#ifndef __JACOUSTICS__JHIT__
#define __JACOUSTICS__JHIT__

#include <ostream>

#include "JDetector/JLocation.hh"
#include "JLang/JManip.hh"

#include "JAcoustics/JEmitter.hh"
#include "JAcoustics/JCounter.hh"
#include "JAcoustics/JEKey.hh"


/**
 * \file
 *
 * Acoustic hit.
 * \author mdejong
 */
namespace JACOUSTICS {}
namespace JPP { using namespace JACOUSTICS; }

namespace JACOUSTICS {

  using JDETECTOR::JLocation;
  using JGEOMETRY3D::JVector3D;

  /**
   * Acoustics hit.
   */
  struct JHit :
    public JEmitter,
    public JCounter,
    public JLocation
  {
    /**
     * Default constructor.
     */
    JHit()
    {}


    /**
     * Constructor.
     *
     * \param  emitter                  emitter
     * \param  counter                  counter
     * \param  location                 receiver location
     * \param  toa_s                    time-of-arrival [s]
     * \param  sigma_s                  resolution      [s]
     * \param  weight                   weight
     */
    JHit(const JEmitter&  emitter,
	 const JCounter&  counter,
	 const JLocation& location,
	 const double     toa_s,
	 const double     sigma_s,
	 const double     weight) :
      JEmitter(emitter),
      JCounter(counter),
      JLocation(location),
      toa(toa_s),
      sigma(sigma_s),
      weight(weight)
    {}


    /**
     * Get emitter hash key of this hit.
     *
     * \return                          hash key
     */
    JEKey getEKey() const
    {
      return JEKey(getID(), getCounter());
    }


    /**
     * Get expectation value of time-of-arrival.
     *
     * \return                          time-of-arrival [s]
     */
    double getValue() const
    {
      return toa;
    }


    /**
     * Get resolution of time-of-arrival.
     *
     * \return                          resulution [s]
     */
    double getSigma() const
    {
      return sigma;
    }


    /**
     * Get weight.
     *
     * \return                          weight
     */
    double getWeight() const
    {
      return weight;
    }


    /**
     * Write hit to output stream.
     *
     * \param  out                      output stream
     * \param  hit                      hit
     * \return                          output stream
     */
    friend inline std::ostream& operator<<(std::ostream& out, const JHit& hit)
    {
      using namespace std;
      using namespace JPP;

      out << setw(3)     << hit.getID()      << ' ' 
	  << setw(3)     << hit.getCounter() << ' '
	  << getLabel(hit.getLocation())     
	  << FIXED(20,5) << hit.getValue()   << ' '
	  << FIXED(9,6)  << hit.getSigma()   << ' '
	  << FIXED(6,2)  << hit.getWeight();

      return out;
    }


  protected:
    double toa;
    double sigma;
    double weight;
  };
}

#endif