#1/bin/bash

if [ $# -eq 0 ] || [ $1 == "-help"  ]; then
  echo "$./process_run [Run Folder] [Time Sort] [EventBuild] [Analysis]"
  echo "     Run Folder = the name of run folder"
  echo "      Time Sort =   1/0/-1    || 1 = sort, 0 = not sort, -1 = force sort "  
  echo "     EventBuild =   1/0/-1    || " 
  echo "       Analysis =   1/0/-1    || "
  echo ""
  exit 1
fi;

RunFolder=$1

TimeSort=1
if [ $# -gt 1 ]; then TimeSort=$2; fi
EventBuild=1
if [ $# -gt 2 ]; then EventBuild=$3; fi

DIR=$(pwd)
DATA_DIR=fsu_run_2021

RED='\033[1;31m'
YELLOW='\033[1;33m'
ORANGE='\033[0;33m'
GREEN='\033[1;32m'
BLUE='\033[0;34m'
Cyan='\033[0;36m'
NC='\033[0m'

#cd $RunFolder
#ls  -lhtr *.evt
cd $DATA_DIR/$RunFolder
fileList=$(ls *.evt)
numFile=$(ls -lhtr *.evt | wc -l)
count=0
cd $DIR

for a in $fileList 
do
  count=$((${count}+1))
  echo -e "$YELLOW>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ["$count"/"$numFile"]"
  echo -e  $a
  echo -e "------------------------------------------$NC"
  
  #............ check if *.to file exist, if yes, check timestamp, if timestamp is eariler, sort time

  if [ $TimeSort -eq 1 ]; then
    evtDateTime=`stat -c "%Z"  $DATA_DIR/$RunFolder/$a | sort -rn | head -1`  
    istoExist=`ls -1 $a.to | wc -l`
    if [ ${istoExist} -gt 0 ]; then
      echo "found $a.to"
      toDateTime=`stat -c "%Z"  $a.to | sort -rn | head -1`  
      if [ ${evtDateTime} -ge ${toDateTime} ]; then
        $DIR/$DATA_DIR/pxi-time-order $a 
      else
        echo "$a.to is generated after $a. skip."
      fi
    fi
  elif [ $TimeSort -eq 0 ]; then
    echo "skipped time sort by user."
  else
    echo "force Time sort"
    $DATA_DIR/pxi-time-order $DATA_DIR/$RunFolder/$a 
  fi
  

  #............ check if *.root file exist, if yes, check timestamp, if timestamp is eariler, built
  
  if [ $EventBuild -eq 1 ]; then
    len=`echo $a | wc -c`
    len=$(($len-5))
    rootFile=${a:0:$len}".root"
    isRootExist=`ls -1 $rootFile | wc -l`
    if [ ${isRootExist} -gt 0 ]; then
      echo "found $rootFile"
      rootDateTime=`stat -c "%Z"  $rootFile | sort -rn | head -1`  
      if [ ${toDateTime} -ge ${rootDateTime} ]; then
        $DATA_DIR/pixie2root $a.to
      else
        echo "$rootFile is generated after $a.to skip."
      fi
    fi  
  elif [ $TimeSort -eq 0 ]; then
    echo "skipped event build by user."
  else
    echo "force event build"
    $DIR/pixie2root $a.to
  fi
  
done

fileList=$(ls *.root)

cd $DIR