#!/bin/bash

DIR=$(pwd)
TIMEWINDOW=100

Method=1  #1 : evt -> evt.to -> root , 2 : evt -> _raw.root -> root

if [ $Method -eq 1 ]; then
  DATA_DIR=. 
else
  DATA_DIR=data
fi

if [ $# -eq 0 ] || [ $1 == "-help"  ]; then
  echo "$./process_run [RunFile] [Merge] [BuildEvents] [Analysis]"
  echo "     Run Folder = the name of run folder"
  echo "          Merge =   1/0/-1    || 1 = merge, 0 = not merge, -1 = force merge "  
  echo "    BuildEvents =   1/0/-1    || if |x| > 1, take last x %, e.g. 10, last 10 %" 
  echo "       Analysis =   1/0/-1    || "
  echo ""
  
  if [ $Method -eq 1 ]; then 
    ls -l --color $DATA_DIR/data/ 
  fi
  
  exit 1
fi;

RunFile=$1
RunFolder=$1

isMerge=1
if [ $# -gt 1 ]; then isMerge=$2; fi
isBuildEvents=1
if [ $# -gt 2 ]; then isBuildEvents=$3; fi
isAnalysis=1
if [ $# -gt 3 ]; then isAnalysis=$4; fi

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'

################################### method 1 evt -> evt.to -> root
if [ $Method -eq 1 ]; then

  if [ -f $RunFile ]; then 
    echo -e "found evt files.  "${RunFile}
  else
    echo -e "!!!!! cannot found evt files ${RunFile}. Abort."
    exit
  fi
  
  pos=`expr index "${RunFile}" /`
  temp=${RunFile:pos}
  pos=`expr index "${temp}" /`
  toFile=${temp:pos}".to"
  pos=`expr index "${toFile}" .`
  pos=$((pos-1))
  if [ ${isBuildEvents} -gt 1 ]; then
    rootFile=${toFile:0:pos}"_${isBuildEvents}.root"
  else
    rootFile=${toFile:0:pos}".root"
  fi
  
  #echo ${RunFile}
  #echo ${toFile}
  #echo ${rootFile}
 
  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Time sort evt to evt.to $NC"
  if [ $isMerge -eq 1 ]; then
    if [ -f ${toFile} ]; then #_raw.root exist
      #check evt DateTime
      evtDateTime=`stat -c "%Z"  ${RunFile} | sort -rn | head -1`  
      toDateTime=`stat -c "%Z" ${toFile} | sort -rn | head -1`
      if [ $evtDateTime -gt $toDateTime ]; then #if evt file is newer
        ./armory/pxi-time-order ${RunFile}
        echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Time sort finished$NC"
      else
        echo "there is no newer evt files"
      fi
    else
      ./armory/pxi-time-order ${RunFile}
      echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Time sort finished$NC"
    fi
  fi

  if [ $isMerge -eq 0 ]; then
    echo -e "$YELLOW skipped by user $NC"
  fi

  if [ $isMerge -eq -1 ]; then
    echo -e "$YELLOW forced by user $NC"
    ./armory/pxi-time-order ${RunFile}
    echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Time sort finished$NC"
  fi


  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Build Events $NC"
  if [ ${isBuildEvents} -eq 1 ]; then
    if [ -f ${rootFile} ]; then # root exist
      toDateTime=`stat -c "%Z" ${toFile} | sort -rn | head -1`
      rootDateTime=`stat -c "%Z" ${rootFile} | sort -rn | head -1`
      if [ ${toDateTime} -gt ${rootDateTime} ]; then
          ./armory/to2root ${toFile} $TIMEWINDOW
        echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Build Events finsihed.$NC"
      else
        echo -e "${rootFile} is up-to-date."
      fi
    else
      ./armory/to2root ${toFile} $TIMEWINDOW
      echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Build Events finsihed.$NC"
    fi 
  fi

  if [ ${isBuildEvents} -eq 0 ]; then
    echo -e "$YELLOW skipped by user $NC"
  fi

  if [ ${isBuildEvents} -le -1 ] ||  [ ${isBuildEvents} -gt 1 ];  then
    echo -e "$YELLOW forced by user $NC"
    if [ ${isBuildEvents} -lt 1 ] || [ ${isBuildEvents} -gt 1 ]; then
      ./armory/to2root ${toFile} $TIMEWINDOW ${isBuildEvents} ${rootFile}
    else
      ./armory/to2root ${toFile} $TIMEWINDOW
    fi
    echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Build Events finsihed.$NC"
  fi


