#ifndef GVRETSERIAL_H
#define GVRETSERIAL_H

#include <QSerialPort>
#include <QCanBusDevice>
#include <QThread>
#include <QTimer>

/*************/
#include <QDateTime>
/*************/

#include "canframemodel.h"
#include "canconnection.h"
#include "canconmanager.h"

namespace SERIALSTATE {

enum STATE //keep this enum synchronized with the Arduino firmware project
{
    IDLE,
    GET_COMMAND,
    BUILD_CAN_FRAME,
    TIME_SYNC,
    GET_DIG_INPUTS,
    GET_ANALOG_INPUTS,
    SET_DIG_OUTPUTS,
    SETUP_CANBUS,
    GET_CANBUS_PARAMS,
    GET_DEVICE_INFO,
    SET_SINGLEWIRE_MODE
};

}


using namespace SERIALSTATE;
class GVRetSerial : public CANConnection
{
    Q_OBJECT

public:
    GVRetSerial(QString portName);
    virtual ~GVRetSerial();

protected:

    virtual void piStarted();
    virtual void piStop();
    virtual void piSetBusSettings(int pBusIdx, CANBus pBus);
    virtual bool piGetBusSettings(int pBusIdx, CANBus& pBus);
    virtual void piSuspend(bool pSuspend);
    virtual bool piSendFrame(const CANFrame&) ;

    void disconnectDevice();

private slots:
    void connectDevice();
    void connectionTimeout();
    void readSerialData();
    void handleTick();

private:
    void readSettings();
    void procRXChar(unsigned char);
    void sendCommValidation();
    void rebuildLocalTimeBasis();

protected:
    QTimer             mTimer;
    QThread            mThread;

    bool doValidation;
    bool gotValidated;
    bool isAutoRestart;
    bool continuousTimeSync;
    QSerialPort *serial;
    int framesRapid;
    STATE rx_state;
    uint32_t rx_step;
    CANFrame buildFrame;
    int can0Baud, can1Baud;
    bool can0Enabled, can1Enabled;
    bool can0ListenOnly, can1ListenOnly;
    int deviceBuildNum;
    int deviceSingleWireMode;
    uint32_t buildTimeBasis;
    int32_t timeBasis;
    uint64_t lastSystemTimeBasis;
    uint64_t timeAtGVRETSync;
};

#endif // GVRETSERIAL_H