#!/bin/sh
#
# ========================================================================
#
# *
# * 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): Daniela Dorner  05/2007 <mailto:daniela.dorner@unige.ch>
#
#   Copyright: MAGIC Software Development, 2000-2010
#
#
# ========================================================================
#
# This script runs corsika.
# 

if [ "$SOURCEFILEPATH" = "" ]
then 
   source `dirname $0`/sourcefile
else
   source $SOURCEFILEPATH/sourcefile
fi
printprocesslog "INFO starting $0"
program=corsika
step=Corsika

set -C

export FLUPRO=$corsikapath'/fluka2008_3'

# printing input card to stdout
function printinputcard()
{
   # Run number
   echo "RUNNR "$file
   # Starting event number
   echo "EVTNR 1"
   # Number of simulated events
   echo "NSHOW "$numevts
   # Seed values for simulation
   echo "SEED "$seed1" 0 0 "
   echo "SEED "$seed2" 0 0 "
   echo "SEED "$seed3" 0 0 "
   # Primary particle
   echo "PRMPAR "$primparticle
   echo "ERANGE "$erange
   echo "ESLOPE "$slope
   # Simulation range (theta, phi, view cone, starting altitude)
   echo "THETAP "$zdrange
   echo "PHIP "$azrange
   echo "VIEWCONE 0. "$viewconemax
   echo "FIXCHI "$startalt
   # Observation level, magnetic field, atmosphere
   echo "OBSLEV "$obslev".E2"
   # From www.noaa.gov/geomagmodels roughly for January 2009. (was 29.5 and 23.0)
   # MAGNET BX BZ (BX is the horizontal component (muT) to the x-direction of
   # the detector, BZ is the vertical component (muT) downwards)
   echo "MAGNET "$magnet
   # Rotation angle between array x-direction and magnetic north direction
   # positive if array x-direction points to the west
   echo "ARRANG "$magnetrot
   # Atmosphere (model, true/false for atmospheric refraction of cer-photons)
   # Atmosphere read from atmprof11.dat
   # My current understanding is that only refraction (bending of light
   # but no absorption of photons is taken into account) setting T.
   echo "ATMOSPHERE "$atm" T"

   # Current boundaries in reflector program
   # echo "ATMLAY 400000 1000000 4000000 10000000"

   # Boundaries as determined by CORSIKA
   # Until we can read the result from the corsika fit we fix the
   # values which come out of the fit. This is not ideal but forces
   # things to be consistent. Be careful is using a different model -
   # the fit might not be ideal.
   echo "ATMLAY 775000 1650000 5000000 10500000"

   # Other parameters
   echo "RADNKG 200.E2"
   echo "ECUTS 0.3 0.3 0.02 0.02"
   echo "ECTMAP 1.E4"
   # Don't add muon particle data to output
   echo "MUADDI F"
   # Enable muon multiple scattering
   echo "MUMULT T"
   # Wavelength range (was originally 600)
   echo "CWAVLG "$wavelengths
   # MMCS
   echo "CSCAT "$numreuse" 0. "$impactmax
   # CORSIKA
   # echo "CSCAT "$numreuse" "$impactmax" 0."
   echo "CERSIZ 1."
   # Write Cherenkov photons to cer-file
   echo "CERFIL T"
   # Number of telescopes
   echo "CERTEL 1"
   # MMCS
   echo " 0. 0. 0. 0. 0. "$diameter" "$diameter
   # CORSIKA (x, y, z, r)
   # echo "TELESCOPE 0. 0. 0. "$diameter
   # This keyword has no relevance but allows to store the 
   # maximum simulated impact parameter. The "magic" is that
   # ceres interpretes the third and fourth argument as
   # maximum simulated impact if they are identical and
   # the other four arguments are 1
   # echo "CERARY 1 1 "$diameter" "$diameter" 1 1"
   # How the longitudinal shower development is sampled
   # echo "LONGI T 10. T F"
   echo "LONGI F 20 0 F F"
   # Maximum number of detailed particles to print
   echo "MAXPRT 0"
   # Suppress file with partciles reaching ground (DATnnnnnn)
   # FIXME: Should we make this switchable by the database?
   echo "PAROUT F F"
   # Don't write a database file
   echo "DATBAS F"
   # Switch off all debugging output
   echo "DEBUG F 6 F 1000000"
   # Output path
   echo "DIRECT "$outpath
   # DIRECT /dev/null
   # TELFIL filename
   # TELFIL | gzip
   # TELESCOPE X Y Z R
   # User and host (for convenience)
   echo "USER "`whoami`
   echo "HOST "`hostname`
   # End of input card
   echo "EXIT"
}


