using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using System;
using System.Threading.Tasks;
using System.Windows;
using XP.Common.Helpers;
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>
    /// 射线源操作视图模型 | X-Ray Source Operate ViewModel
    /// 负责射线源开关控制、电压电流调节、状态监控 | Responsible for X-ray on/off control, voltage/current adjustment, status monitoring
    /// </summary>
    public class RaySourceOperateViewModel : 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 bool _isDisposed = false;
        private bool _isOperating = false;
        private bool _isVariablesConnected = false;
        private bool _autoInitialized = false;
        private Views.RaySourceConfigWindow _configWindow;

        /// <summary>
        /// 标记当前是否正在从设备反馈更新值（防止 code-behind 误触发写入）
        /// Flag indicating whether values are being updated from device feedback (prevents code-behind from triggering writes)
        /// </summary>
        public bool IsUpdatingFromDevice { get; private set; } = false;

        #endregion

        #region 状态属性 | Status Properties

        private RaySourceStatus _raySourceStatus = RaySourceStatus.Unavailable;
        /// <summary>
        /// 射线源状态（不可用/关闭/开启）| X-ray source status (Unavailable/Closed/Opened)
        /// </summary>
        public RaySourceStatus RaySourceStatus
        {
            get => _raySourceStatus;
            set
            {
                if (SetProperty(ref _raySourceStatus, value))
                {
                    RaisePropertyChanged(nameof(StatusText));
                    RaisePropertyChanged(nameof(IsSlidersEnabled));
                    TurnOnCommand?.RaiseCanExecuteChanged();
                    TurnOffCommand?.RaiseCanExecuteChanged();
                }
            }
        }

        /// <summary>
        /// 状态文本（绑定到腰圆内的文字）| Status text (bound to capsule text)
        /// </summary>
        public string StatusText
        {
            get
            {
                return RaySourceStatus switch
                {
                    RaySourceStatus.Unavailable => $"{_localizationService.GetString("RaySource_StatusUnavailable")}",
                    RaySourceStatus.Closed => _localizationService.GetString("RaySource_StatusClosed"),
                    RaySourceStatus.Opened => _localizationService.GetString("RaySource_StatusOpened"),
                    _ => _localizationService.GetString("RaySource_StatusUnavailable")
                };
            }
        }

        /// <summary>
        /// 滑块是否启用（仅服务已初始化时可调节）| Sliders enabled (only when service is initialized)
        /// </summary>
        public bool IsSlidersEnabled => _raySourceService.IsInitialized && _isVariablesConnected;

        /// <summary>
        /// PVI 变量是否已连接 | Whether PVI variables are connected
        /// </summary>
        public bool IsVariablesConnected
        {
            get => _isVariablesConnected;
            private set
            {
                if (SetProperty(ref _isVariablesConnected, value))
                {
                    RaisePropertyChanged(nameof(IsSlidersEnabled));
                    TurnOnCommand?.RaiseCanExecuteChanged();
                    TurnOffCommand?.RaiseCanExecuteChanged();
                }
            }
        }

        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))
                {
                    TurnOnCommand?.RaiseCanExecuteChanged();
                }
            }
        }

        #endregion

        #region 电压属性 | Voltage Properties

        private double _voltageMin;
        /// <summary>
        /// 电压最小值（kV）| Voltage minimum (kV)
        /// </summary>
        public double VoltageMin
        {
            get => _voltageMin;
            set => SetProperty(ref _voltageMin, value);
        }

        private double _voltageMax;
        /// <summary>
        /// 电压最大值（kV）| Voltage maximum (kV)
        /// </summary>
        public double VoltageMax
        {
            get => _voltageMax;
            set => SetProperty(ref _voltageMax, value);
        }

        private double _voltageValue;
        /// <summary>
        /// 电压滑块值（kV），仅更新UI显示，不自动写入硬件 | Voltage slider value (kV), UI display only, no auto write to hardware
        /// </summary>
        public double VoltageValue
        {
            get => _voltageValue;
            set => SetProperty(ref _voltageValue, Math.Round(value, 0));
        }

        private double _voltageActual;
        /// <summary>
        /// 电压实际值（kV）| Voltage actual value (kV)
        /// </summary>
        public double VoltageActual
        {
            get => _voltageActual;
            set => SetProperty(ref _voltageActual, value);
        }

