using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using System;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;
using System.Threading;
using XP.Common.GeneralForm.Views;
using XP.Common.Localization.Interfaces;
using XP.Common.Logging.Interfaces;
using XP.Hardware.RaySource.Abstractions;
using XP.Hardware.RaySource.Abstractions.Enums;
using XP.Hardware.RaySource.Abstractions.Events;
using XP.Hardware.RaySource.Config;
using XP.Hardware.RaySource.Services;

namespace XP.Hardware.RaySource.ViewModels
{
    /// <summary>
    /// 射线源配置视图模型 | X-Ray Source Config ViewModel
    /// 负责射线源初始化、连接、断开及设备状态监控 | Responsible for X-ray source init, connect, disconnect and device status monitoring
    /// </summary>
    public class RaySourceConfigViewModel : BindableBase, IDisposable
    {
        #region 字段 | Fields

        private readonly IRaySourceService _raySourceService;
        private readonly IEventAggregator _eventAggregator;
        private readonly RaySourceConfig _config;
        private readonly ILoggerService _logger;
        private readonly ILocalizationService _localizationService;
        private readonly IFilamentLifetimeService _filamentLifetimeService;
        private bool _isOperating = false;
        private bool _isDisposed = false;

        /// <summary>
        /// 灯丝寿命定时刷新定时器（60 秒间隔）| Filament lifetime refresh timer (60-second interval)
        /// </summary>
        private DispatcherTimer _lifetimeRefreshTimer;

        #endregion

        #region 连接属性 | Connection Properties

        /// <summary>
        /// 是否已初始化（代理到服务层）| Whether initialized (delegated to service layer)
        /// </summary>
        public bool IsInitialized => _raySourceService.IsInitialized;

        /// <summary>
        /// 通知 IsInitialized 变更并刷新相关命令状态 | Notify IsInitialized changed and refresh related command states
        /// </summary>
        private void NotifyInitializedChanged()
        {
            RaisePropertyChanged(nameof(IsInitialized));
            InitializeCommand?.RaiseCanExecuteChanged();
            ConnectVariablesCommand?.RaiseCanExecuteChanged();
            DisconnectCommand?.RaiseCanExecuteChanged();
            RaisePropertyChanged(nameof(ConnectionStatusText));
        }

        /// <summary>
        /// 射线源是否已建立完整连接（代理到服务层）| Whether fully connected (delegated to service layer)
        /// </summary>
        public bool IsConnected => _raySourceService.IsConnected;

        /// <summary>
        /// 通知 IsConnected 变更并刷新相关命令状态 | Notify IsConnected changed and refresh related command states
        /// </summary>
        private void NotifyConnectedChanged()
        {
            RaisePropertyChanged(nameof(IsConnected));
            ConnectVariablesCommand?.RaiseCanExecuteChanged();
            DisconnectCommand?.RaiseCanExecuteChanged();
            RaisePropertyChanged(nameof(ConnectionStatusText));
        }

        /// <summary>
        /// 连接状态文本 | Connection status text
        /// </summary>
        public string ConnectionStatusText
        {
            get
            {
                if (IsConnected)
                    return _localizationService.GetString("RaySource_VariablesConnected") ?? "变量已连接";
                if (IsInitialized)
                    return _localizationService.GetString("RaySource_Connected") ?? "已连接";
                return _localizationService.GetString("RaySource_Disconnected") ?? "未连接";
            }
        }

        /// <summary>
        /// 射线源类型显示 | Ray source type display
        /// </summary>
        public string SourceTypeText => _config.SourceType;

        #endregion

        #region 设备状态属性 | Device Status Properties

        private string _warmUpStatus = "--";
        /// <summary>
        /// 暖机状态 | Warm-up status
        /// </summary>
        public string WarmUpStatus
        {
            get => _warmUpStatus;
            private set => SetProperty(ref _warmUpStatus, value);
        }

        private string _vacuumStatus = "--";
        /// <summary>
        /// 真空状态 | Vacuum status
        /// </summary>
        public string VacuumStatus
        {
            get => _vacuumStatus;
            private set => SetProperty(ref _vacuumStatus, value);
        }

        private string _startUpStatus = "--";
        /// <summary>
        /// 启动状态 | Startup status
        /// </summary>
        public string StartUpStatus
        {
            get => _startUpStatus;
            private set => SetProperty(ref _startUpStatus, value);
        }

