#Get the INTAS release number
RELEASE=${PATH##*/OCU_}
RELEASE=${RELEASE%%/bin:*}

DEBUGGING=''
WhenToRun="01:00"

FilesToBackup='*.track* *.xml *.vm* *.gz Trace* TRACE* *.core *.out fcif_data_* esi_error_* *.rollback *.sed R.* APStatus_*log* *.output* send_mail* downenv* check_env* intaspurge_db_* sqlnet.log *.rpt *.html *.csv *.log*'
FilesToDelete='*.log* *_log*'
FileLocation='$INTAS_INSTALL_DIR/envsw/logs'

PID_Templates='Trace\([0-9][0-9][0-9][0-9][0-9]\)_.* TRACE_\([0-9][0-9][0-9][0-9][0-9]\)_.* .*_\([0-9][0-9]*\).out'
Progname=$(basename $0)

Usage="Usage:$Progname"'[-a <delete or backup] [-t <time>] [-l|-L <backup location>]' 
     IsCronJob=0
if [[ "$1" = "cron" ]]; then
	. ~/.kshrc
	IsCronJob=1
	if [[ -z "$INTAS_INSTALL_DIR" ]]; then
		echo "You must be logged in as the application owner to delete the middle tier logs"
		return 1
        fi	
fi

BackupLocation="$INTAS_INSTALL_DIR/mt_backup"
TEMPDIR=/tmp
if [[ -d $INTAS_INSTALL_DIR/envsw/tmp ]]; then
	TEMPDIR=$INTAS_INSTALL_DIR/envsw/tmp
fi

mt_clean_errfile="$INTAS_INSTALL_DIR/envsw/logs/mt_clean.$(date +%a)"

cfile=$(/bin/ls -1t $(find $INTAS_INSTALL_DIR -follow -name 'CommonScriptSetup.ksh') | head -1)

if [[ -x $cfile ]]; then
	export PATH=$PATH:$(dirname $cfile)
	. $cfile
else
	echo "Unable to find common include file needed for execution"
        if [[ $IsCronJob -eq 1 ]]; then
	  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
	fi
	return 1
fi
   
while getopts a:t:l:L:d optvar
do
	case $optvar in

	a)option="$OPTARG"
            echo "Delete or Backup option"
            if [[ $option = "delete" ]]; then
              for files in $FileLocation
               do
                touch $files $files.$(date +%a)
                cd /intasmut2/envsw/logs
                rm -f $FilesToDelete
                echo " Middletier is cleaned up" 
                done
            fi
             if [[ $option = "backup" ]]; then
             cd /intasmut2/envsw/logs
             mkdir -p $BackupLocation >/dev/null 2>&1
             cp $FilesToDelete $BackupLocation 
             fi
             ;; 
	t) WhenToRun="$OPTARG"
		if [[ $WhenToRun = "never" ]]; then
			WhenToRun='24:00'
		fi
		if [[ $WhenToRun = "now" ]]; then
			IsCronJob=1
			WhenToRun='24:00'
		fi
		if /bin/echo $WhenToRun | egrep '^[0-9]{1,2}:[0-5][0-9]$' >/dev/null; then
		  : Time is correct format
		else
			echo "Incorrect time format, time must be in HH:MM format"
			return $E_INT_INVALID_ARGS
		fi
		;;
	l) BackupLocation="$OPTARG"
		if [[ ! -d $BackupLocation ]]; then
			echo "Non-existant directory specified"
        		if [[ $IsCronJob -eq 1 ]]; then
	  		  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
			fi
			return $E_INT_MISSING_DIR
		fi
		if [[ $BackupLocation != *backup ]]; then
			echo "Appending backup subdirectories"
			BackupLocation=$BackupLocation/backup
			mkdir -p $BackupLocation >/dev/null 2>&1
  		if [[ ! -d $BackupLocation ]]; then
    		echo "Unable to make backup directory: $BackupLocation"
        		if [[ $IsCronJob -eq 1 ]]; then
	  		  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
			fi
			return $E_INT_MISSING_DIR
  		fi
		fi
		l_flag=Y
		Llcron=l
		;;
	L) BackupLocation="$OPTARG"
		Parent=$(expr $BackupLocation : '\(.*\)/.*' \| $BackupLocation)
		if [[ ! -d $Parent ]]; then
			echo "Non-existant directory specified"
        		if [[ $IsCronJob -eq 1 ]]; then
	  		  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
			fi
			return $E_INT_MISSING_DIR
		fi
		if [[ $IsCronJob -eq 1 ]]; then
			BackupLocation=$BackupLocation$(date +%w)
			if [[ ! -d $BackupLocation ]]; then
				mkdir -p $BackupLocation >/dev/null 2>&1
	  		if [[ ! -d $BackupLocation ]]; then
	    		echo "Unable to make backup directory: $BackupLocation"
			  if [[ $IsCronJob -eq 1 ]]; then
	  		    SendIntasNotifyMail "Middletier error message" $mt_clean_errfile
			  fi
			  return $E_INT_MISSING_DIR
	  		fi
			fi
			fi
		L_flag=Y
		Llcron=L
		;;
	d) DEBUGGING='/bin/echo'
		;;
        