# get run # and file #
numchanged=0
while (( 0 < 21 ))
do 
   if ! [ $numchanged -eq 1 ]
   then 
      if ! [ "$run" = "" ] && ! [ "$file" = "" ]
      then
         printprocesslog "INFO $program for run $run and file $file is already running => request new number "
      fi
      gettodo "1" 
      run=${primaries[0]}
      file=${primaries[1]}
      if [ "$run" = "" ] || [ "$file" = "" ]
      then
         printprocesslog "INFO nothing to do for $program "
      fi
   else
      printprocesslog "INFO starting $program for run $run and file $file"
      break
   fi
   setstatus "start"
done

# running corsika
printprocesslog "INFO run $program for run $run  and file $file" 
printprocesslog "INFO create input card for run $run  and file $file" 

# get values for inputcard
query="SELECT fParticleTypeKEY FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
primparticle=`sendquery`
query="SELECT fEnergyMin, fEnergyMax FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
erange=`sendquery`
query="SELECT fNumEvents FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
numevts=`sendquery`
query="SELECT fEnergySlope FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
slope=`sendquery`
query="SELECT fZenithDistanceMin, fZenithDistanceMax FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
zdrange=`sendquery`
# Change from the MARS definition (Az=90 -> East) to Corsika (Az=90 -> West)
query="SELECT 180-fAzimuthMin, 180-fAzimuthMax FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
azrange=`sendquery`
query="SELECT fCorsikaSeed1 FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
seed1=`sendquery`
query="SELECT fCorsikaSeed2 FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
seed2=`sendquery`
query="SELECT fCorsikaSeed3 FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
seed3=`sendquery`
query="SELECT fImpactMax FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
impactmax=`sendquery`
query="SELECT fViewConeMax FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
viewconemax=`sendquery`
query="SELECT fStartingAltitude FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
startalt=`sendquery`
query="SELECT fMirrorDiameter FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
diameter=`sendquery`
query="SELECT fAtmosphericModelKEY FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
atm=`sendquery`
query="SELECT fObsLevel FROM CorsikaInfo LEFT JOIN Observatory USING(fObservatoryKEY) WHERE fRunNumber=$run AND fFileNumber=$file"
obslev=`sendquery`
query="SELECT fMagnetBX, fMagnetBZ FROM CorsikaInfo LEFT JOIN Observatory USING(fObservatoryKEY) WHERE fRunNumber=$run AND fFileNumber=$file"
magnet=`sendquery`
query="SELECT fMagnetRotation FROM CorsikaInfo LEFT JOIN Observatory USING(fObservatoryKEY) WHERE fRunNumber=$run AND fFileNumber=$file"
magnetrot=`sendquery`
query="SELECT fWavelengthMin, fWavelengthMax FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
wavelengths=`sendquery`
query="SELECT fNumReUseShowers FROM CorsikaInfo WHERE fRunNumber=$run AND fFileNumber=$file"
numreuse=`sendquery`

outpath=$mcpath"/"$program"/"`printf %08d $run | cut -c 1-4`/`printf %08d $run | cut -c 5-8`
makedir $outpath 
logfile=$outpath/cer000`printf %06d $file | cut -c 4-6`".log"

cd $corsikapath

printprocesslog "INFO executing 'printinputcard | ./cc6501p-linux >| $logfile 2>&1' in directory $corsikapath "
printinputcard | ./cc6501p-linux >| $logfile 2>&1

check1=$?
case $check1 in
   0)   printprocesslog "INFO $program finished successfully for run $run file $file (return code $check1)"
        if [ $file -gt 999 ]
        then 
           corsikafilenew=$mcpath/$program/`printf %08d $run | cut -c 1-4`/`printf %08d $run | cut -c 5-8`/cer000`printf %06d $file | cut -c 4-6`
           corsikafileold=$mcpath/$program/`printf %08d $run | cut -c 1-4`/`printf %08d $run | cut -c 5-8`/cer`printf %06d $file`
           if ! mv $corsikafileold $corsikafilenew
           then
              printprocesslog "ERROR could not mv $corsikafileold to $corsikafilenew"
              check=2
           fi
        fi
        if ! grep 'END OF RUN' $logfile
        then
           printprocesslog "ERROR could not find 'END OF RUN' in $logfile => unknown error for run $run file $file "
           check=2
        fi
        ;;
   *)   printprocesslog "ERROR $program failed for run $run file $file (return code $check1)"
        check=$check1
        ;;
esac

# removing empty datnnnnnn file
rm -f $outpath/dat`printf %06d $file`

setstatus "stop" 

finish