        /// <summary>
        /// 电压实际值显示文本 | Voltage actual value display text
        /// </summary>
        public string VoltageActualText => string.Format(_localizationService.GetString("RaySource_ActualValueLabel"), VoltageActual.ToString("F1"));

        #endregion

        #region 电流属性 | Current Properties

        private double _currentMin;
        /// <summary>
        /// 电流最小值（μA）| Current minimum (μA)
        /// </summary>
        public double CurrentMin
        {
            get => _currentMin;
            set => SetProperty(ref _currentMin, value);
        }

        private double _currentMax;
        /// <summary>
        /// 电流最大值（μA）| Current maximum (μA)
        /// </summary>
        public double CurrentMax
        {
            get => _currentMax;
            set => SetProperty(ref _currentMax, value);
        }

        private double _currentValue;
        /// <summary>
        /// 电流滑块值（μA），仅更新UI显示，不自动写入硬件 | Current slider value (μA), UI display only, no auto write to hardware
        /// </summary>
        public double CurrentValue
        {
            get => _currentValue;
            set => SetProperty(ref _currentValue, Math.Round(value, 0));
        }

        private double _currentActual;
        /// <summary>
        /// 电流实际值（μA）| Current actual value (μA)
        /// </summary>
        public double CurrentActual
        {
            get => _currentActual;
            set => SetProperty(ref _currentActual, value);
        }

        /// <summary>
        /// 电流实际值显示文本 | Current actual value display text
        /// </summary>
        public string CurrentActualText => string.Format(_localizationService.GetString("RaySource_ActualValueLabel"), CurrentActual.ToString("F1"));

        #endregion

        #region 命令 | Commands

        /// <summary>
        /// 开启射线源命令 | Turn on X-ray command
        /// </summary>
        public DelegateCommand TurnOnCommand { get; }

        /// <summary>
        /// 关闭射线源命令 | Turn off X-ray command
        /// </summary>
        public DelegateCommand TurnOffCommand { get; }

        /// <summary>
        /// 提交电压值命令（滑块松手/输入框失焦时触发）| Apply voltage command (triggered on slider drag complete / input lost focus)
        /// </summary>
        public DelegateCommand ApplyVoltageCommand { get; }

        /// <summary>
        /// 提交电流值命令（滑块松手/输入框失焦时触发）| Apply current command (triggered on slider drag complete / input lost focus)
        /// </summary>
        public DelegateCommand ApplyCurrentCommand { get; }

        /// <summary>
        /// 设置命令（预留接口）| Settings command (reserved interface)
        /// </summary>
        public DelegateCommand SettingsCommand { get; }

        /// <summary>
        /// 配置命令（打开射线源配置窗口）| Config command (open ray source config window)
        /// </summary>
        public DelegateCommand ConfigCommand { get; }

        #endregion

        #region 构造函数 | Constructor

        /// <summary>
        /// 构造函数 | Constructor
        /// </summary>
        public RaySourceOperateViewModel(
            IRaySourceService raySourceService,
            IEventAggregator eventAggregator,
            RaySourceConfig config,
            ILoggerService logger,
            ILocalizationService localizationService)
        {
            _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.ViewModel");
            _localizationService = localizationService ?? throw new ArgumentNullException(nameof(localizationService));

            _logger.Info("射线源操作视图模型已创建 | X-ray source operate view model created");

            // 初始化极值 | Initialize min/max values
            VoltageMin = _config.MinVoltage;
            VoltageMax = _config.MaxVoltage;
            CurrentMin = _config.MinCurrent;
            CurrentMax = _config.MaxCurrent;

            // 初始化滑块默认值 | Initialize slider default values
            VoltageValue = _config.MinVoltage;  //中间值：(_config.MinVoltage + _config.MaxVoltage) / 2;
            CurrentValue = _config.MinCurrent;  //中间值：(_config.MinCurrent + _config.MaxCurrent) / 2;

            // 初始化命令 | Initialize commands
            TurnOnCommand = new DelegateCommand(ExecuteTurnOn, CanExecuteTurnOn);
            TurnOffCommand = new DelegateCommand(ExecuteTurnOff, CanExecuteTurnOff);
            ApplyVoltageCommand = new DelegateCommand(ApplyVoltage);
            ApplyCurrentCommand = new DelegateCommand(ApplyCurrent);
            SettingsCommand = new DelegateCommand(ExecuteSettings, CanExecuteSettings);
            ConfigCommand = new DelegateCommand(ExecuteConfig);

