#!/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  10/2006 <mailto:dorner@astro.uni-wuerzburg.de>
#
#   Copyright: MAGIC Software Development, 2000-2007
#
#
# ========================================================================
#
#
#
##############################################################################
#
# This script can be used to run the following steps for one sequence:
#  - callisto
#  - merppupdate
#  - star
#
# You have to set the path, where your Mars version can be found, the outpath,
# where you want to store the output and the sequencenumber of the sequence
# you want to process
# 
##############################################################################

#to be set by the user (if you don't use the command-line options)
#path of your output directory
outpath=""
#give either sequence number or sequence file (including path)
sequence=""
sequfile=""

function usage()
{
   echo "Usage: $0 [options]"
   echo "options:"
   echo -n "  --sequ sequence#       "
   echo " giving number of sequence which shall be processed "
   echo -n "  --sequ-file sequfile   "
   echo " giving sequencfile (including path) of sequence which shall be processed "
   echo -n "  --out outpath          "
   echo " giving the path where all outputfiles are stored "
   echo -n "  -cal                   "
   echo " running only calibration"
   echo -n "  --cal-rc               "
   echo " giving a differnt callisto rc file"
   echo -n "  --star-rc              "
   echo " giving a differnt star rc file"
   echo -n "  -b                     "
   echo " running in non-interactive mode (i.e. you are not asked if the paths are ok)"
   echo -n "  -star                  "
   echo " running only star"
   echo ""
   echo "Remarks: "
   echo    " - you can set the needed variables also in the script "
   echo    " - you have to set the outpath and either the sequence number or the sequence "
   echo    "   file (if both is set, the sequence given by the sequencefile is processed)"
   echo    " - you have to execute the script from your mars directory"
   echo    " - in your outpath a calibration directory (callisto/sequencenumber), a "
   echo    "   directory for the image fiels (star/sequencenumber) and a directory for "
   echo    "   the merpplogs in the calibration directory are created. "
   echo "" 
   exit
}

function checkreturncode()
{
   case $check in 
      0)  echo "$program finished sucessfully"
          echo ""
          ;;
      [1-9]|[0-9][0-9]|1[0-1][0-9]|12[0-7])
          echo -n "ERROR@$HOSTNAME: $program returned $check - please check the logfile $logfile"
          if [ "$program" == "callisto" ]
          then 
             echo -n " - for more details see http://www.astro.uni-wuerzburg.de/datacenter/instructions/intern/errorcoding.txt"
          fi
          echo " you executed the following command: "$command
          exit
          ;;
      *)  echo -n "ERROR@$HOSTNAME: $program returned $check - please check the logfile $logfile"
          echo -n " $program returned a signal > 127 ($check)"
          echo " you executed the following command: "$command
          exit;;
   esac
}

subsystempath=/magic/subsystemdata

interactive="yes"

# get options from the command line
while [ "$1" ]
do 
   case $1 in 
           --sequ)  shift
                    sequence=$1
                    ;;
            --out)  shift
                    outpath=$1
                    ;;
               -b)  interactive='no'
                    ;;
             -cal)  cal='yes'
                    ;;
            -star)  star='yes'
                    ;;
      --sequ-file)  shift
                    sequfile=$1
                    ;;
        --star-rc)  shift
                    starrc=$1
                    ;;
         --cal-rc)  shift
                    calrc=$1
                    ;;
               -h)  usage
                    ;;
                *)  echo "unknown option $1 "
                    usage
                    ;;
   esac
   shift
done

if [ "$outpath" = "" ]
then
   echo "WARNING outpath has not been set"
   echo ""
   usage
fi

if [ "$sequence" = "" ] && [ "$sequfile" = "" ]
then
   echo "WARNING neither sequ nor sequfile has been set"
   echo ""
   usage
fi

echo ""
echo "You have set the variables to: "
echo " outpath:  "$outpath

# get sequence file and number
if [ "$sequfile" = "" ]
then 
   if ! n8=`printf %08d $sequence`
   then
      echo "your sequence number is not valid"
      usage
      exit
   fi
   no=`echo $n8 | cut -c 1-4`
   sequfile="/magic/sequences/"$no"/sequence$n8.txt"
   echo " sequence: "$sequence
   echo " sequfile: "$sequfile
else
   echo " sequfile: "$sequfile
   # get sequence number from file (for path and log names)
   array=( `grep "Sequence: " $sequfile` )
   n8=`printf %08d ${array[1]}`
fi

