/* ======================================================================== *\
!
! *
! * This file is part of MARS, the MAGIC Analysis and Reconstruction
! * Software. It is distributed to you in the hope that it can be a useful
! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
! * It is distributed WITHOUT ANY WARRANTY.
! *
! * Permission to use, copy, modify and distribute this software and its
! * documentation for any purpose is hereby granted without fee,
! * provided that the above copyright notice appear in all copies and
! * that both that copyright notice and this permission notice appear
! * in supporting documentation. It is provided "as is" without express
! * or implied warranty.
! *
!
!
!   Author(s): Wolfgang Wittek, 04/2003 <mailto:wittek@mppmu.mpg.de>
!
!   Copyright: MAGIC Software Development, 2000-2003
!
!
\* ======================================================================== */

/////////////////////////////////////////////////////////////////////////////
//                                                                         //
//   MCT1SupercutsCalc                                                     //
//                                                                         //
/////////////////////////////////////////////////////////////////////////////
#include "MCT1SupercutsCalc.h"

#include <math.h>
#include <fstream.h>

#include "MLog.h"
#include "MLogManip.h"

#include "MParList.h"
#include "MHillasExt.h"
#include "MHillasSrc.h"
#include "MMcEvt.hxx"
#include "MCerPhotEvt.h"
#include "MGeomCam.h"
#include "MHadronness.h"

ClassImp(MCT1SupercutsCalc);

void MCT1SupercutsCalc::InitParams()
{
    //---------------------------------
    // cut parameters
    fLengthUp[0] = 0.315585; 
    fLengthUp[1] = 0.001455; 
    fLengthUp[2] = 0.203198; 
    fLengthUp[3] = 0.005532; 
    fLengthUp[4] =-0.001670;
    fLengthUp[5] =-0.020362; 
    fLengthUp[6] = 0.007388; 
    fLengthUp[7] =-0.013463;

    fWidthUp[0] = 0.145412; 
    fWidthUp[1] =-0.001771; 
    fWidthUp[2] = 0.054462; 
    fWidthUp[3] = 0.022280; 
    fWidthUp[4] =-0.009893;
    fWidthUp[5] = 0.056353; 
    fWidthUp[6] = 0.020711; 
    fWidthUp[7] =-0.016703;

    fDistUp[0] = 1.787943; 
    fDistUp[1] = 0.; 
    fDistUp[2] = 2.942310; 
    fDistUp[3] = 0.199815; 
    fDistUp[4] = 0.; 
    fDistUp[5] = 0.249909;
    fDistUp[6] = 0.189697; 
    fDistUp[7] = 0.;

    fLengthLo[0] = 0.151530; 
    fLengthLo[1] = 0.028323; 
    fLengthLo[2] = 0.510707; 
    fLengthLo[3] = 0.053089; 
    fLengthLo[4] = 0.013708;
    fLengthLo[5] = 2.357993; 
    fLengthLo[6] = 0.000080; 
    fLengthLo[7] =-0.007157;

    fWidthLo[0] = 0.089187; 
    fWidthLo[1] =-0.006430; 
    fWidthLo[2] = 0.074442; 
    fWidthLo[3] = 0.003738;
    fWidthLo[4] =-0.004256; 
    fWidthLo[5] =-0.014101; 
    fWidthLo[6] = 0.006126; 
    fWidthLo[7] =-0.002849;

    fDistLo[0] = 0.589406;
    fDistLo[1] = 0.;
    fDistLo[2] =-0.083964;
    fDistLo[3] =-0.007975;
    fDistLo[4] = 0.;
    fDistLo[5] = 0.045374;
    fDistLo[6] =-0.001750;
    fDistLo[7] = 0.;

    fAsymUp[0] = 0.061267; 
    fAsymUp[1] = 0.014462; 
    fAsymUp[2] = 0.014327; 
    fAsymUp[3] = 0.014540; 
    fAsymUp[4] = 0.013391;
    fAsymUp[5] = 0.012319; 
    fAsymUp[6] = 0.010444; 
    fAsymUp[7] = 0.008328;

    fAsymLo[0] =-0.012055; 
    fAsymLo[1] = 0.009157; 
    fAsymLo[2] = 0.005441; 
    fAsymLo[3] = 0.000399; 
    fAsymLo[4] = 0.001433;
    fAsymLo[5] =-0.002050; 
    fAsymLo[6] =-0.000104; 
    fAsymLo[7] =-0.001188;

    fAlphaUp[0] = 13.123440; 
    fAlphaUp[1] = 0.; 
    fAlphaUp[2] = 0.; 
    fAlphaUp[3] = 0.; 
    fAlphaUp[4] = 0.; 
    fAlphaUp[5] = 0.; 
    fAlphaUp[6] = 0.; 
    fAlphaUp[7] = 0.;
    //---------------------------------
}

// --------------------------------------------------------------------------
//
MCT1SupercutsCalc::MCT1SupercutsCalc(const char *hilname, 
                                     const char *hilsrcname, const char *name, const char *title)
: fHadronnessName("MHadronness"), fHilName(hilname), fHilSrcName(hilsrcname)
{
    fName  = name  ? name  : "MCT1SupercutsCalc";
    fTitle = title ? title : "Class to evaluate the Supercuts";