        private string _autoCenterStatus = "--";
        /// <summary>
        /// 自动定心状态 | Auto-center status
        /// </summary>
        public string AutoCenterStatus
        {
            get => _autoCenterStatus;
            private set => SetProperty(ref _autoCenterStatus, value);
        }

        private string _filamentAdjustStatus = "--";
        /// <summary>
        /// 灯丝校准状态 | Filament adjust status
        /// </summary>
        public string FilamentAdjustStatus
        {
            get => _filamentAdjustStatus;
            private set => SetProperty(ref _filamentAdjustStatus, value);
        }

        private string _powerMode = "--";
        /// <summary>
        /// 功率模式 | Power mode
        /// </summary>
        public string PowerMode
        {
            get => _powerMode;
            private set => SetProperty(ref _powerMode, value);
        }

        private bool _isInterlockActive;
        /// <summary>
        /// 连锁是否激活 | Whether interlock is active
        /// </summary>
        public bool IsInterlockActive
        {
            get => _isInterlockActive;
            private set
            {
                if (SetProperty(ref _isInterlockActive, value))
                {
                    RaisePropertyChanged(nameof(InterlockStatusText));
                    RefreshCommandStates();
                }
            }
        }

        /// <summary>
        /// 连锁状态文本 | Interlock status text
        /// </summary>
        public string InterlockStatusText => IsInterlockActive
            ? (_localizationService.GetString("RaySource_InterlockActive") ?? "激活")
            : (_localizationService.GetString("RaySource_InterlockNormal") ?? "未激活");

        private string _watchdogStatus = "--";
        /// <summary>
        /// 看门狗状态 | Watchdog status
        /// </summary>
        public string WatchdogStatus
        {
            get => _watchdogStatus;
            private set => SetProperty(ref _watchdogStatus, value);
        }

        private bool _isXRayOn;
        /// <summary>
        /// 射线开启状态 | X-ray on status
        /// </summary>
        public bool IsXRayOn
        {
            get => _isXRayOn;
            private set
            {
                if (SetProperty(ref _isXRayOn, value))
                    RaisePropertyChanged(nameof(XRayOnStatusText));
            }
        }

        /// <summary>
        /// 射线开启状态文本 | X-ray on status text
        /// </summary>
        public string XRayOnStatusText => IsXRayOn
            ? (_localizationService.GetString("RaySource_XRayOn") ?? "开启")
            : (_localizationService.GetString("RaySource_XRayOff") ?? "关闭");

        private string _txiStatus = "--";
        /// <summary>
        /// TXI状态 | TXI status
        /// </summary>
        public string TxiStatus
        {
            get => _txiStatus;
            private set => SetProperty(ref _txiStatus, value);
        }

        private double _filamentLifetime;
        /// <summary>
        /// 灯丝寿命百分比（0-100）| Filament lifetime percentage (0-100)
        /// </summary>
        public double FilamentLifetime
        {
            get => _filamentLifetime;
            private set => SetProperty(ref _filamentLifetime, value);
        }

        private string _filamentLifetimeText = "";
        /// <summary>
        /// 灯丝寿命显示文本（如 "123.4h / 1000.0h (12.3%)"）
        /// Filament lifetime display text (e.g. "123.4h / 1000.0h (12.3%)")
        /// </summary>
        public string FilamentLifetimeText
        {
            get => _filamentLifetimeText;
            private set => SetProperty(ref _filamentLifetimeText, value);
        }

        #endregion

        #region 命令 | Commands

        public DelegateCommand InitializeCommand { get; }
        public DelegateCommand ConnectVariablesCommand { get; }
        public DelegateCommand DisconnectCommand { get; }
        public DelegateCommand TxiOnCommand { get; }
        public DelegateCommand TxiOffCommand { get; }
        public DelegateCommand HighPowerCommand { get; }
        public DelegateCommand MicroFocusCommand { get; }
        public DelegateCommand WarmUpSettingCommand { get; }
        public DelegateCommand TrainingSettingCommand { get; }
        public DelegateCommand FilamentCalibrationCommand { get; }
        public DelegateCommand AutoCenterSettingCommand { get; }

