isSave)
        {
            if (!isSave)
            {
                lock (delaySaveImages)
                {
                    foreach (var item in delaySaveImages)
                    {
                        try { item.clonedBitmap?.Dispose(); } catch { }
                        try { item.Image = null; } catch { }
                    }
                    delaySaveImages.Clear();
                }
                return;
            }

            List<Models.DelaySaveImage> itemsToSave;
            lock (delaySaveImages)
            {
                itemsToSave = new List<Models.DelaySaveImage>(delaySaveImages);
                delaySaveImages.Clear();
            }

            var token = GetSafeSaveToken();
            foreach (var item in itemsToSave)
            {
                try
                {
                    if (token.IsCancellationRequested) break;

                    if (string.IsNullOrEmpty(_productService.CurrentProductCode))
                    {
                        _eventAggregator.GetEvent<TaskMessageNotification>()
                            .Publish(new MessageStruct()
                            {
                                Message = "当前产品SN不存在，无法保存图片！",
                                level = MessageLevel.Alarm
                            });
                        break;
                    }

                    LogHelper.WriteLogInfo("开始异步保存延迟图像");
                    await SaveImageAsync(
                        item.SaveImageModel,
                        item.SaveImagePathModel,
                        item.SavePath,
                        item.Image,
                        item.clonedBitmap,
                        item.Result,
                        item.IsCompress,
                        item.ImageFileName,
                        item.Is3DModel,
                        token
                    );
                }
                catch (OperationCanceledException) { break; }
                catch (Exception ex)
                {
                    LogHelper.WriteLogError("延迟保存图像任务出错！", ex);
                }
                finally
                {
                    try { item.clonedBitmap?.Dispose(); } catch { }
                    try { item.Image = null; } catch { }
                }
            }
        }

        private void ShowVisionRender_Unloaded(object sender, RoutedEventArgs e)
        {
            try { _saveImageCts.Cancel(); _saveImageCts.Dispose(); } catch { }

            // 释放延迟保存列表中的 Bitmap 资源
            lock (delaySaveImages)
            {
                foreach (var item in delaySaveImages)
                {
                    try { item.clonedBitmap?.Dispose(); } catch { }
                    try { item.Image = null; } catch { }
                }
                delaySaveImages.Clear();
            }
        }

        private void ProductChanged(ProductModel product)
        {
            this.gridRender.Dispatcher.BeginInvoke(new Action(() =>
            {
                var is3DEnabled = GetView3DUse();

                foreach (var item in vmRenders)
                {
                    try
                    {
                        // 2D：永远清理
                        var display2D = item.Value.Child as Cognex.VisionPro.CogRecordDisplay;
                        if (display2D != null)
                        {
                            display2D.Record = null;
                            display2D.Image = null;
                            display2D.StaticGraphics.Clear();
                            continue;
                        }

                        // 3D：仅在启用 3D 时清理
                        if (!is3DEnabled)
                            continue;

                        var display3D = item.Value.Child as Cognex.VisionPro3D.Cog3DDisplayV2WF;
                        if (display3D != null)
                        {
                            display3D.Clear();
                        }
                    }
                    catch (System.Windows.Forms.AxHost.InvalidActiveXStateException)
                    {
                        // 控件句柄/ActiveX 未就绪时忽略
                    }
                    catch (Exception ex)
                    {
                        LogHelper.WriteLogError(Lang.切换产品清除主页图像时出错, ex);
                    }
                }
            }));
        }

        private void OnDisplayDoubleClick(CogRecordDisplay disp)
        {
            if (disp == null)
                return;

            try
            {
                // 直接把当前 CogRecordDisplay 传给对话框 VM（VM 内部读取 Image/Record）
                var parameters = new Prism.Services.Dialogs.DialogParameters
                {
                    { "Cog", disp }
                };

                // Prism Dialog 必须在 WPF UI 线程调用
                Dispatcher.BeginInvoke(new Action(() =>
                {
                    try
                    {
                        _dialogService.ShowDialog("ImagePreviewWindow", parameters, r => { });
                    }
                    catch (Exception ex)
                    {
                        LogHelper.WriteLogError("打开 ImagePreviewWindow 失败", ex);
                    }
                }));
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError("双击打开预览窗口失败", ex);
            }
        }
    }
}