void InitHistograms(AliDielectron *die, Int_t cutDefinition);
void InitCF(AliDielectron* die, Int_t cutDefinition);

void SetupTrackCuts(AliDielectron *die, Int_t cutDefinition);

AliESDtrackCuts *SetupESDtrackCuts(Int_t cutDefinition);
AliDielectronPID *SetPIDcuts(Int_t cutDefinition);


//start systematics
TString names= ("TPCTOFPID+phiv");


	Bool_t kRot = 0;
	Bool_t kMix = 1;

TObjArray *arrNames=names.Tokenize(";");
const Int_t nDie=arrNames->GetEntriesFast();

AliDielectron* Config_shin_pPb(Int_t cutDefinition=1)
{
  //
  // Setup the instance of AliDielectron
  //
  
  // create the actual framework object
  TString name=Form("%02d",cutDefinition);
  if (cutDefinition<arrNames->GetEntriesFast()){
    name=arrNames->At(cutDefinition)->GetName();
  }
  AliDielectron *die =
    new AliDielectron(Form("%s",name.Data()),
                      Form("Track cuts: %s",name.Data()));
  
  
  if(kRot){
    AliDielectronTrackRotator *rot = new AliDielectronTrackRotator;
    rot->SetConeAnglePhi(TMath::Pi());
    rot->SetIterations(10);
    die->SetTrackRotator(rot);
  }//kRot
  
  
  if(kMix){
    AliDielectronMixingHandler *mix = new AliDielectronMixingHandler;
    mix->SetMixType(AliDielectronMixingHandler::kAll);
    mix->AddVariable(AliDielectronVarManager::kZvPrim,"-10., -7.5, -5., -2.5 , 0., 2.5, 5., 7.5 , 10.");
    mix->SetDepth(10);
    die->SetMixingHandler(mix);
  }//kMix
  
  

  SetupTrackCuts(die,cutDefinition);
  SetupPairCuts(die,cutDefinition);
  
  // histogram setup
  // only if an AliDielectronHistos object is attached to the
  // dielectron framework histograms will be filled
  InitHistograms(die,cutDefinition);
  //  InitCF(die,cutDefinition);
  

  return die;

}

//______________________________________________________________________________________
void SetupTrackCuts(AliDielectron *die, Int_t cutDefinition)
{
  //
  // Setup the track cuts
  //
	//options
        die->SetPreFilterAllSigns();
	//pairing with TLorentzVector
	die->SetUseKF(kFALSE);

	AliDielectronTrackCuts *TrackCuts = new AliDielectronTrackCuts("StandardCuts","StandardCut");
	//refit
	TrackCuts->SetRequireTPCRefit(kTRUE);
	TrackCuts->SetRequireITSRefit(kTRUE);
	//SPD require
	TrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kFirst);
	die->GetTrackFilter().AddCuts(TrackCuts);
		
	AliDielectronVarCuts *varCuts = new AliDielectronVarCuts("varCuts","varCuts");
	varCuts->AddCut(AliDielectronVarManager::kPt,0.2,100.);
	varCuts->AddCut(AliDielectronVarManager::kEta,-0.8,0.8);
	varCuts->AddCut(AliDielectronVarManager::kImpactParZ,-3.,3.);
	varCuts->AddCut(AliDielectronVarManager::kImpactParXY,-1.,1.);
	varCuts->AddCut(AliDielectronVarManager::kKinkIndex0,0.);

	//TPC track
	varCuts->AddCut(AliDielectronVarManager::kNclsTPC,80.,500.);
	varCuts->AddCut(AliDielectronVarManager::kNFclsTPCr,100.,500.); // or NFclsTPCr?
	varCuts->AddCut(AliDielectronVarManager::kTPCchi2Cl,0.,4.);
	varCuts->AddCut(AliDielectronVarManager::kNFclsTPCfCross,0.5,500.);

	//ITS track
	varCuts->AddCut(AliDielectronVarManager::kNclsITS,3.,7.);
	
	die->GetTrackFilter().AddCuts(varCuts);
	
	// PID	
	//	if(cutDefinition > 0){
	AliDielectronPID *pid = new AliDielectronPID("pid","pid"); 	
	pid->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-1.5,3.,0.2,100.,kFALSE);
	pid->AddCut(AliDielectronPID::kTPC,AliPID::kPion,-100.,3.,0.2,100.,kTRUE);
	pid->AddCut(AliDielectronPID::kTOF,AliPID::kElectron,-3.,3.,0.4, 5., kFALSE);	  
	die->GetTrackFilter().AddCuts(pid);
	//	}
	