        #endregion

        #region 构造函数 | Constructor

        public RaySourceConfigViewModel(
            IRaySourceService raySourceService,
            IEventAggregator eventAggregator,
            RaySourceConfig config,
            ILoggerService logger,
            ILocalizationService localizationService,
            IFilamentLifetimeService filamentLifetimeService)
        {
            _raySourceService = raySourceService ?? throw new ArgumentNullException(nameof(raySourceService));
            _eventAggregator = eventAggregator ?? throw new ArgumentNullException(nameof(eventAggregator));
            _config = config ?? throw new ArgumentNullException(nameof(config));
            _logger = (logger ?? throw new ArgumentNullException(nameof(logger))).ForModule("RaySource.ConfigVM");
            _localizationService = localizationService ?? throw new ArgumentNullException(nameof(localizationService));
            _filamentLifetimeService = filamentLifetimeService ?? throw new ArgumentNullException(nameof(filamentLifetimeService));

            InitializeCommand = new DelegateCommand(ExecuteInitialize, CanExecuteInitialize);
            ConnectVariablesCommand = new DelegateCommand(ExecuteConnectVariables, CanExecuteConnectVariables);
            DisconnectCommand = new DelegateCommand(ExecuteDisconnect, CanExecuteDisconnect);
            TxiOnCommand = new DelegateCommand(ExecuteTxiOn, CanExecuteDeviceCommand);
            TxiOffCommand = new DelegateCommand(ExecuteTxiOff, CanExecuteDeviceCommand);
            HighPowerCommand = new DelegateCommand(ExecuteHighPower, CanExecuteDeviceCommand);
            MicroFocusCommand = new DelegateCommand(ExecuteMicroFocus, CanExecuteDeviceCommand);
            WarmUpSettingCommand = new DelegateCommand(ExecuteWarmUpSetting, CanExecuteDeviceCommand);
            TrainingSettingCommand = new DelegateCommand(ExecuteTrainingSetting, CanExecuteDeviceCommand);
            FilamentCalibrationCommand = new DelegateCommand(ExecuteFilamentCalibration, CanExecuteDeviceCommand);
            AutoCenterSettingCommand = new DelegateCommand(ExecuteAutoCenterSetting, CanExecuteDeviceCommand);

            // 订阅事件 | Subscribe events
            _eventAggregator.GetEvent<RaySourceStatusChangedEvent>().Subscribe(OnRaySourceStatusChanged, ThreadOption.UIThread);
            _eventAggregator.GetEvent<StatusUpdatedEvent>().Subscribe(OnStatusUpdated, ThreadOption.UIThread);
            _eventAggregator.GetEvent<VariablesConnectedEvent>().Subscribe(OnVariablesConnectedChanged, ThreadOption.UIThread);

            // 同步当前状态 | Sync current state
            NotifyInitializedChanged();
            NotifyConnectedChanged();

            // 初始刷新灯丝寿命数据 | Initial refresh of filament lifetime data
            RefreshFilamentLifetime();

            // 启动灯丝寿命定时刷新（60 秒间隔）| Start filament lifetime periodic refresh (60-second interval)
            StartLifetimeRefreshTimer();

            _logger.Info("射线源配置视图模型已创建 | X-ray source config view model created");
        }

        #endregion

        #region 事件处理 | Event Handlers

        private void OnRaySourceStatusChanged(RaySourceStatus newStatus)
        {
            NotifyInitializedChanged();

            if (newStatus == RaySourceStatus.Unavailable && IsConnected)
            {
                NotifyConnectedChanged();
                ResetDeviceStatus();
            }
        }

        /// <summary>
        /// 状态更新事件处理：刷新设备状态面板 | Status updated event handler: refresh device status panel
        /// </summary>
        private void OnStatusUpdated(SystemStatusData data)
        {
            if (data == null) return;

            // 使用 StatusCodeMapper 将原始 code 映射为多语言文本 | Map raw codes to localized text
            WarmUpStatus = StatusCodeMapper.MapWarmUpStatus(data.WarmUpStatus, _localizationService);
            VacuumStatus = StatusCodeMapper.MapVacuumStatus(data.VacuumStatus, _localizationService);
            StartUpStatus = StatusCodeMapper.MapStartUpStatus(data.StartUpStatus, _localizationService);
            AutoCenterStatus = StatusCodeMapper.MapAutoCenterStatus(data.AutoCenterStatus, _localizationService);
            FilamentAdjustStatus = StatusCodeMapper.MapFilamentAdjustStatus(data.FilamentAdjustStatus, _localizationService);
            PowerMode = StatusCodeMapper.MapPowerMode(data.PowerMode, _localizationService);
            IsInterlockActive = data.IsInterlockActive;
            WatchdogStatus = data.WatchdogStatus ?? "--";
            IsXRayOn = data.IsXRayOn;
            TxiStatus = StatusCodeMapper.MapTxiStatus(data.TxiStatus, _localizationService);
        }

