#ifndef MODBUSMANAGER_H
#define MODBUSMANAGER_H

#include <QObject>
#include <QModbusRtuSerialMaster>
#include <QSerialPort>
#include <QTimer>
#include <QMap>
#include "registermanager.h"

class ModbusManager : public QObject
{
    Q_OBJECT
public:
    explicit ModbusManager(RegisterManager* regManager, QObject *parent = nullptr);
    ~ModbusManager();

    // 串口连接管理
    bool connectToDevice(const QString& portName,
                         QSerialPort::BaudRate baudRate = QSerialPort::Baud9600,
                         QSerialPort::DataBits dataBits = QSerialPort::Data8,
                         QSerialPort::Parity parity = QSerialPort::NoParity,
                         QSerialPort::StopBits stopBits = QSerialPort::OneStop);

    void disconnectDevice();

    // 仿真控制
    void startSimulation(int interval = 500); // 毫秒
    void stopSimulation();

    // 寄存器读写
    void writeRegister(const QString& registerId, quint16 value);

    // 设置从站地址
    void setSlaveAddress(int address) { slaveAddress = address; }

signals:
    void connectionStatusChanged(bool connected);
    void errorOccurred(const QString& error);

private slots:
    void readRegisters();
    void processModbusReply();

private:
    QModbusRtuSerialMaster *modbusDevice;
    RegisterManager* registerManager;
    QTimer* pollTimer;
    int slaveAddress = 1; // 默认从站地址
    QMap<QModbusReply*, QString> pendingRequests;

    void readRegisterGroup(QModbusDataUnit::RegisterType type, int startAddr, int count);
};

#endif // MODBUSMANAGER_H