            // 订阅事件 | Subscribe to events
            SubscribeEvents();

            // 初始化状态 | Initialize status
            UpdateStatusFromService();
        }

        #endregion

        #region 事件订阅 | Event Subscription

        /// <summary>
        /// 订阅事件 | Subscribe to events
        /// </summary>
        private void SubscribeEvents()
        {
            // 订阅射线源状态变更事件（三态）| Subscribe to ray source status changed event (tri-state)
            _eventAggregator.GetEvent<RaySourceStatusChangedEvent>().Subscribe(OnRaySourceStatusChanged, ThreadOption.UIThread);

            // 订阅状态更新事件 | Subscribe to status updated event
            _eventAggregator.GetEvent<StatusUpdatedEvent>().Subscribe(OnStatusUpdated, ThreadOption.UIThread);

            // 订阅错误事件 | Subscribe to error event
            _eventAggregator.GetEvent<ErrorOccurredEvent>().Subscribe(OnErrorOccurred, ThreadOption.UIThread);

            // 订阅操作结果事件 | Subscribe to operation result event
            _eventAggregator.GetEvent<OperationResultEvent>().Subscribe(OnOperationResult, ThreadOption.UIThread);

            // 订阅变量连接状态变更事件 | Subscribe to variables connected event
            _eventAggregator.GetEvent<VariablesConnectedEvent>().Subscribe(OnVariablesConnectedChanged, ThreadOption.UIThread);
        }

        /// <summary>
        /// 射线源状态变更事件处理（三态）| Ray source status changed event handler (tri-state)
        /// </summary>
        private void OnRaySourceStatusChanged(RaySourceStatus newStatus)
        {
            var previousStatus = RaySourceStatus;
            RaySourceStatus = newStatus;
            RaisePropertyChanged(nameof(IsSlidersEnabled));

            // 连接恢复处理：从不可用变为已连接，主动读取最新状态刷新UI | Connection restored: from unavailable to connected, actively read latest status to refresh UI
            if (previousStatus == RaySourceStatus.Unavailable &&
                (newStatus == RaySourceStatus.Opened || newStatus == RaySourceStatus.Closed))
            {
                _logger.Info("射线源连接已建立 | Ray Source Connected");
            }

            // 异常断联处理：从已连接状态变为不可用 | Handle unexpected disconnection: from connected to unavailable
            if (newStatus == RaySourceStatus.Unavailable && 
                (previousStatus == RaySourceStatus.Opened || previousStatus == RaySourceStatus.Closed))
            {
                // 断联时重置变量连接状态 | Reset variable connection state on disconnection
                IsVariablesConnected = false;
                _logger.Warn("ViewModel 检测到连接丢失（状态变为 Unavailable）| ViewModel detected connection lost (status changed to Unavailable)");
                //MessageBox.Show("射线源连接丢失，请检查设备连接后重新初始化。", "连接丢失", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// 状态更新事件处理 | Status updated event handler
        /// 仅在实际值真正变化时更新滑块/输入框，避免无意义赋值触发事件链
        /// Only update slider/input when actual value truly changed, avoiding unnecessary assignment triggering event chain
        /// </summary>
        private void OnStatusUpdated(SystemStatusData statusData)
        {
            if (statusData == null) return;

            IsUpdatingFromDevice = true;
            try
            {
                // 电压实际值变化时，仅更新实际值标签显示 | When actual voltage changes, only update actual value label
                if (Math.Abs(statusData.ActualVoltage - VoltageActual) > 0.01)
                {
                    VoltageActual = statusData.ActualVoltage;
                    RaisePropertyChanged(nameof(VoltageActualText));
                }

                // 电流实际值变化时，仅更新实际值标签显示 | When actual current changes, only update actual value label
                if (Math.Abs(statusData.ActualCurrent - CurrentActual) > 0.01)
                {
                    CurrentActual = statusData.ActualCurrent;
                    RaisePropertyChanged(nameof(CurrentActualText));
                }

                // 设定电压反馈同步到滑块（仅设备反馈时更新，人工操作时 IsUpdatingFromDevice=false 不会进入此处）
                // Sync set voltage feedback to slider (only during device feedback, not during manual operation)
                if (statusData.SetVoltage >= _config.MinVoltage && Math.Abs(statusData.SetVoltage - VoltageValue) > 0.5)
                {
                    VoltageValue = Math.Round(statusData.SetVoltage, 0);
                }

