nCore=15;

if [ $# -eq 0 ]; then
    echo "Usage: "
    echo " ./convertRoot.sh [Start_RunNum] [Stop_RunNum]"
    exit;
fi

runNum1=$1
runNum2=$2

overWrite=0
if [[ ${runNum1} -lt 0 ]]; then
  overWrite=1
  runNum1=$(( ${runNum1} * (-1) ))
fi
if [[ ${runNum2} -lt 0 ]]; then
  overWrite=1
  runNum2=$(( ${runNum2} * (-1) ))
fi

echo "is overWrite : ${overWrite} | ${runNum1} ${runNum2}"

for (( runNum=${runNum1}; runNum <=${runNum2}; runNum++)); do 

  nFile=$(ls -1 rawdata/run${runNum}/run*evt | wc -l)
  files=$(ls -1 rawdata/run${runNum}/run*evt)

  nLoop=$((${nFile}/nCore+1))

  echo "===== number of files in run-${runNum} = ${nFile}"
  echo "            number of loops = ${nLoop}"
  echo "================================================="

  i=0
  while [[ $i -lt ${nLoop} ]]; do

    j=0
    while [[ $j -lt ${nCore} ]]; do
      SegNum=$((${nCore}*i+j))
      
      if [[ ${SegNum} -ge ${nFile} ]]; then break; fi

        #patching the prefix ZERO
        if [ $runNum -lt 10 ]; then
          runPrefix="000"
        elif [ $runNum -lt 100 ]; then
          runPrefix="00"
        elif [ $runNum -lt 1000 ]; then
          runPrefix="0"
        fi
    
        #patching the prefix ZERO for segment
        if [ $SegNum -lt 10 ]; then
          segPrefix="0"
        else 
          segPrefix=""
        fi

      fileName=rawdata/run${runNum}/run-${runPrefix}${runNum}-${segPrefix}${SegNum}.evt
      outFileName=root_data/run-${runPrefix}${runNum}-${segPrefix}${SegNum}.root
      if [[ ${overWrite} -gt 0 ]]; then
        echo ${fileName}
        armory/EventBuilder ${outFileName} 1 250 ${fileName} > /dev/null &
      else
        if [[ -f ${outFileName} ]]; then
          echo "${outFileName} exist. Skip."
        else
          echo ${fileName}
          armory/EventBuilder ${outFileName} 1 250 ${fileName} > /dev/null &
        fi
      fi
      ((j += 1))
    done

    sleep 2
    
    SegNum0=$((${nCore}*i))
    SegNum1=$((${nCore}*i + j - 1 ))

    while true; do
      nthings=`ps aux | grep "armory/[E]ventBuilder"| wc -l`
      echo $(date)" || "$nthings" EventBuilder are running. $runNum, ${SegNum0}-${SegNum1}"
      
      if [[ $nthings > 0 ]]; then
        sleep 10;
      else
        break
      fi
    done

    ((i += 1))
  done

done