/**
  * Connection Handler for the RS232 serial connection to the sfm
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Philipp Dassow, NLST, 2018-01-29
  */

#pragma once

#include "logger.h"
#include <LtsSerialPortQuerry/lts_serial_port_querry.h>

#include <QObject>
#include <QTimer>
#include <QSerialPort>


namespace EffectShowClient
{

class ConnectionHandlerSerial : public QObject
{
  Q_OBJECT

public:
  explicit ConnectionHandlerSerial(QObject *parent = nullptr);
  ~ConnectionHandlerSerial();

  bool init();
  bool send(const QByteArray &binaryData);
  bool open();
  bool isOpen() const;


signals:
  /**
   * @brief received emits a byte pair with command and payload byte when a available. It is guaranteed that there will be 2 bytes
   * @param ba is a byte pair, with command 1st and payload 2nd.
   */
  void received(const QByteArray &ba);
  void connectedToSerialConverter();
  void disconnectedFromSerialConverter();


private slots:
  void read();

private:
  bool isValidCommandByte(const unsigned char command);
  bool isValidPayloadByte(const unsigned char payload);
  LtsSerialPortQuerry::LtsSerialPortQuerry *m_spQuerry;
  QSerialPort *m_serialPort;
  QTimer      *m_receiveTimeoutTimer;
  QByteArray   m_currentDataRead;
  QString      m_portName;
  QByteArray  *m_readBuffer;
  NGL::INGLLogger &m_logger;
};

} // namespace EffectShowClient