	*) echo $Usgae
	   return 1
		;;
	esac
done
(( optcount = OPTIND - 1 ))
shift $optcount

if [[ -z "$1" ]]; then
  echo $Usage
if [[ "$L_flag" = "Y" && "$l_flag" = "Y" ]]; then
	echo 'You can not specify both -l and -L options.'
	if [[ $IsCronJob -eq 1 ]]; then
	    SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
	fi
	return 1;
fi

if [[ ! -d $BackupLocation && -w $BackupLocation ]]; then
  echo 'The backup location does not exist or is not writable'
  if [[ $IsCronJob -eq 1 ]]; then
    SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
  fi
  return 1
fi

cd /
if whence $Progname >/dev/null; then
	: We found this program in the path
else
	echo "Unable to locate $Progname in the PATH, check the .kshrc for correctness"
        if [[ $IsCronJob -eq 1 ]]; then
    	  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
   	fi
	return $E_INT_NO_FILE
fi

arg1=$1
arg2=$2

cd $INTAS_INSTALL_DIR/envsw
if [[ $? != 0 ]]; then
	echo "Unable to cd to $INTAS_INSTALL_DIR/envsw, exiting..."
        if [[ $IsCronJob -eq 1 ]]; then
    	  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
   	fi
	return $E_INT_MISSING_DIR
fi

dirlist=""
for dir in $DirCleanupList
do
	if [[ -d $dir ]]; then
		dirlist="$dirlist $dir"
	fi
done
DirCleanupList=$dirlist

if [[ -z "$DirCleanupList" ]]; then
	echo "No directories to clean up"
        if [[ $IsCronJob -eq 1 ]]; then
    	  SendIntasNotifyMail "Middletierclean error message" $mt_clean_errfile
   	fi
	return 1
fi

echo "Start middletierclean at $(date)"

echo "Cleaning the following dirs:"
echo "$DirCleanupList" | perl -ne 'print join("\n", split(" ")) . "\n"; '

if [[ $IsCronJob -ne 1 ]]; then
  # We are not a cron job, install a line into the crontab
	if (crontab -l 2>&1 1>/dev/null | grep 'not authorized'); then
		echo "Unable to use cron, contact your system administrator"
		echo "Check that $(whoami) has an entry in cron.allow"
		return 1
	fi
	cronfile="$TEMPDIR/cur_crontab$$"
	crontab -l 2>&1 | grep -v '^crontab' >$cronfile
	if grep "$Progname cron .* $arg1 $arg2" $cronfile >/dev/null; then
		tmpvar=$(grep -v "$Progname cron.*$arg1 $arg2" $cronfile)
		echo "$tmpvar" >$cronfile
	fi
	if [[ $WhenToRun != 24:00 ]]; then
		Llcron=l
		minute=$(/bin/echo $WhenToRun | cut -d: -f2)
		hour=$(/bin/echo $WhenToRun | cut -d: -f1)
		if [[ -z "$DEBUGGING" ]]; then
			echo "$minute $hour" '* * *' ". ~/.kshrc; $(whence $Progname) cron -e $FileLocation -$Llcron $BackupLocation $arg1 $arg2" >>$cronfile
		else
			echo "$minute $hour" '* * *' ". ~/.kshrc; $(whence $Progname) cron -d -e $FileLocation -$Llcron $BackupLocation $arg1 $arg2" >>$cronfile
		fi
	fi
	crontab $cronfile >/dev/null 2>&1
	if crontab -l | diff - $cronfile >/dev/null; then
		if [[ $WhenToRun != 24:00 ]]; then
			echo crontab has been installed correctly
		else
			echo The crontab entry for \"$arg1 $arg2\" has been removed
		fi
	else
	  echo "Error installing crontab file"
	fi
	/bin/rm -f $cronfile
  
echo "End middletierclean at $(date)"
return $E_NO_ERROR