/// This is not an electronics simulation.
///
/// Provide a fake electronics simulation to help test SIMG4.  This produces
/// all of the required hits and digits, but makes no attempt to match real
/// electronics behaviour (beyond affects required for testing).
///
/// DO NOT USE THIS TO GENERATE PHYSICS RESULTS.
///
#include <TROOT.h>
#include <TH2F.h>

#include <cometEventLoop.hxx>
#include <HEPUnits.hxx>

#include "ISimplisticElec.hxx"

class TSIMG4Elec: public COMET::ICOMETEventLoopFunction {
public:
    TSIMG4Elec() {
        fQuiet = false;
    }

    virtual ~TSIMG4Elec() {};

    void Usage(void) {
        std::cout << "    -O quiet    Very little output"
                  << std::endl;
    }

    virtual bool SetOption(std::string option,std::string value="") {
        if (option == "quiet") {
            fQuiet = true;
            return true;
        }
        return false;
    }

    bool operator () (COMET::ICOMETEvent& event) {
        SElec::ISimplisticElec tpc("tpc","tpc", 0.5*unit::mm);
        tpc.AddVolumeName("TPC");
        tpc.AddVolumeName("Pad_");
        tpc.GenerateHits(event);

        SElec::ISimplisticElec p0d("p0d","p0d", 
                                   1*unit::cm, fP0DDepositedEnergy);
        p0d.AddVolumeName("P0D_");
        p0d.AddVolumeName("Bar_");
        p0d.GenerateHits(event);

        SElec::ISimplisticElec fgd("fgd","fgd");
        fgd.AddVolumeName("FGD");
        fgd.AddVolumeName("Bar_");
        fgd.GenerateHits(event);

        return true;
    }

    void Initialize() {
        fP0DDepositedEnergy = new TH2F("p0dDepositedEnergy", 
                                       "Energy vs Length in the P0D",
                                       50, 0.0, 15.0,
                                       200, 0.0, 5.0);
    }

private:
    bool fQuiet;

    /// A histogram of deposited energy versus track length.  This one is for
    /// the P0D.
    TH2F* fP0DDepositedEnergy;
    
};

int main(int argc, char **argv) {
    TSIMG4Elec userCode;
    cometEventLoop(argc,argv,userCode,1);
}