}
//----------------------------------Pair Cut-------------------------------------------
void SetupPairCuts(AliDielectron *die, Int_t cutDefinition)
{
  
  //V0 cuts
  AliDielectronTrackCuts *noconv=new AliDielectronTrackCuts("noConv","conversion tagging");
  noconv->SetV0DaughterCut(AliPID::kElectron,kTRUE);
  die->GetTrackFilter().AddCuts(noconv);
  
    
  //Pre filter
  AliDielectronVarCuts *PhiV = new AliDielectronVarCuts("PhiV","PhiV");//mass and Phiv together
  PhiV->AddCut(AliDielectronVarManager::kM, 0. , 0.1);
  PhiV->AddCut(AliDielectronVarManager::kPhivPair, 2.5 , 3.2);
  die->GetPairPreFilter().AddCuts(PhiV);

    

}

//______________________________________________________________________________________
void InitHistograms(AliDielectron *die, Int_t cutDefinition)
{
  //
  // Initialise the histograms
  //
  
  //Setup histogram classes
  AliDielectronHistos *histos=
    new AliDielectronHistos(die->GetName(),
                            die->GetTitle());
  


  //Initialise histogram classes
  histos->SetReservedWords("Track;Pair");
  
  //Event class
  histos->AddClass("Event");
  

  //Track classes
  //to fill also track info from 2nd event loop until 2
  for (Int_t i=0; i<2; ++i){
    histos->AddClass(Form("Track_%s",AliDielectron::TrackClassName(i)));
  }
  
  //Pair classes
  // to fill also mixed event histograms loop until 10

  for (Int_t i=0; i<3; ++i){
    histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(i)));

  }

  if(kMix){
    histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(3))); //ME ++
    histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(4)));//ME -+
    histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(6)));//ME +-
    histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(7))); // ME --
  }
  
  if(kRot)histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(10)));//Rot
  
  
  //add histograms to event class
  histos->UserHistogram("Event","nEvents","Number of processed events after cuts;Number events",1,0,1,AliDielectronVarManager::kNevents);
  histos->UserHistogram("Event","ZVertex","ZVertex;ZVertex/cm",480,-12.,12.,AliDielectronVarManager::kZvPrim);
  histos->UserHistogram("Event","nESDTracks","ESD tracks;ESD tracks;Number events",100,0,200,AliDielectronVarManager::kTracks);
  histos->UserHistogram("Event","Nacc","Number of accepted tracks;Number events",100,0,200,AliDielectronVarManager::kNacc);
  histos->UserHistogram("Event","NVtxContrib","Number of Vertex Contributor;NVtx;Number events",100,0,100,AliDielectronVarManager::kNVtxContrib);

  
  //add histograms to Track classes
  //histos->UserHistogram("Track","P","P;P [GeV];#tracks",500,0.,10.,AliDielectronVarManager::kPIn);
  histos->UserHistogram("Track","Pt","Pt;Pt [GeV];#tracks",500,0.,10.,AliDielectronVarManager::kPt);
  histos->UserHistogram("Track","Eta","Eta; Eta ;#tracks",100,-1.,1.,AliDielectronVarManager::kEta);
  histos->UserHistogram("Track","Phi","Phi; Phi ;#tracks",640,0.,6.4,AliDielectronVarManager::kPhi);


  histos->UserHistogram("Track","Eta_phi","Eta vs Phi;Eta;Phi",500,-1.,1.,320,0.,6.4,AliDielectronVarManager::kEta,AliDielectronVarManager::kPhi);
  histos->UserHistogram("Track","Eta_pt","Eta vs Pt;Eta;Pt",100,-1.,1.,500,0.,10.,AliDielectronVarManager::kEta,AliDielectronVarManager::kPt);
  histos->UserHistogram("Track","Phi_pt","Phi vs Pt;Phi;Pt",640,0,6.4.,500,0.,10.,AliDielectronVarManager::kPhi,AliDielectronVarManager::kPt);

  //  histos->UserHistogram("Track","ImpParXY_Pt","ImpParXY_Pt; Pt; ÍmpParXY",500,0.,10.,500,-5.,5.,AliDielectronVarManager::kPt,AliDielectronVarManager::kImpactParXY);
  // histos->UserHistogram("Track","ImpParZ_Pt","ImpParZ_Pt; Pt; ÍmpParZ",500,0.,10.,500,-5.,5.,AliDielectronVarManager::kPt,AliDielectronVarManager::kImpactParZ);
 