                // 设定电流反馈同步到滑块 | Sync set current feedback to slider
                if (statusData.SetCurrent >= _config.MinCurrent && Math.Abs(statusData.SetCurrent - CurrentValue) > 0.5)
                {
                    CurrentValue = Math.Round(statusData.SetCurrent, 0);
                }

                // 使用服务层的权威状态 | Use authoritative status from service layer
                RaySourceStatus = _raySourceService.CurrentStatus;

                // 同步连锁状态 | Sync interlock status
                IsInterlockActive = statusData.IsInterlockActive;
            }
            finally
            {
                IsUpdatingFromDevice = false;
            }
        }

        /// <summary>
        /// 错误事件处理 | Error event handler
        /// </summary>
        private void OnErrorOccurred(string errorMessage)
        {
            // 显示错误消息 | Show error message
            MessageBox.Show(errorMessage, "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }

        /// <summary>
        /// 操作结果事件处理 | Operation result event handler
        /// </summary>
        private void OnOperationResult(OperationResultData resultData)
        {
            if (resultData == null) return;

            if (!resultData.IsSuccess)
            {
                // 操作失败时显示消息 | Show message when operation fails
                MessageBox.Show(resultData.Message, "操作失败", MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }

        /// <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)
        {
            IsVariablesConnected = isConnected;
            _logger.Info("收到变量连接状态变更: {IsConnected} | Received variables connection state change: {IsConnected}", isConnected);
            if (isConnected)
            {
                _logger.Info("变量已连接，主动读取最新状态 | Variables Connected, actively reading latest status");
                RefreshStatusFromDevice();
            }
        }

        #endregion

        #region 命令执行逻辑 | Command Execution Logic

        /// <summary>
        /// 开启射线源执行逻辑 | Turn on X-ray execution logic
        /// </summary>
        private void ExecuteTurnOn()
        {
            _isOperating = true;
            TurnOnCommand.RaiseCanExecuteChanged();
            TurnOffCommand.RaiseCanExecuteChanged();
            try
            {
                _logger.Info("用户请求开启射线 | User requested to turn on X-ray");
                var result = _raySourceService.TurnOn();
                if (result.Success)
                {
                    _logger.Info("射线开启指令发送成功 | X-ray turned on successfully");
                }
                else
                {
                    _logger.Warn("射线开启指令发送失败: {Error} | X-ray turn on failed: {Error}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage, "开启失败", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "开启射线源异常: {Message} | Exception turning on X-ray: {Message}", ex.Message);
                MessageBox.Show($"开启射线源异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
            }
            finally
            {
                _isOperating = false;
                TurnOnCommand.RaiseCanExecuteChanged();
                TurnOffCommand.RaiseCanExecuteChanged();
            }
        }

        /// <summary>
        /// 开启命令是否可执行（仅关闭状态且连锁激活时可执行）| Can execute turn on command (only when closed and interlock active)
        /// </summary>
        private bool CanExecuteTurnOn()
        {
            return !_isOperating && _isVariablesConnected && IsInterlockActive && RaySourceStatus == RaySourceStatus.Closed && _raySourceService.IsInitialized;
        }

        /// <summary>
        /// 关闭射线源执行逻辑 | Turn off X-ray execution logic
        /// </summary>
        private void ExecuteTurnOff()
        {
            _isOperating = true;
            TurnOnCommand.RaiseCanExecuteChanged();
            TurnOffCommand.RaiseCanExecuteChanged();
            try
            {
                _logger.Info("用户请求关闭射线 | User requested to turn off X-ray");
                var result = _raySourceService.TurnOff();
                if (result.Success)
                {
                    _logger.Info("射线关闭指令发送成功 | X-ray turned off successfully");
                }
                else
                {
                    _logger.Warn("射线关闭指令发送失败: {Error} | X-ray turn off failed: {Error}", result.ErrorMessage);
                    MessageBox.Show(result.ErrorMessage, "关闭失败", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "关闭射线源异常: {Message} | Exception turning off X-ray: {Message}", ex.Message);
                MessageBox.Show($"关闭射线源异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
            }
            finally
            {
                _isOperating = false;
                TurnOnCommand.RaiseCanExecuteChanged();
                TurnOffCommand.RaiseCanExecuteChanged();
            }
        }

