#ifndef TAvgRMSPlot_hxx__
#define TAvgRMSPlot_hxx__

#include <iostream>
#include <vector>
#include <string.h>
#include <math.h>

#include <TROOT.h>
#include <TStyle.h>
#include <TH2F.h>
#include <TSystem.h>
#include <TCanvas.h>
#include <TDatime.h>
#include <TGraph.h>

/// Class to represent mean and rms
/// of several measurements.
class IAvgRMSPlot{
public:
  int    fN;      ///< Number of samples
  double fsum;    ///< sum of samples
  double fsum2;   ///< sum squared of samples
  double fmean;   ///< mean of samples
  double frms;    ///< rms of samples
  float  fmin;    ///< minimum sample
  float  fmax;    ///< maximum sample

  std::vector<float> fTime; ///< vector of time readings converted to double
  std::vector<float> fVals; ///< vector of reading values
  std::string        fName; ///< variable name for plots
  
  TGraph *           fGraph; ///< TGraph of variable.
  TH1F   *           fHist;  ///< TH1F of variable.

  int    fX0; ///< root taxis time offset

  bool   fIsInteger;  ///< Flag to say if this should be an integer quantity

  /// constructor
  IAvgRMSPlot();

  ~IAvgRMSPlot(){;}                    ///< destructor

  /// Method to add data to be averaged / rms'd
  /// set last to true to do the mean, rms calculation
  void Add( long atime, double aval, bool alast=false );

  /// Print the statistics on a set of measurements
  void Print(const char * avname, bool doprint=true );
  
  /// Get TGraph time offset due to day light savings time
  /// messing things up
  int GetDSTOffset( long atime );

  /// Plot the variable vs Time
  /// Make sure to call Print with
  /// a name input before calling this method
  void MakePlot(const char * atagname, bool saveplot=true);

};


#endif