  //track checks (ITS)
//  histos->UserHistogram("Track","ITSchi2Cl_Mom","ITS Chi2 vs Momentum;Mom;ITS chi2",500,0.,5.,50,0.,5.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSchi2Cl);
//  histos->UserHistogram("Track","NclsITS_Mom",";Mom;kNclsITS",500,0.,5.,7,0,7,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNclsITS);

  //track checks (TPC)
  histos->UserHistogram("Track","TPCsignalNfrac_Mom",";fraction TPCSignalN/TPCncls vs Momentum;Mom;TPCSignalN/TPCncls",500,0.,5.,60,0.,1.2,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCsignalNfrac);
//  histos->UserHistogram("Track","TPCchi2Cl_Mom","TPC Chi2 vs Momentum;Mom;TPC Chi2",500,0.,10.,100,0,5,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCchi2Cl);
//  histos->UserHistogram("Track","TPCclsDiff_Mom","kTPCclsDiff vs Momentum;Mom;kTPCclsDiff",500,0.,10.,100,-10,10,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCclsDiff);
  histos->UserHistogram("Track","FindableTPCcls_Mom","kNFclsTPC vs Momentum;Mom;kNFclsTPC",500,0.,10.,200,0.,200.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNFclsTPC);
//  histos->UserHistogram("Track","TPCcls_Mom","kNclsTPC vs Momentum;Mom;kNclsTPC",500,0.,10.,200,0.,200.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNclsTPC);
//  histos->UserHistogram("Track","kNclsSFracTPC_Mom","kNclsSFracTPC vs Momentum;Mom;kTPCclsSFrac",500,0.,10.,1000,0.,1.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNclsSFracTPC);
  histos->UserHistogram("Track","kNFclsTPCrFrac_Mom","kNFclsTPCrFrac vs Momentum;Mom;kNFclsTPCrFrac",500,0.,10.,60,0.,1.2.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNFclsTPCrFrac);

  //track checks (TOF)
  histos->UserHistogram("Track","TOFbeta_Mom","kTOFbeta vs Momentum;Mom;TOFbeta",500,0.,5.,120,0.,1.2,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTOFbeta);
//  histos->UserHistogram("Track","TOFPIDBit_Mom","kTOFPIDBit vs Momentum;Mom;TOFPIDbit",500,0.,5.,2,0.,1.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTOFPIDBit);

  //track checks (PID)
//  histos->UserHistogram("Track","ITSnSigma_MomPio","ITS number of sigmas Pion vs Momentum;Mom;ITSsigmaPion",500,0.,5.,1000,-20,20,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSnSigmaPio);
//  histos->UserHistogram("Track","TPCnSigma_MomPio","TPC number of sigmas Pions vs Momentum;Mom;TPCsigmaPion",500,0.,5.,1000,-20,20,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCnSigmaPio);

//  histos->UserHistogram("Track","ITSnSigma_MomEle","ITS number of sigmas Electrons vs Momentum;Mom;ITSsigmaEle",500,0.,5.,800,-40,40,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSnSigmaEle);
  histos->UserHistogram("Track","TPCnSigma_MomEle","TPC number of sigmas Electrons vs Momentum;Mom;TPCsigmaEle",1000,0.,10.,800,-40,40,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCnSigmaEle);
  histos->UserHistogram("Track","TPCnSigma_TOFnSigma","TPC number of sigmas Electrons vs TOF sigma;TOFsigma;TPCsigmaEle",800,-40.,40.,800,-40,40,AliDielectronVarManager::kTOFnSigmaEle,AliDielectronVarManager::kTPCnSigmaEle);
  histos->UserHistogram("Track","TPCnSigma_Eta","TPC number of sigmas Electrons vs Eta;Eta;TPCsigmaEle",800,-0.8.,0.8.,800,-40,40,AliDielectronVarManager::kEta,AliDielectronVarManager::kTPCnSigmaEle);
  histos->UserHistogram("Track","TPCdEdx_Eta","TPC dEdx vs Eta;Eta;TPCsigmaEle",800,-0.8,0.8,800,0,200,AliDielectronVarManager::kEta,AliDielectronVarManager::kTPCsignal);
  histos->UserHistogram("Track","TPCnSigma_Phi","TPC number of sigmas Electrons vs Phi;Phi;TPCsigmaEle",640,0.,6.4,800,-40,40,AliDielectronVarManager::kPhi,AliDielectronVarManager::kTPCnSigmaEle);
  histos->UserHistogram("Track","TPCdEdx_Phi","TPC dEdx vs Phi;Phi;TPCsigmaEle",640,0.,6.4,800,0,200,AliDielectronVarManager::kPhi,AliDielectronVarManager::kTPCsignal);



