#ifndef __JTRIGGER__JHITL0__
#define __JTRIGGER__JHITL0__

#include "km3net-dataformat/online/JDAQPMTIdentifier.hh"
#include "JGeometry3D/JAxis3D.hh"
#include "JTrigger/JHit.hh"


/**
 * \file
 *
 * Basic data structure for L0 hit.
 * \author mdejong
 */
namespace JTRIGGER {}
namespace JPP { using namespace JTRIGGER; }

namespace JTRIGGER {

  using KM3NETDAQ::JDAQPMTIdentifier;
  using JGEOMETRY3D::JAxis3D;


  /**
   * Data structure for L0 hit.
   */
  class JHitL0 :
    public JDAQPMTIdentifier,
    public JAxis3D,
    public JHit
  {
  public:
    /**
     * Default constructor.
     */
    JHitL0() :
      JDAQPMTIdentifier(),
      JAxis3D          (),
      JHit             ()
    {}


    /**
     * Constructor.
     * 
     * \param  pmt            PMT identifier
     * \param  axis           PMT axis
     * \param  hit            hit
     */
    JHitL0(const JDAQPMTIdentifier& pmt,
	   const JAxis3D&           axis,
	   const JHit&              hit) :
      JDAQPMTIdentifier(pmt),
      JAxis3D          (axis),
      JHit             (hit)
    {}


    /**
     * Get count.
     *
     * \return          count
     */
    inline int getN() const
    {
      return 1;
    }


    /**
     * Get weight.\n
     * The returned weight is set to one.
     *
     * \return          1
     */
    inline double getW() const
    {
      return 1.0;
    }


    /**
     * Auxiliary data structure for sorting of hits.
     */
    static const struct compare {
      /**
       * Compare hits by PMT identifier and time.
       *
       * \param  first         first  hit
       * \param  second        second hit
       * \return               true if first before second; else false
       */
      bool operator()(const JHitL0& first, const JHitL0& second) const
      {
        if (first.getPMTIdentifier() == second.getPMTIdentifier())
          return first.getT()             < second.getT();
        else
          return first.getPMTIdentifier() < second.getPMTIdentifier();
      }
    } compare;
  };
}

#endif