        /// <summary>
        /// 关闭命令是否可执行（仅开启状态可执行）| Can execute turn off command (only when opened)
        /// </summary>
        private bool CanExecuteTurnOff()
        {
            return !_isOperating && _isVariablesConnected && RaySourceStatus == RaySourceStatus.Opened && _raySourceService.IsInitialized;
        }

        /// <summary>
        /// 设置命令执行逻辑：打开外部高级设置程序 | Settings command: launch external advance settings program
        /// 如果程序已运行则将窗口置前 | If program is already running, bring its window to front
        /// </summary>
        private void ExecuteSettings()
        {
            var exePath = _config.AdvanceExePath;
            _logger.Info("用户点击高级按钮，目标程序: {ExePath} | User clicked advance button, target program: {ExePath}", exePath);

            var result = ProcessHelper.StartOrActivate(exePath, true);

            if (result.Success)
            {
                var action = result.IsNewlyStarted ? "已启动 | started" : "已激活 | activated";
                _logger.Info("外部程序{Action} | External program {Action}", action, action);
            }
            else
            {
                _logger.Warn("外部程序操作失败: {Error} | External program operation failed: {Error}", result.ErrorMessage);
                MessageBox.Show(result.ErrorMessage,
                    _localizationService.GetString("RaySource_Warning") ?? "警告",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }

        /// <summary>
        /// 设置命令是否可执行 | Can execute settings command
        /// </summary>
        private bool CanExecuteSettings()
        {
            return true; // 始终可用 | Always available
        }

        /// <summary>
        /// 配置命令执行逻辑：打开射线源配置窗口 | Config command: open ray source config window
        /// </summary>
        private void ExecuteConfig()
        {
            _logger.Info("用户点击配置按钮 | User clicked config button");

            // 如果窗口已存在且未关闭，激活它而不是重复创建
            if (_configWindow != null && _configWindow.IsLoaded)
            {
                _configWindow.Activate();
                return;
            }

            _configWindow = new Views.RaySourceConfigWindow
            {
                Owner = Application.Current.MainWindow,
                ShowInTaskbar = false
            };
            _configWindow.Closed += (s, e) => _configWindow = null;
            _configWindow.Show();
        }

        /// <summary>
        /// 提交电压值到硬件（滑块松手/输入框失焦时调用）| Apply voltage to hardware (called on slider drag complete / input lost focus)
        /// </summary>
        private void ApplyVoltage()
        {
            var voltage = (float)VoltageValue;

            if (!IsSlidersEnabled) return;

            // 范围校验 | Range validation
            if (voltage < _config.MinVoltage || voltage > _config.MaxVoltage)
            {
                _logger.Warn("电压值超出范围: {Voltage}kV，忽略提交 | Voltage out of range: {Voltage}kV, ignoring apply", voltage);
                return;
            }

            try
            {
                _logger.Debug("用户确认电压值: {Voltage}kV | User confirmed voltage: {Voltage}kV", voltage);
                var result = _raySourceService.SetVoltage(voltage);
                if (!result.Success)
                {
                    _logger.Warn("电压设置失败: {Error} | Voltage setting failed: {Error}", result.ErrorMessage);
                    // 设置失败时恢复滑块值（仅当实际值在有效范围内时）| Restore slider value when setting fails (only when actual value is in valid range)
                    if (VoltageActual >= _config.MinVoltage)
                        VoltageValue = VoltageActual;
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "设置电压异常: {Message} | Exception setting voltage: {Message}", ex.Message);
                MessageBox.Show($"设置电压异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
                if (VoltageActual >= _config.MinVoltage)
                    VoltageValue = VoltageActual;
            }
        }

        /// <summary>
        /// 提交电流值到硬件（滑块松手/输入框失焦时调用）| Apply current to hardware (called on slider drag complete / input lost focus)
        /// </summary>
        private void ApplyCurrent()
        {
            var current = (float)CurrentValue;

            if (!IsSlidersEnabled) return;

            // 范围校验 | Range validation
            if (current < _config.MinCurrent || current > _config.MaxCurrent)
            {
                _logger.Warn("电流值超出范围: {Current}μA，忽略提交 | Current out of range: {Current}μA, ignoring apply", current);
                return;
            }

            try
            {
                _logger.Debug("用户确认电流值: {Current}μA | User confirmed current: {Current}μA", current);
                var result = _raySourceService.SetCurrent(current);
                if (!result.Success)
                {
                    _logger.Warn("电流设置失败: {Error} | Current setting failed: {Error}", result.ErrorMessage);
                    // 设置失败时恢复滑块值（仅当实际值在有效范围内时）| Restore slider value when setting fails (only when actual value is in valid range)
                    if (CurrentActual >= _config.MinCurrent)
                        CurrentValue = CurrentActual;
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "设置电流异常: {Message} | Exception setting current: {Message}", ex.Message);
                MessageBox.Show($"设置电流异常: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
                if (CurrentActual >= _config.MinCurrent)
                    CurrentValue = CurrentActual;
            }
        }

