#!/bin/sh -xvf
#download SCA file, proceed to introspection, and upload results
DATE=/bin/date
GREP=/bin/grep
AWK=/bin/awk
ECHO=/bin/echo
WC=/usr/bin/wc
CAT=/bin/cat
PRINTF=/usr/bin/printf
FIND=/usr/bin/find
MKDIR=/bin/mkdir
XARGS=/usr/bin/xargs
SORT=/bin/sort
RM=/bin/rm
TR=/usr/bin/tr
CP=/bin/cp
LS=/bin/ls
CHMOD=/bin/chmod

DefaultIFS=$' \t\n'
IFS=$DefaultIFS

#set Irods environment    
. /usr/local/shared/bin/irods_env.sh -noverbose

scriptName="`basename $0`"
#$ECHO "Processing script ${scriptName} at `date`"

#$ECHO "SHOULD BE RETUNED FOR THE inPath cmd line of analyse.cc (Sorry...): 21/7/11 by JEC"
#exit 1

#Process cmd line args: the -src option is mandatory (source name as Abell85)
sourceRadio=
dateSelected=
#use -sim option to simulate processing (debug the script as if...)
simulationMode=Off
while [ $# -gt 0 ]
do
  case "$1" in
      -src)  sourceRadio=$2; shift;;
      -date) dateSelected=$2;     shift;;
       -sim) simulationMode=On;;
	-h)
	    echo >&2 \
	    "usage: $0 -src souce -date YYYYMMDD [-sim]"
	    exit 1;;
	*)  break;;	# terminate while loop
    esac
    shift
done

if [ ${simulationMode} = "On" ]; then
    $ECHO "INFO ${scriptName} running in SIMUL mode"
fi


if [ "<${sourceRadio}>" = "<>" ]; then
    $ECHO "FATAL: You have forgotten to select the source option (-src)"
    exit 1
fi

case ${sourceRadio} in
    Abell85) $ECHO "INFO (${scriptName}): process ${sourceRadio}";;
    Abell2440) $ECHO "INFO (${scriptName}): process ${sourceRadio}";;
    Abell1205) $ECHO "INFO (${scriptName}): process ${sourceRadio}";;
    *) ECHO "FATAL (${scriptName}): process ${sourceRadio} not yet foreseen"
    exit 1;;
esac


srclower=`${ECHO} ${sourceRadio} | ${TR} "[:upper:]" "[:lower:]" `

#Path to public backupable path
publicpath="/afs/in2p3.fr/home/c/campagne/public"


#temporary files to synchronize scripts
tmppublicpath=${TMPPUBLICPATH}
$LS -l ${tmppublicpath} > /dev/null
#clean previous spurious files
$RM -f ${tmppublicpath}/*.finished


#Path where the job will do temporary IO
if [ ${ENVIRONMENT} = "INTERACTIVE" ]; then
    iojobpath="/sps/baoradio/AmasNancay/JEC"
    $MKDIR -p $iojobpath
    $ECHO "Usage in INTERACTIVE may be destructive... To be used with great care !!!!"
    exit 0;   
elif [ ${ENVIRONMENT} = "BATCH" ] ; then
    iojobpath=${TMPBATCH}
else
    $ECHO "FATAL (${scriptName}): environment is ${ENVIRONMENT} not allowed"
    exit 1
fi
cd ${iojobpath}

localpath="${sourceRadio}"
$MKDIR -p ./${localpath}
cd ./${localpath}

#save the top directory
topDir=`pwd`

#Path of the utility scripts
scriptpath=${SCRIPTPATH}


#JEC 1/10/11 Use generic baodaqstatus name 
#get the daq current irod status
#tag=`${DATE} +%F`
#OUT1=${publicpath}/baodaqstatus-${tag}.txt
OUT1=${publicpath}/baodaqstatus-current.txt

if [ ! -e ${OUT1}  -o ! -r ${OUT1} ]; then
    $ECHO "FATAL (${scriptName}): ${OUT1} has a problem"
    exit 1
fi

#
$ECHO "You have selected sourceRadio = $sourceRadio [date = ${dateSelected}]"
tableau=( `$GREP -i "${dateSelected}${srclower}" ${OUT1} | $AWK '( NF==4 ) { print $2 }' ` )
IFS='
'
tableau=( $( $PRINTF "%s\n" "${tableau[@]}" | $AWK 'x[$0]++ == 0' ) )
IFS=$DefaultIFS


for i in ${tableau[@]}
  do
# start a "fresh" session  
  cd ${topDir}
  $LS | $XARGS -i $RM -rf {}

  $ECHO "DEBUG (${scriptName}): irods root dir $i"
  dateDAQ=`$ECHO ${i} | $AWK '{split($0,a,"/"); print a[6];}' | $AWK "{sub(/${srclower}/,\"\"); print}"`

