using System;
using XP.Common.Logging.Interfaces;
using XP.Hardware.RaySource.Abstractions;

namespace XP.Hardware.RaySource.Implementations
{
    /// <summary>
    /// Comet 225kV 射线源适配器
    /// 通过 CometIpcClient 和 CometHostManager 实现进程外隔离的 PVI 通信
    /// 所有操作委托给 CometIpcClient，Host 进程生命周期由 CometHostManager 管理
    /// </summary>
    public class Comet225RaySource : XRaySourceBase
    {
        #region 依赖注入字段

        private readonly CometHostManager _hostManager;
        private readonly CometIpcClient _ipcClient;
        private readonly ILoggerService _logger;

        #endregion

        #region 构造函数

        /// <summary>
        /// 构造函数，注入依赖
        /// </summary>
        /// <param name="hostManager">Host 进程生命周期管理器</param>
        /// <param name="ipcClient">IPC 客户端，负责与 Host 进程通信</param>
        /// <param name="loggerService">日志服务</param>
        public Comet225RaySource(
            CometHostManager hostManager,
            CometIpcClient ipcClient,
            ILoggerService loggerService)
        {
            _hostManager = hostManager ?? throw new ArgumentNullException(nameof(hostManager));
            _ipcClient = ipcClient ?? throw new ArgumentNullException(nameof(ipcClient));
            _logger = loggerService?.ForModule<Comet225RaySource>() ?? throw new ArgumentNullException(nameof(loggerService));
        }

        public override string SourceName => "Comet 225kV";

        #endregion

        #region IXRaySource 方法实现 - 委托给 CometIpcClient

        /// <summary>
        /// 初始化射线源
        /// 先确保 Host 进程运行，再通过 IPC 客户端初始化 PVI 连接
        /// </summary>
        public override XRayResult Initialize()
        {
            _logger.Info("初始化 Comet225 射线源（IPC 模式）");
            try
            {
                // 先确保 Host 进程运行
                _hostManager.EnsureRunning();
                _logger.Info("Host 进程已就绪，开始 IPC 初始化");

                // 再通过 IPC 客户端初始化
                var result = _ipcClient.Initialize();
                if (result.Success)
                {
                    _isInitialized = true;
                }
                return result;
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "初始化 Comet225 射线源异常：{Message}", ex.Message);
                return XRayResult.Error($"初始化异常：{ex.Message}");
            }
        }

        /// <summary>
        /// 创建和连接 PVI 变量
        /// </summary>
        public override XRayResult ConnectVariables()
        {
            var result = _ipcClient.ConnectVariables();
            if (result.Success)
            {
                _isConnected = true;
            }
            return result;
        }

        /// <summary>
        /// 开启射线源高压
        /// </summary>
        public override XRayResult TurnOn()
        {
            return _ipcClient.TurnOn();
        }

        /// <summary>
        /// 关闭射线源高压
        /// </summary>
        public override XRayResult TurnOff()
        {
            return _ipcClient.TurnOff();
        }

        /// <summary>
        /// 设置电压值
        /// </summary>
        public override XRayResult SetVoltage(float voltage)
        {
            return _ipcClient.SetVoltage(voltage);
        }

        /// <summary>
        /// 设置电流值
        /// </summary>
        public override XRayResult SetCurrent(float current)
        {
            return _ipcClient.SetCurrent(current);
        }

        /// <summary>
        /// 设置焦点 - Comet 225kV 不支持
        /// </summary>
        public override XRayResult SetFocus(float focus)
        {
            return _ipcClient.SetFocus(focus);
        }

        /// <summary>
        /// 读取当前电压反馈值
        /// </summary>
        public override XRayResult ReadVoltage()
        {
            return _ipcClient.ReadVoltage();
        }

        /// <summary>
        /// 读取当前电流反馈值
        /// </summary>
        public override XRayResult ReadCurrent()
        {
            return _ipcClient.ReadCurrent();
        }

        /// <summary>
        /// 读取系统状态
        /// </summary>
        public override XRayResult ReadSystemStatus()
        {
            return _ipcClient.ReadSystemStatus();
        }

        /// <summary>
        /// 检查错误状态
        /// </summary>
        public override XRayResult CheckErrors()
        {
            return _ipcClient.CheckErrors();
        }

        /// <summary>
        /// TXI 开启
        /// </summary>
        public override XRayResult TxiOn()
        {
            return _ipcClient.TxiOn();
        }

        /// <summary>
        /// TXI 关闭
        /// </summary>
        public override XRayResult TxiOff()
        {
            return _ipcClient.TxiOff();
        }

        /// <summary>
        /// 暖机设置
        /// </summary>
        public override XRayResult WarmUp()
        {
            return _ipcClient.WarmUp();
        }

        /// <summary>
        /// 训机设置
        /// </summary>
        public override XRayResult Training()
        {
            return _ipcClient.Training();
        }

        /// <summary>
        /// 灯丝校准
        /// </summary>
        public override XRayResult FilamentCalibration()
        {
            return _ipcClient.FilamentCalibration();
        }

        /// <summary>
        /// 全部电压自动定心
        /// </summary>
        public override XRayResult AutoCenter()
        {
            return _ipcClient.AutoCenter();
        }

        /// <summary>
        /// 设置功率模式
        /// </summary>
        public override XRayResult SetPowerMode(int mode)
        {
            return _ipcClient.SetPowerMode(mode);
        }

        /// <summary>
        /// 关闭射线源，释放 IPC 连接并关闭 Host 进程
        /// </summary>
        public override XRayResult CloseOff()
        {
            _logger.Info("执行 CloseOff 操作（IPC 模式）");
            try
            {
                // 先通过 IPC 客户端发送断开命令
                var result = _ipcClient.CloseOff();

                // 再关闭 Host 进程
                _hostManager.Shutdown();

                _isInitialized = false;
                _isConnected = false;
                _logger.Info("CloseOff 操作完成");
                return result;
            }
            catch (Exception ex)
            {
                _logger.Warn("CloseOff 过程中发生异常：{Message}", ex.Message);
                _isInitialized = false;
                _isConnected = false;
                return XRayResult.Error($"CloseOff 异常：{ex.Message}");
            }
        }

        #endregion

        #region 资源释放

        /// <summary>
        /// 释放资源，清理 IPC 客户端和 Host 进程管理器
        /// </summary>
        protected override void Dispose(bool disposing)
        {
            if (!_isDisposed && disposing)
            {
                _ipcClient?.Dispose();
                _hostManager?.Dispose();
            }
            base.Dispose(disposing);
        }

        #endregion
    }
}