//  histos->UserHistogram("Track","TOFnSigma_MomEle","TOF number of sigmas Electrons vs Momentum;Mom;TOFsigmaEle",500,0.,5.,800,-40,40,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTOFnSigmaEle);

//  histos->UserHistogram("Track","ITSdEdx_P","dEdx;P [GeV];ITS signal (arb units) vs Momentum;Mom;ITSsignal", 500,0,5,800,0,200,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSsignal);
  histos->UserHistogram("Track","TPCdEdx_P","dEdx;P [GeV];TPC signal (arb units) vs Momentum;Mom;TPCsignal", 500,0,10.,800,0,200,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCsignal);

  //
  //add histograms to Pair classes
  //

  histos->UserHistogram("Pair","InvMass","Inv.Mass;Inv. Mass [GeV];#pairs",
                        2000,0,20,AliDielectronVarManager::kM);

  histos->UserHistogram("Pair","InvMasslow","Inv.Mass;Inv. Mass [GeV];#pairs",
                        4000,0,0.4,AliDielectronVarManager::kM);

//  histos->UserHistogram("Pair","InvMass10","Inv.Mass;Inv. Mass [GeV];#pairs",
//                        500,0.,5.,AliDielectronVarManager::kM);

//  histos->UserHistogram("Pair","kDeltaEta","kDeltaEta;kDeltaEta;#pairs",
//                        160,0.,1.6,AliDielectronVarManager::kDeltaEta);

  //  histos->UserHistogram("Pair","kDeltaEta_low","kDeltaEta;kDeltaEta;#pairs",
  //                      500,0.,0.5,AliDielectronVarManager::kDeltaEta);

  //  histos->UserHistogram("Pair","kDeltaPhi","kDeltaPhi;kDeltaPhi;#pairs",
  //                      320,0.,6.4,AliDielectronVarManager::kDeltaPhi);

  //  histos->UserHistogram("Pair",
  //                      "kDeltaEta_kDeltaPhi","kDeltaEta_kDeltaPhi;kDeltaEta;kDeltaPhi",
  //                      160, 0. , 1.6, 320 , 0., 6.4 ,
  //			AliDielectronVarManager::kDeltaEta , AliDielectronVarManager::kDeltaPhi );

  //  histos->UserHistogram("Pair",
  //                      "Phi","Phi;counts;Phi",
  //                      320, 0. , 6.4, AliDielectronVarManager::kPhi);

  //  histos->UserHistogram("Pair",
  //                      "Y","Y;counts;Y",
  //                      120, -1.2 , 1.2, AliDielectronVarManager::kY);


  //  histos->UserHistogram("Pair","PhiV",";PhiV;#pairs",
  ///                     320,0.,6.4,AliDielectronVarManager::kPhivPair);

  //  histos->UserHistogram("Pair",
  //                      "OpAngle","Opening angle;Opening angle;#pairs",
  //                      320, 0. , 3.2, 
  //                      AliDielectronVarManager::kOpeningAngle);


//   histos->UserHistogram("Pair","PhiV_Pt",";Pt;PhiV",
//			 100,0.,10.,320,0.,6.4,AliDielectronVarManager::kPt,AliDielectronVarManager::kPhivPair);

//   histos->UserHistogram("Pair","InvMass_bin2","Inv.Mass;Inv. Mass [GeV];#pairs",
//	"0. , 0.025, 0.05 , 0.075 ,0.1 ,0.15 , 0.2 , 0.25 , 0.3 , 
  //	0.4 ,  0.5 , 0.6, 0.65 , 0.688 , 0.725, 0.75, 0.775, 0.8 , 0.85 ,
  //	 0.95,  0.975 , 1.0 , 1.025 , 1.05, 1.125 , 1.25 , 1.5 , 1.75 , 2.0 , 
  //	2.25, 2.5 , 2.75 , 2.85, 2.95,3.05, 3.1 , 3.15 , 
  //	3.3 , 3.5, 3.75 , 4.0",AliDielectronVarManager::kM);