        /// <summary>
        /// 重置设备状态为默认值 | Reset device status to defaults
        /// </summary>
        private void ResetDeviceStatus()
        {
            WarmUpStatus = "--";
            VacuumStatus = "--";
            StartUpStatus = "--";
            AutoCenterStatus = "--";
            FilamentAdjustStatus = "--";
            PowerMode = "--";
            IsInterlockActive = false;
            WatchdogStatus = "--";
            IsXRayOn = false;
            TxiStatus = "--";
            FilamentLifetime = 0;
            FilamentLifetimeText = "";
        }

        /// <summary>
        /// 变量连接状态变更事件处理 | Variables connected state changed event handler
        /// </summary>
        private void OnVariablesConnectedChanged(bool isConnected)
        {
            NotifyConnectedChanged();
            // 同步初始化状态（自动初始化后服务状态可能已变）| Sync init state (service state may have changed after auto-init)
            NotifyInitializedChanged();
            _logger.Info("ConfigVM 收到变量连接状态变更: {IsConnected} | ConfigVM received variables connection state change: {IsConnected}", isConnected);
        }

        #endregion

        #region 命令执行逻辑 | Command Execution Logic

        /// <summary>
        /// 初始化命令执行逻辑 | Initialize command execution logic
        /// </summary>
        private async void ExecuteInitialize()
        {
            _isOperating = true;
            RefreshCommandStates();
            try
            {
                _logger.Info("用户请求初始化射线源 | User requested to initialize X-ray source");
                var result = await Task.Run(() => _raySourceService.Initialize());
                if (result.Success)
                {
                    NotifyInitializedChanged();
                    _logger.Info("射线源初始化成功 | X-ray source initialized successfully");
                }
                else
                {
                    _logger.Warn("射线源初始化失败: {Message} | X-ray source initialization failed: {Message}", result.ErrorMessage);
                    MessageBox.Show($"初始化失败: {result.ErrorMessage}", "错误", MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "初始化射线源异常: {Message} | Exception initializing X-ray source: {Message}", ex.Message);
                MessageBox.Show($"初始化异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
            }
            finally
            {
                _isOperating = false;
                RefreshCommandStates();
            }
        }

        /// <summary>
        /// 初始化命令是否可执行 | Can execute initialize command
        /// </summary>
        private bool CanExecuteInitialize() => !_isOperating && !IsInitialized;

        /// <summary>
        /// 连接变量命令执行逻辑 | Connect variables command execution logic
        /// </summary>
        private async void ExecuteConnectVariables()
        {
            _isOperating = true;
            RefreshCommandStates();
            try
            {
                _logger.Info("用户请求连接 PVI 变量 | User requested to connect PVI variables");
                var result = await Task.Run(() => _raySourceService.ConnectVariables());
                if (result.Success)
                {
                    // 不在此处设置 IsConnected，等待设备层 RaySourceConnected 推送通过 VariablesConnectedEvent 事件确认
                    // IsConnected will be set by VariablesConnectedEvent from device layer RaySourceConnected push
                    _logger.Info("PVI 变量连接命令已发送，等待设备确认 | PVI variable connection command sent, waiting for device confirmation");
                }
                else
                {
                    _logger.Warn("PVI 变量连接失败: {Message} | PVI variables connection failed: {Message}", result.ErrorMessage);
                    MessageBox.Show($"连接变量失败: {result.ErrorMessage}", "错误", MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "连接变量异常: {Message} | Exception connecting variables: {Message}", ex.Message);
                MessageBox.Show($"连接变量异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
            }
            finally
            {
                _isOperating = false;
                RefreshCommandStates();
            }
        }

        /// <summary>
        /// 连接变量命令是否可执行 | Can execute connect variables command
        /// </summary>
        private bool CanExecuteConnectVariables() => !_isOperating && IsInitialized && !IsConnected;

