#!/bin/bash

NICE="blacktext linewidth 4.0 \"Helvetica\" 16 "

if [ "$1" == "--eps" ]; then
    EXT="eps"
    TERMINAL="postscript color eps $NICE"
    shift
else
    EXT="png"
    TERMINAL="png picsize 1024 768"
fi

CSV1=$1
TITLE=$2
OUT=$3

if [ ! -f "$CSV1" ]; then
    echo "Usage: plot_sched <data.csv> [<title>] [<out.png>]"
    exit 1
fi

HARDSOFT=`basename $CSV1 | sed -e 's/^\([^_]*\).*/\1/'`
KIND=`basename $CSV1 | sed -e 's/^[^_]*_\([^_]*\).*/\1/'`
DIST=`basename $CSV1 | sed -e 's/^[^_]*_[^_]*_dist=\(.*\).csv/\1/'`

case "$DIST" in
    uni_light)
	DIST="uniformly distributed in [0.001, 0.1]"
	;;
    uni_medium)
	DIST="uniformly distributed in [0.1, 0.4]"
	;;
    uni_heavy)
	DIST="uniformly distributed in [0.5, 0.9]"
	;;
    bimo_light)
	DIST="bimodally distributed in [0.001, 0.5] (8/9) and [0.5, 0.9] (1/9)"
	;;
    bimo_medium)
	DIST="bimodally distributed in [0.001, 0.5] (6/9) and [0.5, 0.9] (3/9)"
	;;
    bimo_heavy)
	DIST="bimodally distributed in [0.001, 0.5] (4/9) and [0.5, 0.9] (5/9)"
	;;
    *)
	;;
esac

echo "Hard/Soft   : $HARDSOFT"
echo "Study       : $KIND"
echo "Distribution: $DIST"

case "$KIND" in
    sched)
	 YLABEL="schedulability"
	 YRANGE="set yrange [-0.1:1.1]"
	 case "$HARDSOFT" in
	     soft)
		 PLOT="plot '$CSV1' using 1:2 title 'P-EDF' with linespoints, \
                            '$CSV1' using 1:3 title 'C-EDF' with linespoints, \
                            '$CSV1' using 1:4 title 'G-EDF' with linespoints, \
                            '$CSV1' using 1:5 title 'PFAIR' with linespoints, \
                            '$CSV1' using 1:6 title 'G-NP-EDF' with linespoints
                       "
		 ;;
	     hard)
		 PLOT="plot '$CSV1' using 1:2 title 'P-EDF' with linespoints, \
                            '$CSV1' using 1:3 title 'C-EDF' with linespoints, \
                            '$CSV1' using 1:4 title 'G-EDF' with linespoints, \
                            '$CSV1' using 1:5 title 'PFAIR' with linespoints  \
                       "
		 ;;
	 esac
         ;;
    tard)
         YLABEL="tardiness (in ms)"
	 YRANGE=
	 PLOT="plot '$CSV1' using 1:2 title 'C-EDF' with linespoints, \
                    '$CSV1' using 1:3 title 'G-EDF' with linespoints, \
                    '$CSV1' using 1:4 title 'G-NP-EDF' with linespoints
              "
         ;;
    util)
         YLABEL="utilization (incl. overheads)"
	 YRANGE=
	 case "$HARDSOFT" in
	     soft)
		 PLOT="plot '$CSV1' using 1:2 title 'P-EDF' with linespoints, \
                            '$CSV1' using 1:3 title 'C-EDF' with linespoints, \
                            '$CSV1' using 1:4 title 'G-EDF' with linespoints, \
                            '$CSV1' using 1:5 title 'PFAIR' with linespoints, \
                            '$CSV1' using 1:6 title 'G-NP-EDF' with linespoints
                       "
		 ;;
	     hard)
		 PLOT="plot '$CSV1' using 1:2 title 'P-EDF' with linespoints, \
                            '$CSV1' using 1:3 title 'C-EDF' with linespoints, \
                            '$CSV1' using 1:4 title 'G-EDF' with linespoints, \
                            '$CSV1' using 1:5 title 'PFAIR' with linespoints  \
                       "
		 ;;
	 esac
         ;;
    gedf)
         YLABEL="schedulability"
	 YRANGE="set yrange [-0.1:1.1]"
	 PLOT="plot '$CSV1' using 1:2 title 'P-EDF' with linespoints, \
                    '$CSV1' using 1:3 title 'G-EDF [GFB]' with linespoints, \
                    '$CSV1' using 1:4 title 'G-EDF [BAK]' with linespoints, \
                    '$CSV1' using 1:5 title 'G-EDF [BCL]' with linespoints, \
                    '$CSV1' using 1:6 title 'G-EDF [SKB]' with linespoints \
              "
         ;;
    *)
         YLABEL=""
	 YRANGE=""
         ;;
esac


XLABEL="utilization cap"
XRANGE="set xrange [0.5:32.5]; set xtics 0, 2"

BASE=`basename $CSV1 | sed -e s/.csv//g -e s/dist=//g `

#echo $BASE

if [ "$OUT" == "" ]; then
    OUT="${BASE}.${EXT}"
fi

if [ "$TITLE" == "" ]; then
    TITLE="$DIST"
fi

# fixup csv file, gnuplot is picky
sed -i -e 's/,\([^ ]\)/, \1/g' $CSV1

gnuplot <<EOM
set terminal $TERMINAL
set out '/dev/null'
$YRANGE
$XRANGE
$PLOT
set ylabel  '$YLABEL'
set xlabel  '$XLABEL'
set title '$TITLE'
set key below
set data style linespoints
set out '$OUT'
replot
set out
EOM

if [ "$EXT" == "eps" ]; then
    ps2pdf -dEPSCrop $OUT
fi