#!/bin/bash

echo -e "${RED}##################### Loading Process_EventBuilder.sh ${NC}"

if [ -z $SOLARISANADIR ]; then
  echo "###### env variable SOLARISANADIR not defined. Abort. Please run the SOLARIS.sh."
  echo "better add \"source <path_to_SOLARIS.sh>\" into .bashrc"
  exit 
fi

if command -v EventBuilder > /dev/null 2>&1; then
  echo "EventBuilder exists"
else
  echo -e "${RED}EventBuilder does not exist${NC}"
  echo -e "${RED}Create a symbolic link of the EventBuilder from the SOLARIS_DAQ/Aux/${NC}"
  exit
fi

if [ $# -ne 3 ] || [ $1 == "-help"  ]; then
  echo "$ Process_EventBuilder [RunNum] [EventBuild] [timeWin]"
  echo "        RunNum = run number"
  echo "      EventBld = 2/1/0/-1/-2   || 2 = with Trace"  
  echo "       timeWin = number of tick for an event  "  
  echo ""
  exit 1
fi;

RUN=$1
EventBld=$2
timeWin=$3

source ${SOLARISANADIR}/Armory/Process_BasicConfig
if [ -z $expName ]; then
    source $SOLARISANADIR/working/expName.sh
fi

runNum=${RUN#0} #remove zero
RUN=$(printf '%03d' $runNum) ##add back the zero

rawDataPattern="$rawDataPath/${expName}_${RUN}_*.sol"
rootDataName="$rootDataPath/run$RUN.root"

#==== check raw data exist
isRawDataExist=`ls -1 ${rawDataPattern}* 2>/dev/null | wc -l`

if [ ! $isRawDataExist -gt 0 ]; then
  echo -e "${LRED}################# Run Data $rawDataPattern not exist. Abort. ${NC}"
  exit
fi

echo -e "${YELLOW} ============== list of files ${NC}"
\du -h ${rawDataPattern}*
totSize=$(\du -hc ${rawDataPattern}* | tail -n 1 | awk '{print $1}')
echo -e "${YELLOW} ============== total file size : ${totSize}${NC}"


#==== check raw data timeStamp
if [ ${Arch} == "Linux" ]; then
  rawDataTime=`stat -c "%Z"  ${rawDataPattern}* | sort -rn | head -1`    
else
  rawDataTime=`stat -f "%Sm" -t "%Y%m%d%H%M%S" $rawDataPattern | sort -rn | head -1`    
fi

#==== check if root data exist
isRootDataExist=`ls -1 $rootDataName 2>/dev/null | wc -l`

#==== if root data exist, check timeStamp
if [ ${isRootDataExist} -gt 0 ]; then
  if [ ${Arch} == "Linux" ]; then
    rootDataTime=`stat -c "%Z" $rootDataName | sort -rn | head -1`
  else
    rootDataTime=`stat -f "%Sm" -t "%Y%m%d%H%M%S" $rootDataName | sort -rn | head -1`
  fi
else
  rootDataTime=0
fi


if [ ${EventBld} -eq 0 ]; then

  echo -e "${LRED}>>>>>>>>>>>>>>>>>>>>> Event Building Skipped by user. ${NC}"

elif [ ${EventBld} -ge 1 ]; then

  if [ ${rawDataTime} -ge ${rootDataTime} ]; then
      
    echo -e "${LRED}>>>>>>>>>>>>>>>>>>>>> Event Building $(date) ${NC}"
    if [ ${EventBld} -eq 1 ]; then
      EventBuilder $rootDataName ${timeWin} 0 $rawDataPattern
    elif [ ${EventBld} -eq 2 ]; then
      EventBuilder $rootDataName ${timeWin} 1 $rawDataPattern
    fi
    echo -e "${LRED}<<<<<<<<<<<<<<<< Done Event Building $(date) ${NC}"

  else
      echo -e "${GREEN} root data are newer than raw data. No need to merged again.${NC}"
      echo -e "${GREEN} You can Force merging using option -${EventBld}, ${ORANGE} see ./process_run.sh -help${NC}"
      echo -e "${LRED}>>>>>>>>>>>>>>>>>>>>> Event Building Skipped. ${NC}"
  fi

else

    echo -e "${LRED}>>>>>>>>>>>>>>> Force Event Building $(date) ${NC}"
    if [ ${EventBld} -eq -1 ]; then
      EventBuilder $rootDataName ${timeWin} 0 $rawDataPattern
    elif [ ${EventBld} -eq -2 ]; then
      EventBuilder $rootDataName ${timeWin} 1 $rawDataPattern
    fi
    echo -e "${LRED}<<<<<<<<<<<<<<<< Done Event Building $(date) ${NC}"

fi