        /// <summary>
        /// 断开命令执行逻辑 | Disconnect command execution logic
        /// </summary>
        private async void ExecuteDisconnect()
        {
            _isOperating = true;
            RefreshCommandStates();
            try
            {
                _logger.Info("用户请求断开射线源 | User requested to disconnect X-ray source");
                var result = await Task.Run(() => _raySourceService.Disconnect());
                if (result.Success)
                {
                    NotifyConnectedChanged();
                    NotifyInitializedChanged();
                    _eventAggregator.GetEvent<VariablesConnectedEvent>().Publish(false);
                    ResetDeviceStatus();
                    _logger.Info("射线源已断开 | X-ray source disconnected");
                }
                else
                {
                    _logger.Warn("断开射线源失败: {Error} | Disconnect X-ray source failed: {Error}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage,
                        _localizationService.GetString("Message_OperationFailed") ?? "操作失败",
                        MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "断开射线源异常: {Message} | Exception disconnecting X-ray source: {Message}", ex.Message);
                MessageBox.Show($"断开异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
            }
            finally
            {
                _isOperating = false;
                RefreshCommandStates();
            }
        }

        /// <summary>
        /// 断开命令是否可执行 | Can execute disconnect command
        /// </summary>
        private bool CanExecuteDisconnect() => !_isOperating && IsInitialized;

        /// <summary>
        /// 刷新所有命令的可执行状态 | Refresh all command CanExecute states
        /// </summary>
        private void RefreshCommandStates()
        {
            InitializeCommand?.RaiseCanExecuteChanged();
            ConnectVariablesCommand?.RaiseCanExecuteChanged();
            DisconnectCommand?.RaiseCanExecuteChanged();
            TxiOnCommand?.RaiseCanExecuteChanged();
            TxiOffCommand?.RaiseCanExecuteChanged();
            HighPowerCommand?.RaiseCanExecuteChanged();
            MicroFocusCommand?.RaiseCanExecuteChanged();
            WarmUpSettingCommand?.RaiseCanExecuteChanged();
            TrainingSettingCommand?.RaiseCanExecuteChanged();
            FilamentCalibrationCommand?.RaiseCanExecuteChanged();
            AutoCenterSettingCommand?.RaiseCanExecuteChanged();
        }

        /// <summary>
        /// 设备命令是否可执行（需已连接变量）| Can execute device command (requires variables connected)
        /// </summary>
        private bool CanExecuteDeviceCommand() => !_isOperating && IsConnected && IsInitialized && IsInterlockActive;

        /// <summary>
        /// TXI 开启 | TXI On
        /// </summary>
        private void ExecuteTxiOn()
        {
            _logger.Info("用户请求 TXI ON | User requested TXI ON");
            try
            {
                var result = _raySourceService.TxiOn();
                if (!result.Success)
                {
                    _logger.Error(null, "TXI ON 失败: {ErrorMessage}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage,
                        _localizationService.GetString("RaySource_OperationFailed") ?? "操作失败",
                        MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "TXI ON 异常: {Message}", ex.Message);
            }
        }

        /// <summary>
        /// TXI 关闭 | TXI Off
        /// </summary>
        private void ExecuteTxiOff()
        {
            _logger.Info("用户请求 TXI OFF | User requested TXI OFF");
            try
            {
                var result = _raySourceService.TxiOff();
                if (!result.Success)
                {
                    _logger.Error(null, "TXI OFF 失败: {ErrorMessage}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage,
                        _localizationService.GetString("RaySource_OperationFailed") ?? "操作失败",
                        MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "TXI OFF 异常: {Message}", ex.Message);
            }
        }

        /// <summary>
        /// 切换到高功率模式 | Switch to High Power mode
        /// </summary>
        private void ExecuteHighPower()
        {
            _logger.Info("用户请求切换到 High Power 模式 | User requested switch to High Power mode");
            try
            {
                var result = _raySourceService.SetPowerMode(2);
                if (!result.Success)
                {
                    _logger.Error(null, "切换 High Power 模式失败: {ErrorMessage}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage,
                        _localizationService.GetString("RaySource_OperationFailed") ?? "操作失败",
                        MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "切换 High Power 模式异常: {Message}", ex.Message);
            }
        }

