/**
 * \file CbmMatch2.cxx
 * \author Andrey Lebedev <andrey.lebedev@gsi.de>
 * \date 2013
 **/

#include "CbmMatch2.h"

#include <sstream>

using std::make_pair;
using std::stringstream;

CbmMatch2::CbmMatch2() :
      fLinks(),
      fTotalWeight(0.),
      fMatchedIndex(-1)
{

}


string CbmMatch2::ToString() const
{
   stringstream ss;
   ss << "CbmMatch: ";
   Int_t nofLinks = GetNofLinks();
   ss << "nofLinks=" << nofLinks << "\n";
   for (Int_t i = 0; i < nofLinks; i++) {
      CbmLink* link = GetLink(i);
      ss << link->ToString();
   }
   ss << " totalWeight=" << fTotalWeight << ", matchedIndex="
         << fMatchedIndex << std::endl;
   return ss.str();
}

void CbmMatch2::AddLinks(const CbmMatch2& match)
{
   Int_t nofLinks = match.GetNofLinks();
   for (Int_t i = 0; i < nofLinks; i++) {
      AddLink(match.GetLink(i));
   }
}

void CbmMatch2::AddLink(CbmLink* newLink)
{
   Int_t addedIndex = -1;
   Int_t nofLinks = GetNofLinks();
   for (Int_t i = 0; i < nofLinks; i++) {
  	 CbmLink* link = GetLink(i);
      if (*link == *newLink) {
         link->AddWeight(newLink->GetWeight());
         addedIndex = i;
         break;
      }
   }
   if (addedIndex < 0) {
      fLinks.Add(newLink);
      addedIndex = fLinks.GetSize() - 1;
   }

   fTotalWeight += newLink->GetWeight();
   if (fMatchedIndex < 0) {
      fMatchedIndex = addedIndex;
   } else {
      if (GetLink(addedIndex)->GetWeight() > GetMatchedLink()->GetWeight()) {
         fMatchedIndex = addedIndex;
      }
   }
}

void CbmMatch2::AddLink(Double_t weight, Int_t index, Int_t entry, Int_t file) {
	CbmLink* link = new CbmLink(weight, index, entry, file);
	AddLink(link);
}


void CbmMatch2::ClearLinks()
{
   fLinks.Delete();
   fTotalWeight = 0.;
   fMatchedIndex = -1;
}

ClassImp(CbmMatch2);