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#include "SensitiveDetector.hh"
#include "SensitiveDetectorHit.hh"

#include "G4HCofThisEvent.hh"
#include "G4TouchableHistory.hh"
#include "G4Track.hh"
#include "G4Step.hh"
#include "G4SDManager.hh"
#include "G4Navigator.hh"
#include "G4ios.hh"

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SensitiveDetector::SensitiveDetector(G4String name):G4VSensitiveDetector(name)
{
    G4String HCname;
    collectionName.insert(HCname="collection");
    fHCID = -1;
    
    G4cout << "### SensitiveDetector instantiated ###" << G4endl;
}

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SensitiveDetector::~SensitiveDetector() {}

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void SensitiveDetector::Initialize(G4HCofThisEvent* HCE)
{
    fHitsCollection = new SensitiveDetectorHitsCollection(SensitiveDetectorName, collectionName[0]);
    if (fHCID<0) {fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);}
    HCE->AddHitsCollection(fHCID, fHitsCollection);    
}

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bool SensitiveDetector::ProcessHits(G4Step* aStep, G4TouchableHistory*)
{   
    //G4Track* vTrack = aStep->GetTrack();
    G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
    
    //if(!(preStepPoint->GetStepStatus() == fGeomBoundary)) {return true;}
    	
/*       
    G4ThreeVector pos = preStepPoint->GetPosition();
    G4ThreeVector mom = preStepPoint->GetMomentumDirection();
    
    G4int vType = -1;
    if(preStepPoint->GetMass() == 0 && preStepPoint->GetCharge() == 0) {
    	vType = 0;
    }
    else if(preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() == 0) {
    	vType = 1;
    }
    else if(preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() > 0) {
    	vType = 2;
    }
    else if(preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() < 0) {
    	vType = 3;
   	}
*/ 

    SensitiveDetectorHit* aHit = new SensitiveDetectorHit();
/*
    aHit->SetTrackID(vTrack->GetTrackID());
    aHit->SetTrackIDP(vTrack->GetParentID());    
    aHit->SetPos(pos);
    aHit->SetMom(mom);
    aHit->SetType(vType);    
    aHit->SetEnergy(preStepPoint->GetKineticEnergy());   
*/    
    aHit->SetEnergy(aStep->GetTotalEnergyDeposit());
	aHit->SetTime(preStepPoint->GetGlobalTime());
    fHitsCollection->insert(aHit);
    
    return true;
}
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void SensitiveDetector::EndOfEvent(G4HCofThisEvent*) {}

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