////////////////////////////////////////////////////////////////////////
/// \class RAT::PMTSelectors::ModeCut
///
/// \brief  Select PMT hits relative to the mode of the hit time distribution.
/// \brief  Based on MedianCut class.
///
/// \author W. Heintzelman <billh@hep.upenn.edu> -- contact person
///
/// REVISION HISTORY:\n
///     19 June 2013: W. Heintzelman New file \n
///     05 Feb  2019: L. Lebanowski  Use median if no mode [DocDB 5488] \n
///
/// \details Default cut is interval (-50, +50) ns relative to the mode
///
////////////////////////////////////////////////////////////////////////

#ifndef __RAT_PMTSelector_ModeCut__
#define __RAT_PMTSelector_ModeCut__

#include <RAT/FitterPMT.hh>
#include <RAT/PMTSelector.hh>

#include <utility>
#include <map>
#include <vector>

namespace RAT
{

namespace PMTSelectors
{

class ModeCut : public PMTSelector
{
public:

  /// Return the Name
  std::string GetName() const { return Name(); };

  /// Fitter structure name
  static std::string Name() { return std::string( "modeCut" ); }

  /// Initialise the selector
  void Initialise( const std::string& param ); ///< Option string

  void BeginOfRun( DS::Run& ) { }

  void EndOfRun( DS::Run& ) { }

  /// Set non-standard cut interval values
  void SetD( const std::string& param, double value );

  void SetI( const std::string& param, int value);

  /// Main Selector function
  std::vector<FitterPMT> GetSelectedPMTs( const std::vector<FitterPMT>& data,///< PMT data
                                          const DS::FitVertex& vertex        ///< Vertex of interest
                                        );

  /// Return mode
  double GetModeTime(const std::vector<FitterPMT>& data);

  /// Return lower and upper cut limits
  double GetLowCut() { return fLowCut;}
  double GetHighCut() { return fHighCut;}

protected:
  double fLowCut;  ///< In ns
  double fHighCut; ///< In ns
  // limit of the time domain for the in-time window
  int fLowDomainLimit; ///< In integer ns
  int fHighDomainLimit; ///< In integer ns
};

} //::PMTSelectors

} //::RAT

#endif