# define outpaths for callisto and star
calpath=$outpath"/callisto/$n8"
echo " path where calibration files are stored : "$calpath
if ! [ "$cal" = "yes" ] || [ "$star" = "yes" ]
then 
   starpath=$outpath"/star/$n8"
   echo " path where star files are stored        : "$starpath
fi

# rcfiles
if ! [ "$calrc" = "" ]
then 
   echo "You chose a different callisto rc file: $calrc "
fi
if ! [ "$starrc" = "" ]
then 
   echo "You chose a different star rc file: $starrc "
fi

# interactive mode
#  user is asked if paths are correct 
if [ "$interactive" = "yes" ]
then 
   echo ""
   echo "paths ok? continue?"
   echo "please insert y, if you want continue"
   echo "              n, if you want quit"

   answer=`head -n 1`
   case $answer in
      y) echo "continue processing sequence"
         ;;
      n) exit
         ;;
      *) echo "your answer is not clear -> exit"
         exit
         ;;
   esac
fi

# calibrate sequence
if ! [ "$star" = "yes" ] || [ "$cal" = "yes" ]
then 
   mkdir -pv $calpath

   program=callisto
   echo "run $program..."
   logfile=$calpath/$program$n8.log
   command="./$program -b -q -f --log=$logfile --out=$calpath "
   if ! [ "$calrc" = "" ]
   then 
      command=$command" --config=$calrc "
   fi
   command=$command" $sequfile "
   echo $command 
   $command
   check=$?
   checkreturncode

   calfiles=`find $calpath -name 20[0-2][0-9][01][0-9][0-3][0-9]_*_Y_*.root`

   echo "run merpp update for calibrated files..."
   echo "calibrated data files: "$calfiles

   for calfile in ${calfiles[@]}
   do
      echo "calfile: "$calfile
      outpath=`dirname $calfile`

      runno=`basename $calfile | cut -d_ -f2 | sed -e 's/^0//' | sed -e 's/^0//' | sed -e 's/^0//' `
      echo "finding cc and cacofile for run $runno..."
      date=`date --date \`basename $calfile | cut -d_ -f1\` +%Y/%m/%d`
      ccpath=$subsystempath/cc/$date
      cacopath=$subsystempath/caco/$date
      ccfile=`find $ccpath -name 20[0-2][0-9][01][0-9][0-3][0-9]_*${runno}_[PDCS]_*_S.rep`
      source=`echo $ccfile | cut -d_ -f4`
      cacofile=`find $cacopath -name dc_20[0-2][0-9]_[01][0-9]_[0-3][0-9]_*${runno}_${source}.txt`
      if [ "$cacofile" = "" ]
      then
         echo "no cacofile found for run "$runno
         echo "finding cacofile..."
         for (( i = 0; i <= 10; i++ ))
         do
            newrun=`echo $runno - $i | bc`
            cacofile=`find $cacopath -name *$newrun*`
            if [ "$cacofile" = "" ]
            then
               continue
            else
               break
            fi
         done
      fi
      if [ "$ccfile" = "" ]
      then
         echo "no ccfile found for run "$runno
         exit
      fi
      if [ "$cacofile" = "" ]
      then
         echo "no cacofile found for run "$runno
         exit
      fi
      echo "ccfile: "$ccfile
      echo "cacofile: "$cacofile

      merpplogpath=$outpath"/merpplogs"
      mkdir -pv $merpplogpath

      program=merppccupdate
      logfile=$merpplogpath/$program$runno.log
      command="./merpp -u --log=$logfile --runfile=$runno $ccfile $calfile "
      echo $command
      $command
      check=$?
      checkreturncode
      
      program=merppcacoupdate
      logfile=$merpplogpath/$program$runno.log
      command="./merpp -u --log=$logfile --auto-time $cacofile $calfile"
      echo $command
      $command
      check=$?
      checkreturncode
      
   done
   echo "merppupdate is finished"
   echo ""
fi

# run star for sequence
if ! [ "$cal" = "yes" ] || [ "$star" = "yes" ]
then 
   mkdir -pv $starpath

   program=star
   echo "run $program..."
   logfile=$starpath/$program$n8.log
   command="./$program -b -q -f --log=$logfile --out=$starpath "
   if ls $calpath >/dev/null 2>&1
   then 
      command=$command"--ind=$calpath "
   fi
   if ! [ "$starrc" = "" ]
   then 
      command=$command" --config=$starrc "
   fi
   command=$command" $sequfile"
   echo $command
   $command
   check=$?
   checkreturncode
fi