    InitParams();
}

// --------------------------------------------------------------------------
//
Bool_t MCT1SupercutsCalc::PreProcess(MParList *pList)
{
    fHil = (MHillas*)pList->FindObject(fHilName, "MHillas");
    if (!fHil)
    {
        *fLog << err << fHilName << " [MHillas] not found... aborting." << endl;
        return kFALSE;
    }

    fHilSrc = (MHillasSrc*)pList->FindObject(fHilSrcName, "MHillasSrc");
    if (!fHilSrc)
    {
        *fLog << err << fHilSrcName << " [MHillasSrc] not found... aborting." << endl;
        return kFALSE;
    }

    fMcEvt = (MMcEvt*)pList->FindObject("MMcEvt");
    if (!fMcEvt)
    {
        *fLog << err << "MMcEvt not found... aborting." << endl;
        return kFALSE;
    }

    MGeomCam *cam = (MGeomCam*)pList->FindObject("MGeomCam");
    if (!cam)
    {
        *fLog << err << "MGeomCam (Camera Geometry) not found... aborting." << endl;
        return kFALSE;
    }

    fMm2Deg = cam->GetConvMm2Deg();

    fHadronness = (MHadronness*)pList->FindCreateObj("MHadronness", fHadronnessName);
    if (!fHadronness)
        return kFALSE;

    return kTRUE;
}

// --------------------------------------------------------------------------
//
// Calculation of upper and lower limits
//
Double_t MCT1SupercutsCalc::CtsMCut(Double_t *a,  Double_t ls, Double_t ct,
                                    Double_t ls2, Double_t dd2)
{
    // define cut-function
    //
    //    dNOMLOGSIZE = 4.1 (=log(60.0)
    //    dNOMCOSZA   = 1.0
    //
    //      a: array of cut parameters
    //     ls: log(SIZE) - dNOMLOGSIZE
    //    ls2: ls^2
    //     ct: Cos(ZA.) - dNOMCOSZA
    //    dd2: DIST^2

    const Double_t limit =
        a[0] + a[1] * dd2 + a[2] * ct  +
        ls  * (a[3] + a[4] * dd2 + a[5] * ct) +
        ls2 * (a[6] + a[7] * dd2);

    //*fLog << "MCT1SupercutsCalc::CtsMCut; *a = "
    //      << *a     << ",  " << *(a+1) << ",  " << *(a+2) << ",  "
    //      << *(a+3) << ",  " << *(a+4) << ",  " << *(a+5) << ",  "
    //      << *(a+6) << ",  " << *(a+7) << endl;

    //*fLog << "MCT1SupercutsCalc::CtsMCut; ls, ls2, ct, dd2, limit = " << ls
    //      << ",  " << ls2 << ",  " << ct << ",  " << dd2 << ",  "
    //      << limit << endl;

    return limit;
}

// ---------------------------------------------------------------------------
//
// Evaluate dynamical supercuts for CT1 Mkn421 2001 (Daniel Kranich)
// optimized for mkn 421 2001 data
// 
//          set hadronness to 0.25 if cuts are fullfilled
//                            0.75 otherwise
//
Bool_t MCT1SupercutsCalc::Process()
{
    const Double_t dNOMLOGSIZE = 4.1;
    const Double_t dNOMCOSZA   = 1.0;

    const Double_t newdist = fHilSrc->GetDist() * fMm2Deg;

    const Double_t xbar    = fHil->GetMeanX();
    const Double_t ybar    = fHil->GetMeanY();
    const Double_t dist    = sqrt(xbar*xbar + ybar*ybar) * fMm2Deg;
    const Double_t dd2     = dist * dist;

    const Double_t dmls    = log(fHil->GetSize()) - dNOMLOGSIZE;
    const Double_t dmls2   = dmls * dmls;

    const Double_t dmcza = cos(fMcEvt->GetTelescopeTheta()) - dNOMCOSZA;

    const Double_t length  = fHil->GetLength() * fMm2Deg;
    const Double_t width   = fHil->GetWidth()  * fMm2Deg;

    //*fLog << "MCT1SupercutsCalc::Process; dmls, dmcza, dmls2, dd2 = "
    //      << dmls << ",  " << dmcza << ",  " << dmls2 << ",  "
    //      << dd2 << endl;

    //*fLog << "MCT1SupercutsCalc::Process; newdist, dist, length, width = "
    //      << newdist << ",  " << dist << ",  " << length << ",  "
    //      << width << endl;

    if (newdist < 1.05                                         &&
        newdist < CtsMCut (fDistUp,   dmls, dmcza, dmls2, dd2) &&
        newdist > CtsMCut (fDistLo,   dmls, dmcza, dmls2, dd2) &&
        dist    < 1.05                                         &&
        length  < CtsMCut (fLengthUp, dmls, dmcza, dmls2, dd2) &&
        length  > CtsMCut (fLengthLo, dmls, dmcza, dmls2, dd2) &&
        width   < CtsMCut (fWidthUp,  dmls, dmcza, dmls2, dd2) &&
        width   > CtsMCut (fWidthLo,  dmls, dmcza, dmls2, dd2) &&
        //asym  < CtsMCut (asymup,    dmls, dmcza, dmls2, dd2) &&
        //asym  > CtsMCut (asymlow,   dmls, dmcza, dmls2, dd2) &&
        dist    < CtsMCut (fDistUp,   dmls, dmcza, dmls2, dd2) &&
        dist    > CtsMCut (fDistLo,   dmls, dmcza, dmls2, dd2)  )
        fHadronness->SetHadronness(0.25);
    else
        fHadronness->SetHadronness(0.75);

    return kTRUE;
}
