#ifndef TApplyAlign_hxx
#define TApplyAlign_hxx

#include <iostream>
#include <sstream>
#include <unistd.h>
#include <fstream>

#include <cometEventLoop.hxx>
#include "COMETGeomId.hxx"
#include "IGenericAlignmentLookup.hxx"
#include <TROOT.h>
#include <TGeoManager.h>
#include <TSystem.h>
#include <TFile.h>
#include <TMath.h>

#include <IGeomInfo.hxx>
#include <IGeomVisitor.hxx>

class IApplyAlign{

protected:
  IGenericAlignmentLookup fAligTable;

private:	
  std::map<std::string, COMET::IGeometryId> subDetId;
  std::string subDetName;

  std::map<std::string, TVector3> surveyTransConst;
  std::map<std::string, std::pair<TVector3, double> > surveyRotConst;
  double fgdIntTransConst[44];
  TVector3 tpcMmTransConst[3][2][12];
  double tpcMmRotConst[3][2][12];
  
  COMET::IGeometryId fgdLayerId[44];
  COMET::IGeometryId tpcMMId[3][2][12];
  COMET::IGeometryId superP0Dule[4];
  COMET::IGeometryId p0dule[40];
  COMET::IGeometryId dsEcalLayer[34];
  
  double trackerRotMatrix[9];
  
  double transX;
  double transY;
  double transZ;
  double axisX;
  double axisY;
  double axisZ;
  double thetaMRad;
  
  TVector3 axis1;
  TVector3 axis2;
  double offsetX;
  double offsetY;
  double offsetZ;
  
  bool applyTrackerSurvey;
  bool applyFGDInternal;
  bool applyMMSurvey;
  
  const char* inputFGDIntAlignTxt;
  const char* inputMMSurveyAlignTxt;
  const char* inputSurveyAlignTxt;
  
  std::ifstream alignLookupTracker;
  std::ifstream alignLookupMM;
  std::ifstream alignLookupFGD;
  
  // Helper methods
  void ApplyFGDInternalAlign();
  void ApplyMMSurveyAlign();
  void ApplyMMSurveyAlignGlobal();
  void ApplyTrackerSurveyAlign();

public:

  IApplyAlign();
  virtual ~IApplyAlign();

  // Method that does alignment.
  bool AlignGeometry();

 // Methods to control alignment parameters
  void ApplyTrackerSurvey(bool on){applyTrackerSurvey = on;}
  void ApplyFGDInternal(bool on){applyFGDInternal = on;}
  void ApplyMMSurvey(bool on){applyMMSurvey = on;}
  
};

#endif