        /// <summary>
        /// 从服务更新状态 | Update status from service
        /// </summary>
        private void UpdateStatusFromService()
        {
            RaySourceStatus = _raySourceService.CurrentStatus;
        }

        /// <summary>
        /// 从设备主动读取最新状态并刷新UI | Actively read latest status from device and refresh UI
        /// </summary>
        private void RefreshStatusFromDevice()
        {
            try
            {
                var result = _raySourceService.ReadSystemStatus();
                if (result.Success && result.Data is SystemStatusData statusData)
                {
                    OnStatusUpdated(statusData);
                    _logger.Info("已从设备刷新最新状态 | Refreshed latest status from device");
                }
                else
                {
                    _logger.Warn("读取设备状态失败: {Error} | Failed to read device status: {Error}", result.ErrorMessage);
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "刷新设备状态异常: {Message} | Exception refreshing device status: {Message}", ex.Message);
            }
        }

        /// <summary>
        /// 界面加载时自动执行初始化和连接变量流程（仅执行一次）
        /// Auto-execute Initialize and ConnectVariables on view loaded (runs only once)
        /// </summary>
        /// <summary>
        /// 自动初始化：异步执行初始化 + 连接变量 | Auto-initialize: async Initialize + ConnectVariables
        /// 由 View 的 Loaded 事件触发，仅执行一次 | Triggered by View's Loaded event, runs only once
        /// </summary>
        public async Task AutoInitializeAsync()
        {
            // 防止重复执行 | Prevent duplicate execution
            if (_autoInitialized) return;
            _autoInitialized = true;

            // 如果已经初始化并连接，跳过 | Skip if already initialized and connected
            if (_raySourceService.IsInitialized && _isVariablesConnected)
            {
                _logger.Info("射线源已初始化且变量已连接，跳过自动初始化 | Ray source already initialized and variables connected, skipping auto-init");
                return;
            }

            _logger.Info("开始自动初始化流程 | Starting auto-initialization sequence");

            var result = await _raySourceService.InitializeAndConnectAsync();
            if (result.Success)
            {
                _logger.Info("自动初始化命令已发送，等待设备确认 | Auto-initialization command sent, waiting for device confirmation");
            }
            else
            {
                _logger.Warn("自动初始化流程失败: {Error} | Auto-initialization sequence failed: {Error}", result.ErrorMessage);
            }
        }

        #endregion

        #region IDisposable Implementation

        /// <summary>
        /// 释放资源 | Dispose resources
        /// </summary>
        public void Dispose()
        {
            if (!_isDisposed)
            {
                // 断开射线源连接 | Disconnect X-ray source
                if (_raySourceService.IsInitialized)
                {
                    _logger.Info("界面关闭，执行断开操作 | View closing, executing disconnect");
                    try
                    {
                        Task.Run(() => _raySourceService.Disconnect()).Wait(5000);
                    }
                    catch (Exception ex)
                    {
                        _logger.Warn("断开射线源异常: {Message} | Disconnect exception: {Message}", ex.Message);
                    }
                }

                // 关闭配置窗口 | Close config window
                if (_configWindow != null && _configWindow.IsLoaded)
                {
                    _configWindow.Close();
                    _configWindow = null;
                }

                // 取消订阅事件 | Unsubscribe events
                _eventAggregator.GetEvent<RaySourceStatusChangedEvent>().Unsubscribe(OnRaySourceStatusChanged);
                _eventAggregator.GetEvent<StatusUpdatedEvent>().Unsubscribe(OnStatusUpdated);
                _eventAggregator.GetEvent<ErrorOccurredEvent>().Unsubscribe(OnErrorOccurred);
                _eventAggregator.GetEvent<OperationResultEvent>().Unsubscribe(OnOperationResult);
                _eventAggregator.GetEvent<VariablesConnectedEvent>().Unsubscribe(OnVariablesConnectedChanged);

                _isDisposed = true;
            }
        }

        #endregion
    }
}