#ifndef ALIITSRAWSTREAMSPDERRORLOG_H
#define ALIITSRAWSTREAMSPDERRORLOG_H

/* $Id$ */

///////////////////////////////////////////////////////////////////////
// Author: Henrik Tydesjo                                            //
// For easier handling of error messages from AliITSRawStreamSPD.    //
// The purpose of this class is to make possible the switch to the   //
// AliRoot raw data parsing routines in the onlinte monitoring       //
// programs, like SPD-MOOD, and still keep all the old functionality.//
///////////////////////////////////////////////////////////////////////

#include <TH1F.h>
#include <TH2F.h>
#include <TGraph.h>
#include <TGText.h>

class AliITSRawStreamSPDErrorLog : public TObject {

 public:
  AliITSRawStreamSPDErrorLog();
  AliITSRawStreamSPDErrorLog(const AliITSRawStreamSPDErrorLog& logger);
  AliITSRawStreamSPDErrorLog& operator=(const AliITSRawStreamSPDErrorLog& logger);
  virtual ~AliITSRawStreamSPDErrorLog();

  enum    {kNrErrorCodes = 15};
  enum    {kTotal = 0};

  void    Reset();
  void    ProcessError(UInt_t errorCode, UInt_t eq, Int_t bytesRead, Int_t headersRead, const Char_t *errMess);
  void    AddMessage(const Char_t *errMess);
  void    SummarizeEvent(UInt_t eventNum);

  UInt_t  GetNrErrors(UInt_t errorCode, UInt_t eq);
  UInt_t  GetNrErrorsAllEq(UInt_t errorCode);
  UInt_t  GetNrErrorsTotal(UInt_t errorCode, UInt_t eq);
  UInt_t  GetNrErrorsTotalAllEq(UInt_t errorCode);

  void    SetPayloadSize(UInt_t eq, UInt_t size);
  void    SetByteOffset(UInt_t eq, Int_t size);
  void    SuppressErrorMessages(UInt_t errorCode, Bool_t suppr = kTRUE);
  void    SuppressErrorEq(UInt_t eq, Bool_t suppr = kTRUE);

  static  UInt_t GetNrErrorCodes(){return kNrErrorCodes;}

  TGraph* GetConsErrEvent(UInt_t errorCode, UInt_t eq);
  TH1F*   GetConsErrType(UInt_t eq);
  TH1F*   GetConsErrFraction(UInt_t eq);        // NB!!! Take care of deleting returned object later
  TH1F*   GetConsErrFractionUnScaled(UInt_t eq);
  TH1F*   GetConsErrPos(UInt_t errorCode, UInt_t eq);
  TGText* GetText() {return fText;}


 private:
  Int_t   fNErrors[kNrErrorCodes][20];          // number of errors for this event, for each code and eq
  UInt_t  fNEvents[20];                         // number of events used, for each eq
  UInt_t  fPayloadSize[20];                     // size of payload for this event, for each eq
  Bool_t  fPayloadSizeSet[20];                  // was the payload size set for this eq?
  UInt_t  fErrEventCounter[kNrErrorCodes][20];  // event counter used when filling graph
  Int_t   fByteOffset[20];                      // offset: how many bytes in the equipment header, for each eq
  Bool_t  fSuppressMess[kNrErrorCodes];         // do we suppress error messages for a specific error code?
  Bool_t  fSuppressEq[20];                      // do we suppress error messages for a specific eq?

  TGraph  *fConsErrEvent[kNrErrorCodes][20];    // graphs to display number of errors found in each event
  TH1F    *fConsErrType[20];                    // histogram of how many errors for each error code
  TH1F    *fConsErrFraction[20];                // histogram of rate of events with errors for each error code
  TH1F    *fConsErrPos[kNrErrorCodes][20];      // histogram of where in payload the errors occur

  TGText  *fText;                               // text buffer for all events analyzed so far
  TGText  *fTextTmp[20];                        // text buffer for this event (defined error codes)
  TGText  *fTextTmpGeneral;                     // text buffer for this event (general errors)

  void    InitHistograms();
  void    DeleteHistograms() const;

  ClassDef(AliITSRawStreamSPDErrorLog, 1);
};

#endif