        /// <summary>
        /// 切换到微焦点模式 | Switch to Micro Focus mode
        /// </summary>
        private void ExecuteMicroFocus()
        {
            _logger.Info("用户请求切换到 Micro Focus 模式 | User requested switch to Micro Focus mode");
            try
            {
                var result = _raySourceService.SetPowerMode(1);
                if (!result.Success)
                {
                    _logger.Error(null, "切换 Micro Focus 模式失败: {ErrorMessage}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage,
                        _localizationService.GetString("RaySource_OperationFailed") ?? "操作失败",
                        MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "切换 Micro Focus 模式异常: {Message}", ex.Message);
            }
        }

        /// <summary>
        /// 暖机设置 | Warm-up setting
        /// 参照旧代码：确认对话框 → 显示进度条 → 发送暖机命令
        /// </summary>
        private async void ExecuteWarmUpSetting()
        {
            _logger.Info("用户打开暖机设置 | User opened warm-up setting");

            var confirmResult = MessageBox.Show(
                _localizationService.GetString("RaySource_WarmUp_Confirm") ?? "是否确认执行暖机操作？",
                _localizationService.GetString("RaySource_Confirm_Title") ?? "确认",
                MessageBoxButton.YesNo, MessageBoxImage.Question);

            if (confirmResult != MessageBoxResult.Yes)
            {
                _logger.Info("用户取消暖机操作 | User cancelled warm-up operation");
                return;
            }

            await ExecuteLongRunningOperation(
                _localizationService.GetString("RaySource_WarmUp_Title") ?? "暖机设置",
                _localizationService.GetString("RaySource_WarmUp_Message") ?? "正在执行暖机操作，请稍候...",
                () => _raySourceService.WarmUp(),
                OperationType.WarmUp,
                _config.WarmUpTimeout);
        }

        /// <summary>
        /// 训机设置 | Training setting
        /// 参照旧代码：确认对话框 → 显示进度条 → 发送训机命令
        /// </summary>
        private async void ExecuteTrainingSetting()
        {
            _logger.Info("用户打开训机设置 | User opened training setting");

            var confirmResult = MessageBox.Show(
                _localizationService.GetString("RaySource_Training_Confirm") ?? "是否确认执行训机操作？",
                _localizationService.GetString("RaySource_Confirm_Title") ?? "确认",
                MessageBoxButton.YesNo, MessageBoxImage.Question);

            if (confirmResult != MessageBoxResult.Yes)
            {
                _logger.Info("用户取消训机操作 | User cancelled training operation");
                return;
            }

            await ExecuteLongRunningOperation(
                _localizationService.GetString("RaySource_Training_Title") ?? "训机设置",
                _localizationService.GetString("RaySource_Training_Message") ?? "正在执行训机操作，请稍候...",
                () => _raySourceService.Training(),
                OperationType.Training,
                _config.StartUpTimeout);
        }

        /// <summary>
        /// 灯丝校准 | Filament calibration
        /// 参照旧代码：确认对话框 → 显示进度条 → 发送灯丝校准命令
        /// </summary>
        private async void ExecuteFilamentCalibration()
        {
            _logger.Info("用户请求灯丝校准 | User requested filament calibration");

            var confirmResult = MessageBox.Show(
                _localizationService.GetString("RaySource_FilamentCalibration_Confirm") ?? "是否确认执行灯丝校准操作？",
                _localizationService.GetString("RaySource_Confirm_Title") ?? "确认",
                MessageBoxButton.YesNo, MessageBoxImage.Question);

            if (confirmResult != MessageBoxResult.Yes)
            {
                _logger.Info("用户取消灯丝校准操作 | User cancelled filament calibration operation");
                return;
            }

            await ExecuteLongRunningOperation(
                _localizationService.GetString("RaySource_FilamentCalibration_Title") ?? "灯丝校准",
                _localizationService.GetString("RaySource_FilamentCalibration_Message") ?? "正在执行灯丝校准操作，请稍候...",
                () => _raySourceService.FilamentCalibration(),
                OperationType.FilamentCalibration,
                _config.FilamentAdjustTimeout);
        }