  histos->UserHistogram("Pair",
                        "Eta_Phi","Eta_Phi;Eta;Phi",
                        360, -0.8 , 0.8., 320 , 0., 3.2. ,
			AliDielectronVarManager::kEta , AliDielectronVarManager::kPhi );

  histos->UserHistogram("Pair",
                        "InvMass_Pt","InvMass_Pt;InvMass;Pt",
                        1000, 0. , 10., 100 , 0., 20. ,
			AliDielectronVarManager::kM , AliDielectronVarManager::kPt );

  histos->UserHistogram("Pair",
                        "InvMasslow_Pt","InvMass_Pt;InvMass;Pt",
                        4000, 0. , 0.4, 100 , 0., 20. ,
			AliDielectronVarManager::kM , AliDielectronVarManager::kPt );

  histos->UserHistogram("Pair",
                        "InvMass_deltaphi","InvMass_deltaphi;InvMass;deltaphi",
                        1000, 0. , 10., 320 , 0., 6.4 ,
			AliDielectronVarManager::kM , AliDielectronVarManager::kDeltaPhi );


  histos->UserHistogram("Pair",
                        "InvMass_PhivPair","InvMass_PhivPair;InvMass;PhivPair",
                        1000, 0. , 10., 320 , 0., 3.2 ,
                         AliDielectronVarManager::kM , AliDielectronVarManager::kPhivPair );


  histos->UserHistogram("Pair",
                        "OpAngle_InvMass","OpAngle_InvMass;Opening angle;Invariant Mass",
                        320, 0. , 3.2, 1000 , 0. , 10. ,
                         AliDielectronVarManager::kOpeningAngle,AliDielectronVarManager::kM);

  histos->UserHistogram("Pair",
                        "Phi_InvMass","Phi_InvMass;Phi;Invariant Mass",
                        320, 0. , 6.4, 1000 , 0. , 10. ,
                         AliDielectronVarManager::kPhi,AliDielectronVarManager::kM);

  die->SetHistogramManager(histos);

}




void InitCF(AliDielectron* die, Int_t cutDefinition)
{
  //
  // Setup the CF Manager if needed
  //
  
  AliDielectronCF *cf=new AliDielectronCF(die->GetName(),die->GetTitle());

    
   //pair variables
//  cf->AddVariable(AliDielectronVarManager::kM,500,0.,4.);
  cf->AddVariable(AliDielectronVarManager::kM,"0. , 0.025, 0.05 , 0.075 ,0.1 ,0.15 , 0.2 , 0.25 , 0.3 , 
 	0.4 ,  0.5 , 0.6, 0.65 , 0.688 , 0.725, 0.75, 0.775, 0.8 , 0.85 ,
	 0.95,  0.975 , 1.0 , 1.025 , 1.05, 1.125 , 1.25 , 1.5 , 1.75 , 2.0 , 
	2.25, 2.5 , 2.75 , 2.85, 2.95,3.05, 3.1 , 3.15 , 
	3.3 , 3.5, 3.75 , 4.0");//data
  cf->AddVariable(AliDielectronVarManager::kY,20,-1.,1.);
  cf->AddVariable(AliDielectronVarManager::kPhi,32, 0., 3.2);
  cf->AddVariable(AliDielectronVarManager::kPt,100,0.,5.);


  cf->AddVariable(AliDielectronVarManager::kOpeningAngle,62,0.,6.2);
  cf->AddVariable(AliDielectronVarManager::kPhivPair,64, 0., 6.4);
  cf->AddVariable(AliDielectronVarManager::kPairType,4,-0.5,3.5);
  
  
  
  //leg 
  cf->AddVariable(AliDielectronVarManager::kPt,100,0.,10.,kTRUE);
  cf->AddVariable(AliDielectronVarManager::kPhi,36,0.,360.,kTRUE);
  cf->AddVariable(AliDielectronVarManager::kEta,100,-1.,1.,kTRUE);

  
/*  
  cf->AddVariable(AliDielectronVarManager::kTPCsignal,200,0.,200.,kTRUE);
  cf->AddVariable(AliDielectronVarManager::kImpactParXY,40,-2.,2.,kTRUE);
  cf->AddVariable(AliDielectronVarManager::kImpactParZ,40,-2.,2.,kTRUE);
  cf->AddVariable(AliDielectronVarManager::kNclsITS,10,0.,10.,kTRUE);
  cf->AddVariable(AliDielectronVarManager::kNFclsTPCrFrac,10,0.,1.,kTRUE);
*/


  die->SetCFManagerPair(cf);
  
}