  $LS -lrt

######
  $ECHO ">>>>>>>>>>>>> ANALYSIS Part of ${sourceRadio} ${dateDAQ}"
#go to the .../source/date-sourcelowercase directory
  $MKDIR -p ${topDir}/${dateDAQ}${srclower}
  cd ${topDir}/${dateDAQ}${srclower}
  aboveOnOffDir=`pwd`
  $ECHO "DEBUG (${scriptName}): we are in directory: <`pwd`>"
# So the input files are there, so the fits file can be determined
  mode="Off"
  spectraGenDirName=`$ECHO ${gaincycle} | $AWK '{match($0,"[a-zA-Z]+",arr); print arr[0]}'`
  cycleNumber=`$ECHO ${gaincycle} | $AWK '{match($0,"[0-9]+",arr); print arr[0]}'`
#care: the gaincycle variable contains the cycle number
  $ECHO "DEBUG (${scriptName}): START download the fits files"
  inFileDirectory="./${mode}"
  $MKDIR -p ${inFileDirectory}
  irodsDownDir="${i}/${mode}/${gaincycle}"
  OUT=./getInFits.$$
  iget -r -f -K ${irodsDownDir} ${inFileDirectory} > ${OUT} 2>&1
  $LS ${inFileDirectory}/${gaincycle}
  igetStatus=`$GREP "^ERROR" ${OUT}`
  if [ "<$igetStatus>" != "<>" ]; then
      $ECHO "FATAL (${scriptName}): error while iget fits files:"
      $ECHO $igetStatus
      continue
  fi
  $RM -f ${OUT}
  $ECHO "DEBUG (${scriptName}): END download the fits files"
#Get sca files
  $ECHO "DEBUG (${scriptName}): START call getscafiles.sh ${sourceRadio} ${dateDAQ}"
  OUT1=./getScaStatus.$$
  $RM -f ${tmppublicpath}/getscafiles.finished
  ${scriptpath}/getscafiles.sh ${sourceRadio} ${dateDAQ} > ${OUT1} 2>&1
  while [ ! -f "${tmppublicpath}/getscafiles.finished" ]; do
      $ECHO "INFO (${scriptName}): waiting for ${tmppublicpath}/getscafiles.finished"
      date +%T
      sleep 30
  done
  $RM ${tmppublicpath}/getscafiles.finished
  $ECHO "DEBUG (${scriptName}): END"
#
  getScaStatus=`$GREP "^\(FATAL\|ERROR\)" ${OUT1}`
#	
  if [ "<${getScaStatus}>" != "<>" ]; then
      $ECHO "FATAL (${scriptName}): error to get sca file for $sourceRadio $dateDAQ"
      $ECHO "DEBUG (${scriptName}): START with cat ${OUT1}"
      $CAT ${OUT1}
      $ECHO "DEBUG (${scriptName}): END"
      continue
  fi
  $RM -f ${OUT1}
  $ECHO "DEBUG (${scriptName}): where am i `pwd`"
  $LS -lrt
  
  scaFile=`$FIND . -name "sca*.sum.trans" | $XARGS -i basename {}`
#	
#the default spectra name is medfiltmtx, otherwise use -specname <a_string>
  logFile="analyse_GAIN_${sourceRadio}_${dateDAQ}.log"
  $ECHO "DEBUG (${scriptName}): execute the analysis... should not take long. `date`"
  if [ ${simulationMode} = "On" ]; then
      $ECHO "SIMUL: ${scriptpath}/Objs/analyse -act gain  -inPath ${iojobpath} -source  ${sourceRadio} -date ${dateDAQ} -sca ${scaFile} -specdir ${spectraGenDirName} -mode ${mode} -numcycle ${cycleNumber},${cycleNumber} -debug 1 >& ${logFile}"
      cat > ${logFile} <<EOF
      Ok gain finished
EOF

  else
      ${scriptpath}/Objs/analyse -act gain  -inPath ${iojobpath} -source  ${sourceRadio} -date ${dateDAQ} -sca ${scaFile} -specdir ${spectraGenDirName} -mode ${mode} -numcycle ${cycleNumber},${cycleNumber} -debuglev 1 >& ${logFile}
  fi
#
  $ECHO "DEBUG (${scriptName}): analysis finished `date`. Look for errors before saving to Irods"
  rcstatus=`$GREP -i "OK gain finished" ${logFile} | $WC -l`
  if [ ${rcstatus} -eq 0 ]; then
      $ECHO "INFO (${scriptName}): analysis problem for ${sourceRadio} ${dateDAQ}"
      $ECHO "                      START logfile"
      $CAT ${logFile}
      $ECHO "                      END   logFile"
#clean and leave
      cd ${aboveOnOffDir}
      $RM -rf ./*
      continue
  fi
#Save into Irods
  $ECHO "DEBUG (${scriptName}): START save output files"
  $LS ${aboveOnOffDir}
#use -f option of iput ONLY to force override
  if [ ${simulationMode} = "On" ]; then
      $ECHO "SIMUL: here we look for gain file and put them in Irods"
  else
      $FIND . -name "gain_*" -print | $XARGS -i  iput -f -v -K {} ${i}
  fi
#save analysis logfile
  $LS -l ${tmppublicpath} > /dev/null
  $CP ${logFile} ${tmppublicpath}
  $ECHO "DEBUG (${scriptName}): END save output files"
#clean
  cd ${aboveOnOffDir}
  $LS | $XARGS -i $RM -rf {}

done

exit 0