        /// <summary>
        /// 自动定心设置 | Auto-center setting
        /// 参照旧代码：确认对话框 → 显示进度条 → 发送全部电压自动定心命令
        /// </summary>
        private async void ExecuteAutoCenterSetting()
        {
            _logger.Info("用户请求自动定心 | User requested auto-center");

            var confirmResult = MessageBox.Show(
                _localizationService.GetString("RaySource_AutoCenter_Confirm") ?? "是否确认执行全部电压自动定心操作？",
                _localizationService.GetString("RaySource_Confirm_Title") ?? "确认",
                MessageBoxButton.YesNo, MessageBoxImage.Question);

            if (confirmResult != MessageBoxResult.Yes)
            {
                _logger.Info("用户取消自动定心操作 | User cancelled auto-center operation");
                return;
            }

            await ExecuteLongRunningOperation(
                _localizationService.GetString("RaySource_AutoCenter_Title") ?? "自动定心",
                _localizationService.GetString("RaySource_AutoCenter_Message") ?? "正在执行全部电压自动定心操作，请稍候...",
                () => _raySourceService.AutoCenter(),
                OperationType.AutoCenter,
                _config.AutoCenterTimeout);
        }

        /// <summary>
        /// 执行长时间运行操作的通用方法（显示进度条窗口，实时跟踪设备进度）
        /// 发送指令后订阅 StatusUpdatedEvent，根据实时电压/电流/状态字符串计算进度
        /// </summary>
        /// <param name="title">进度窗口标题</param>
        /// <param name="message">进度窗口提示信息</param>
        /// <param name="operation">要执行的操作（发送指令）</param>
        /// <param name="operationType">操作类型（用于选择进度计算策略）</param>
        /// <param name="timeoutMs">超时时间（毫秒）</param>
        private async Task ExecuteLongRunningOperation(
            string title, string message, Func<XRayResult> operation,
            OperationType operationType, int timeoutMs)
        {
            var progressWindow = new ProgressWindow(
                title: title,
                message: message,
                isCancelable: false,
                logger: _logger);

            var calculator = new OperationProgressCalculator(operationType, _config);
            var completionSource = new TaskCompletionSource<bool>();
            var cts = new CancellationTokenSource(timeoutMs);

            // 状态更新事件处理：计算进度并更新窗口 | Status update handler: calculate progress and update window
            void OnProgressStatusUpdated(SystemStatusData data)
            {
                if (data == null) return;
                var result = calculator.Calculate(data);
                progressWindow.UpdateProgress(message, result.Progress);

                if (result.IsCompleted && !completionSource.Task.IsCompleted)
                {
                    completionSource.TrySetResult(true);
                }
            }

            try
            {
                _isOperating = true;
                RefreshCommandStates();

                progressWindow.Show();
                progressWindow.UpdateProgress(message, 0);

                // 订阅状态更新事件以跟踪进度 | Subscribe to status update event for progress tracking
                _eventAggregator.GetEvent<StatusUpdatedEvent>().Subscribe(OnProgressStatusUpdated, ThreadOption.UIThread);

                // 在后台线程发送操作指令 | Send operation command on background thread
                var cmdResult = await Task.Run(() => operation());

                if (!cmdResult.Success)
                {
                    _logger.Error(null, "{Title} 操作失败: {ErrorMessage}", title, cmdResult.ErrorMessage);
                    MessageBox.Show(cmdResult.ErrorMessage,
                        _localizationService.GetString("RaySource_OperationFailed") ?? "操作失败",
                        MessageBoxButton.OK, MessageBoxImage.Warning);
                    return;
                }

                _logger.Info("{Title} 操作指令已发送，等待设备完成 | {Title} command sent, waiting for device completion", title);

                // 等待完成或超时 | Wait for completion or timeout
                using (cts.Token.Register(() => completionSource.TrySetResult(false)))
                {
                    var completed = await completionSource.Task;

                    if (completed)
                    {
                        progressWindow.UpdateProgress(
                            _localizationService.GetString("RaySource_Operation_Completed") ?? "操作已完成", 100);
                        _logger.Info("{Title} 操作已完成 | {Title} operation completed", title);
                        await Task.Delay(1500); // 短暂停留让用户看到完成状态 | Brief pause for user to see completion
                    }
                    else
                    {
                        _logger.Warn("{Title} 操作超时（{Timeout}ms）| {Title} operation timed out ({Timeout}ms)", title, timeoutMs);
                        MessageBox.Show(
                            _localizationService.GetString("RaySource_Operation_Timeout") ?? "操作超时，请检查设备状态。",
                            _localizationService.GetString("RaySource_Warning") ?? "警告",
                            MessageBoxButton.OK, MessageBoxImage.Warning);
                    }
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "{Title} 操作异常: {Message}", title, ex.Message);
            }
            finally
            {
                // 取消订阅状态更新事件 | Unsubscribe from status update event
                _eventAggregator.GetEvent<StatusUpdatedEvent>().Unsubscribe(OnProgressStatusUpdated);
                cts.Dispose();
                _isOperating = false;
                RefreshCommandStates();
                progressWindow.Close();
            }
        }

