#ifndef __JTRIGGER__JFRAME__
#define __JTRIGGER__JFRAME__

#include <vector>

#include "km3net-dataformat/online/JDAQHit.hh"
#include "km3net-dataformat/online/JDAQClock.hh"
#include "JTrigger/JMatch.hh"
#include "JTrigger/JPMTHeader.hh"
#include "JTrigger/JHitToolkit.hh"
#include "JTrigger/JCalibration.hh"
#include "JTrigger/JFrame_t.hh"



/**
 * \author mdejong
 */

namespace JTRIGGER {}
namespace JPP { using namespace JTRIGGER; }

namespace JTRIGGER {

  using KM3NETDAQ::JDAQHit;


  /**
   * Data frame for calibrated hits of one PMT.
   *
   * Note that the calibration is applied on the fly in the member method JFrame::push_back.
   */
  template<class JElement_t, class JAllocator_t = std::allocator<JElement_t> >
  class JFrame :
    public JPMTHeader,
    public JCalibration,
    public JFrame_t<JElement_t, JAllocator_t>
  {
  public:

    typedef JFrame_t<JElement_t, JAllocator_t>                           container_type;
    typedef JElement_t                                                   value_type;
    typedef JMatch<JElement_t>                                           match_type;

    typedef typename container_type::iterator                            iterator;
    typedef typename container_type::const_iterator                      const_iterator;
    typedef typename container_type::reverse_iterator                    reverse_iterator;
    typedef typename container_type::const_reverse_iterator              const_reverse_iterator;

    using JHitToolkit<JElement_t>::join;


    /**
     * Default constructor.
     */
    JFrame()
    {}


    /**
     * Constructor.
     *
     * \param  chronometer    DAQ chronometer
     * \param  id             PMT identifier
     * \param  axis           PMT axis
     * \param  calibration    calibration
     */
    JFrame(const JDAQChronometer&   chronometer,
	   const JDAQPMTIdentifier& id,
	   const JAxis3D&           axis,
	   const JCalibration&      calibration) :
      JPMTHeader  (chronometer, id, axis),
      JCalibration(calibration),
      JFrame_t<JElement_t, JAllocator_t>()
    {}


    /**
     * Append DAQ hit.
     *
     * The time calibration is applied before the hit is appended.
     *
     * \param  hit            DAQ hit
     */
    void push_back(const JDAQHit& hit)
    {
      container_type::push_back(this->getHit(hit, this->getCalibration()));
    }


    /**
     * Apply high-rate veto.
     *
     * If vetoed, the container is cleared and an end marker is put.
     *
     * \param  rate_Hz        high-rate veto [Hz] 
     */
    void applyHighRateVeto(const double rate_Hz)
    {
      using KM3NETDAQ::getFrameTime;

      if (this->size() * 1.0e9 / getFrameTime() > rate_Hz) {
	this->reset();
      }
    }


    /**
     * Join consecutive hits when matched according given criterion.
     *
     * \param  match          match criterion
     */
    void join(const match_type& match)
    {
      iterator out = this->begin();

      for (const_iterator p = this->begin(); p != this->end(); ) {

	*out = *p;

	while (++p != this->end() && match(*out,*p)) {
	  *out = join(*out,*p);
	}

	++out;
      }

      if (out != this->end()) {
	this->erase(out, this->end());
	this->putEndMarker();
      }
    }


    /**
     * Filter-out consecutive hits when matched according given criterion.
     *
     * Note that all hits which are matched are removed.
     *
     * \param  match          match criterion
     */
    void filter(const match_type& match)
    {
      iterator out = this->begin();

      for (const_iterator p = this->begin(); p != this->end(); ) {

	const_iterator q = p; 

	for (const_iterator i = p; ++q != this->end() && match(*i,*q); ++i) {}

	if (std::distance(p,q) == 1) {
	  *out = *p;
	  ++out;
	}

	p = q;
      }

      if (out != this->end()) {
	this->erase(out, this->end());
	this->putEndMarker();
      }
    }
  };
}

#endif