  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Analysis $NC"
  if [ ${isAnalysis} -eq 1 ]; then
    root -l "process_run.c(\"${rootFile}\")"
  fi

  if [ ${isAnalysis} -eq 0 ]; then
    echo -e "$YELLOW skipped by user $NC"
  fi

  if [ ${isAnalysis} -eq -1 ]; then
    echo -e "$YELLOW forced by user $NC"
    root -l "process_run.c(\"${rootFile}\")"
  fi


fi



################################### method 2 evt -> _raw.root -> root
if [ $Method -eq 2 ]; then

  if [ -f $DATA_DIR/$RunFolder/*.evt ]; then 
    echo -e "found evt files."
  else
    echo -e "cannot found any evt files in $DATA_DIR/$RunFolder/. Abort."
    exit
  fi

  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Merge evt files to ${RunFolder}_raw.root $NC"
  if [ $isMerge -eq 1 ]; then
    # check is ${RunFolder}"_raw.root" exist
    if [ -f ${RunFolder}_raw.root ]; then #_raw.root exist
      #check evt DateTime
      evtDateTime=`stat -c "%Z"  $DATA_DIR/$RunFolder/*.evt | sort -rn | head -1`  
      rawRootDateTime=`stat -c "%Z" ${RunFolder}"_raw.root" | sort -rn | head -1`
      if [ $evtDateTime -gt $rawRootDateTime ]; then #if evt file is newer
        ./armory/MergeEVT ${RunFolder}"_raw.root" `ls ${DATA_DIR}/${RunFolder}/*.evt`
      else
        echo "there is no newer evt files"
      fi
    else
      ./armory/MergeEVT ${RunFolder}"_raw.root" `ls ${DATA_DIR}/${RunFolder}/*.evt`
    fi
  fi

  if [ $isMerge -eq 0 ]; then
    echo -e "$YELLOW skipped by user $NC"
  fi

  if [ $isMerge -eq -1 ]; then
    echo -e "$YELLOW forced by user $NC"
    ./armory/MergeEVT ${RunFolder}"_raw.root" `ls ${DATA_DIR}/${RunFolder}/*.evt`
  fi
  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Merge finished$NC"


  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Build Events$NC"
  if [ ${isBuildEvents} -eq 1 ]; then
    if [ -f ${RunFolder}.root ]; then # root exist
      rawRootDateTime=`stat -c "%Z" ${RunFolder}"_raw.root" | sort -rn | head -1`
      rootDateTime=`stat -c "%Z" ${RunFolder}".root" | sort -rn | head -1`
      
      if [ ${rawRootDateTime} -gt ${rootDateTime} ]; then
        ./armory/EventBuilder ${RunFolder}"_raw.root" $TIMEWINDOW
      else
        echo -e "${RunFolder}.root is up-to-date."
      fi
    else
    ./armory/EventBuilder ${RunFolder}"_raw.root" $TIMEWINDOW
    fi 
  fi

  if [ ${isBuildEvents} -eq 0 ]; then
    echo -e "$YELLOW skipped by user $NC"
  fi

  if [ ${isBuildEvents} -eq -1 ]; then
    echo -e "$YELLOW forced by user $NC"
    ./armory/EventBuilder ${RunFolder}"_raw.root" $TIMEWINDOW
  fi
  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Build Events finsihed.$NC"


  echo -e "$RED>>> `date` >>>>>>>>>>>>>>>>>>>>>>> Analysis $NC"
  if [ ${isAnalysis} -eq 1 ]; then
    root -l "process_run.c(\"${RunFolder}.root\")"
  fi

  if [ ${isAnalysis} -eq 0 ]; then
    echo -e "$YELLOW skipped by user $NC"
  fi

  if [ ${isAnalysis} -eq -1 ]; then
    echo -e "$YELLOW forced by user $NC"
    root -l "process_run.c(\"${RunFolder}.root\")"
  fi

fi