        /// <summary>
        /// 从灯丝寿命服务获取最新数据并刷新 UI 属性（纯展示，不含计算逻辑）
        /// Refresh filament lifetime UI properties from service (display only, no calculation logic)
        /// </summary>
        private void RefreshFilamentLifetime()
        {
            try
            {
                if (!_filamentLifetimeService.IsInitialized)
                    return;

                // 从服务获取数据 | Get data from service
                var percentage = _filamentLifetimeService.GetLifetimePercentage();
                var totalSeconds = _filamentLifetimeService.GetCurrentTotalLifeSeconds();
                var thresholdSeconds = _filamentLifetimeService.GetThresholdSeconds();

                // 转换为小时（保留一位小数）| Convert to hours (one decimal place)
                var totalHours = totalSeconds / 3600.0;
                var thresholdHours = thresholdSeconds / 3600.0;

                // 更新 UI 属性 | Update UI properties
                FilamentLifetime = percentage;
                FilamentLifetimeText = $"{totalHours:F1}h / {thresholdHours:F1}h ({percentage:F1}%)";
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "刷新灯丝寿命数据失败 | Failed to refresh filament lifetime data: {Message}", ex.Message);
            }
        }

        /// <summary>
        /// 启动灯丝寿命定时刷新定时器 | Start filament lifetime periodic refresh timer
        /// </summary>
        private void StartLifetimeRefreshTimer()
        {
            _lifetimeRefreshTimer = new DispatcherTimer
            {
                Interval = TimeSpan.FromSeconds(60)
            };
            _lifetimeRefreshTimer.Tick += OnLifetimeRefreshTimerTick;
            _lifetimeRefreshTimer.Start();
            _logger.Debug("灯丝寿命定时刷新已启动（间隔 60 秒）| Filament lifetime refresh timer started (60s interval)");
        }

        /// <summary>
        /// 停止灯丝寿命定时刷新定时器 | Stop filament lifetime periodic refresh timer
        /// </summary>
        private void StopLifetimeRefreshTimer()
        {
            if (_lifetimeRefreshTimer != null)
            {
                _lifetimeRefreshTimer.Stop();
                _lifetimeRefreshTimer.Tick -= OnLifetimeRefreshTimerTick;
                _lifetimeRefreshTimer = null;
                _logger.Debug("灯丝寿命定时刷新已停止 | Filament lifetime refresh timer stopped");
            }
        }

        /// <summary>
        /// 定时器 Tick 事件处理：刷新灯丝寿命数据 | Timer tick handler: refresh filament lifetime data
        /// </summary>
        private void OnLifetimeRefreshTimerTick(object sender, EventArgs e)
        {
            RefreshFilamentLifetime();
        }

        #endregion

        #region IDisposable 实现 | IDisposable Implementation

        /// <summary>
        /// 释放资源：停止定时器、取消事件订阅 | Dispose resources: stop timer, unsubscribe events
        /// </summary>
        public void Dispose()
        {
            if (!_isDisposed)
            {
                // 停止灯丝寿命定时刷新 | Stop filament lifetime refresh timer
                StopLifetimeRefreshTimer();

                // 取消事件订阅 | Unsubscribe events
                _eventAggregator.GetEvent<RaySourceStatusChangedEvent>().Unsubscribe(OnRaySourceStatusChanged);
                _eventAggregator.GetEvent<StatusUpdatedEvent>().Unsubscribe(OnStatusUpdated);
                _eventAggregator.GetEvent<VariablesConnectedEvent>().Unsubscribe(OnVariablesConnectedChanged);

                _isDisposed = true;
                _logger.Info("射线源配置视图模型已释放 | X-ray source config view model disposed");
            }
        }

        #endregion
    }
}