// Author: Akira Okumura <mailto:oxon@mac.com>
/******************************************************************************
 * Copyright (C) 2006-, Akira Okumura                                         *
 * All rights reserved.                                                       *
 *****************************************************************************/

#ifndef A_CORSIKA_IACT_FILE_H
#define A_CORSIKA_IACT_FILE_H

#ifdef __CINT__
#define _SYS_TYPES_H_
#define _STDINT_H_
#endif

#include "bernlohr/fileopen.h"
#include "bernlohr/io_basic.h"
#include "bernlohr/mc_tel.h"

#include "TTree.h"

#include "ACorsikaIACTEventHeader.h"
#include "ACorsikaIACTRunHeader.h"
#include "ARayArray.h"

////////////////////////////////////////////////////////////////////////////////
//
// ACorsikaIACTFile
//
// Wrapper class for I/O functions of CORSIKA IACT files.
//
////////////////////////////////////////////////////////////////////////////////

class ACorsikaIACTFile : public TObject {
 private:
  static const Int_t kMaxArrays;
  static const Int_t kMaxTelescopes;

  IO_ITEM_HEADER fBlockHeader;
  TTree* fBunches;
  struct linked_string fCorsikaInputs;
  ACorsikaIACTEventHeader* fEventHeader;
  TString fFileName;
  IO_BUFFER* fIOBuffer;
  Int_t fMaxPhotonBunches;
  Int_t fNumberOfTelescopes;
  ACorsikaIACTRunHeader* fRunHeader;
  Double_t* fTelescopePosition[4];  //
  Double_t fMaxWavelength;
  Double_t fMinWavelength;

  Int_t ReadNextBlock();

 public:
  ACorsikaIACTFile(Int_t bufferLenght = 20000000);
  virtual ~ACorsikaIACTFile();

  void Close();
  TTree* GetBunches() const { return fBunches; }
  const Char_t* GetFileName() const { return fFileName.Data(); }
  Int_t GetNumberOfTelescopes() const { return fNumberOfTelescopes; }
  ARayArray* GetRayArray(Int_t telNo, Int_t arrayNo, Double_t zoffset,
                         Double_t refractiveIndex);
  Double_t GetTelescopeR(Int_t i) const;
  Double_t GetTelescopeX(Int_t i) const;
  Double_t GetTelescopeY(Int_t i) const;
  Double_t GetTelescopeZ(Int_t i) const;
  Bool_t IsAllocated();
  Bool_t IsOpen();
  void Open(const Char_t* fname);
  void PrintInputCard() const;
  Int_t ReadEvent(Int_t num);
  void SetMaxPhotonBunches(UInt_t max) { fMaxPhotonBunches = max; }

  ACorsikaIACTEventHeader* GetEventHeader() const { return fEventHeader; }
  ACorsikaIACTRunHeader* GetRunHeader() const { return fRunHeader; }

  ClassDef(ACorsikaIACTFile, 0)
};

#endif  // A_CORSIKA_IACT_FILE_H