////////////////////////////////////////////////////////////////////
/// \class RAT:CrateGainMonitor
///
/// \brief   Keep track of the crate gains
///
/// \author Tanner Kaptanoglu <tannerk@sas.upenn.edu>
///
/// \details This processor loops through the events and histograms
///          QHS, QHL, & QLX in order to keep track of the gain crate by
///          crate. Sort by high nhit events and trig type to try and
///          get a sample of events with light in the detector.
///
////////////////////////////////////////////////////////////////////

#ifndef __RAT_CrateGainMonitor__
#define __RAT_CrateGainMonitor__

#include <RAT/Processor.hh>
#include <RAT/DS/Entry.hh>
#include <RAT/DB.hh>
#include <RAT/DU/Utility.hh>
#include <RAT/DU/PMTCalStatus.hh>
#include <RAT/DU/TrigBits.hh>
#include <TH1D.h>
#include <TFile.h>

namespace RAT
{
  class CrateGainMonitor : public Processor
  {
    public:

      CrateGainMonitor();
      virtual ~CrateGainMonitor(){};

      virtual void BeginOfRun(DS::Run&);
      virtual void EndOfRun(DS::Run& run);

      virtual Processor::Result DSEvent(DS::Run&, DS::Entry& ds);
      virtual Processor::Result Event(DS::Entry&, DS::EV& ev);

    protected:

      std::string fFileName; // Name of output root file
      char TFileName[64]; // Name of output root file with run num. appended
      char HistogramName[64]; // Name of each histogram
      TH1D* qhs_histograms[19]; // QHS histogram per crate
      TH1D* qhl_histograms[19]; // QHL histogram per crate
      TH1D* qlx_histograms[19]; // QLX histogram per crate

      unsigned int fNCrates; // Number of crates
      unsigned int fNHitThreshold; // Look at events above this NHit
      bool fSkipESUM; // If True skip ESUM triggered events

  };
} // namespace RAT
#endif