#!/bin/sh

IFS='|'
processes=${processes:="apache2|transmission-da|Plex New Transc|Plex Media Serv|Plex DLNA Serve|python|smbd|munin-graph|blank"}

#processchecker=$( for proc in $processes; do
#       checker=$(echo $proc | awk -F. '{gsub(/[ -]/, "", $1);gsub(/-/, "", $2); print$1".value "0.00} ')
#               echo $checker | head -n -1
#done)

graphorder=$(
        graphvar=$(
                procgraph=$( for proc in $processes; do
                                echo -n $proc","
                                done)
                echo $procgraph | awk -F, '{gsub(/[ -]/, "", $0); print$0}'
                                )
                echo $graphvar | awk '{gsub(/[,]/, " ",$0); print$0}' | rev | cut -c 7- | rev )

if [ "$1" = "config" ]; then

        NCPU=$(egrep '^cpu[0-9]+ ' /proc/stat | wc -l)
        PERCENT=$(($NCPU * 100))
        if [ "$scaleto100" = "yes" ]; then
                graphlimit=100
        else
                graphlimit=$PERCENT
        fi

#        SYSWARNING=`expr $PERCENT '*' 30 / 100`
#        SYSCRITICAL=`expr $PERCENT '*' 50 / 100`
#        USRWARNING=`expr $PERCENT '*' 80 / 100`

        echo 'graph_title CPU usage by process'
        echo 'graph_order' $graphorder
        echo 'graph_scale no'
        echo 'graph_vlabel %'
        echo 'graph_args --base 1000 -r --lower-limit 0 --upper-limit' $graphlimit
        echo 'graph_category system'
        echo 'graph_info This graph shows the cpu usage of several processes'
        echo ''
#
#use this to get process names for labels
#

        proclist=$(      for proc in $processes; do
                          echo "$proc.$proc"
done)
        #get proc name + .label
        labels=$(echo $proclist | awk -F. '{gsub(/[ -]/, "", $1); print$1".label "$1} ')
                echo $labels | head -n -1
        #get proc name + .info
        infos=$(echo $proclist | awk -F. '{gsub(/[ -]/, "", $1); print$1".info "$1} ')
                echo $infos | head -n -1

        #get procname + .draw + type
        singleproc=$(echo $proclist | awk -F. '{gsub(/[ -]/, "", $1); print$1} ')

#       echo $singleproc
draws=$(        for x in $processes; do
        firstproc=$(echo $proclist | awk -F. 'FNR == 1 {gsub(/[ -]/, "", $1); print$1 } ')
                        if [ "$x" = "$firstproc" ]
                        then
                        echo $x | awk -F. '{gsub(/[ -]/, "", $1); print$1".draw AREA"} '
                        else
                        echo $x | awk -F. '{gsub(/[ -]/, "", $1); print$1".draw STACK"} '
                        fi
done)
                echo $draws | head -n -1


else

#
#use this to get process cpu % value
#

TMPFILE=$(mktemp -t top.XXXXXXXXXX) && {

  top -b -n2 > $TMPFILE

topcount=$(awk 'END{print NR}' $TMPFILE)
tophalf=$(expr $topcount / 2)
toplist=$(tail -n$tophalf $TMPFILE)


IFS='|'
proc_basevalue=$(   for proc in $processes; do
 lastproc=$(echo $processes | awk '{print$NF} ')
                        if [ "$proc" = "$lastproc" ]
                        then
                        :
                        else
                        echo $proc | awk -F. '{gsub(/[ -]/, "", $1); print$1".value 0.00"} '
                        fi

done)

proc_value=$(   for proc in $processes; do
        compressed=$(echo $toplist | grep "$proc" | awk '{gsub(/[ -]/, "", $12); print $12$13$14 ".value " $9}')
        echo $compressed
done)

proc_added=$(
echo $proc_basevalue
echo $proc_value
)

formatted=$(echo $proc_added | awk 'NF {a[$1]+=$2*1}END{for (x in a)printf "%s %.2f\n", x,a[x]}')
echo $formatted



rm -f $TMPFILE
}


fi


exit 0