using System;

/// <summary>
/// 串口通信服务接口 - 基于DCS项目串口通信协议
/// </summary>
public interface ISerialCommunicationService : IService
{
    // 事件定义
    event Action OnHandshakeCompleted;
    event Action<DeviceStatusData> OnDeviceStatusReceived;
    // event Action<AlarmStatusReport> OnAlarmStatusReceived;
    event Action OnCommunicationError;
    
    // 连接状态
    bool IsConnected { get; }
    bool IsHandshakeCompleted { get; }
    
    // 连接控制
    bool Connect(string portName = "COM1", int baudRate = 115200);
    void Disconnect();
    
    // 协议命令
    void SendHandshakeRequest();
    void SendHeartbeatResponse();
    void SendAlarmCommand(byte alarmCode, byte priority, byte state);
    void SendTimeSync(DateTime time);
    void SendParameterQuery(byte paramType);
    void SendParameterSet(byte paramType, byte[] data);
}

/// <summary>
/// 设备状态数据
/// </summary>
public struct DeviceStatusData
{
    public float BFI;               // BFI血流值
    public byte BatteryLevel;       // 电池电量 (0-100%)
    public ushort BatteryVoltage;   // 电池电压 (mV)
    public short Temperature;       // 内部温度 (0.1°C)
    public byte LaserStatus;        // 激光器状态 (0=异常,1=工作,2=停止)
    public byte PowerType;          // 电源类型 (0=AC,1=BAT)
    public uint ReservedData;       // 保留字段
}

/// <summary>
/// 设备数据上报
/// </summary>
public struct DeviceDataReport
{
    public float BFI;               // BFI数据
    public byte BatteryLevel;       // 电池电量
    public ushort Voltage;          // 电压
    public short Temperature;       // 内部温度
    public byte LaserStatus;        // 激光器状态
    public byte PowerStatus;        // 电源状态
    public uint ExtensionData;      // 扩展保留
}

/// <summary>
/// 告警状态反馈
/// </summary>
public struct AlarmStatusReport
{
    public byte AlarmCode;          // 报警代码
    public byte AlarmPriority;      // 报警级别
    public byte AlarmState;         // 报警状态
    public DateTime Timestamp;      // 时间戳
}