#pragma once

#ifndef TSCANNER_EPSON_INCLUDED

#define TSCANNER_EPSON_INCLUDED

#include "tscanner.h"

#include "TScannerIO/TScannerIO.h"

#include <memory></memory>

/*

PLEASE DO NOT REMOVE unreferenced methods... they are useful for debugging  :)

max

*/

class TScannerEpson final : public TScanner {

  enum SettingsMode { OLD_STYLE, NEW_STYLE };

  TScannerIO *m_scannerIO;

  bool m_hasADF;

  bool m_isOpened;

  SettingsMode m_settingsMode;

public:

  TScannerEpson();

  ~TScannerEpson();

  void selectDevice() override;

  bool isDeviceAvailable() override;

  bool isDeviceSelected() override;

  void updateParameters(TScannerParameters ¶m) override;  // vedi TScanner

  void acquire(const TScannerParameters ¶ms, int paperCount) override;

  bool isAreaSupported();

  void closeIO();

private:

  void doSettings(const TScannerParameters ¶ms, bool isFirstSheet);

  void collectInformation(char *lev0, char *lev1, unsigned short *lowRes,

                          unsigned short *hiRes, unsigned short *hMax,

                          unsigned short *vMax);

  bool resetScanner();

  void reportError(std::string errMsg);  // debug only

  char *ESCI_inquiry(char cmd); /* returns 0 if failed */

  bool ESCI_command(char cmd, bool checkACK);

  bool ESCI_command_1b(char cmd, unsigned char p0, bool checkACK);

  bool ESCI_command_2b(char cmd, unsigned char p0, unsigned char p1,

                       bool checkACK);

  bool ESCI_command_2w(char cmd, unsigned short p0, unsigned short p1,

                       bool checkACK);

  bool ESCI_command_4w(char cmd, unsigned short p0, unsigned short p1,

                       unsigned short p2, unsigned short p3, bool checkACK);

  std::unique_ptr<unsigned char[]=""> ESCI_read_data2(unsigned long &size);</unsigned>

  void ESCI_readLineData(unsigned char &stx, unsigned char &status,

                         unsigned short &counter, unsigned short &lines,

                         bool &areaEnd);

  void ESCI_readLineData2(unsigned char &stx, unsigned char &status,

                          unsigned short &counter);

  int receive(unsigned char *buffer, int size);

  int send(unsigned char *buffer, int size);

  bool ESCI_doADF(bool on);

  int sendACK();

  bool expectACK();

  void scanArea2pix(const TScannerParameters ¶ms, unsigned short &offsetx,

                    unsigned short &offsety, unsigned short &dimlx,

                    unsigned short &dimly, const TRectD &scanArea);

};

#endif