#!/bin/bash
# connects to the hedgewars server and lists all players
# that match the grep flags/regexp given as arguments
#
# written by sheepluva
# version 1.1

# config
SERVER=netserver.hedgewars.org
PROTO=47


#variables
ME="bot$(date +%s)"
MD5=passwordhash
INPIPE="/tmp/hwin$ME"
OUTFILE="/tmp/hwout$ME"
mkfifo  "$INPIPE"

rm -f "$OUTFILE"
touch "$OUTFILE"

# establish connection to server
tail -f  --pid=$$ "$INPIPE" | nc $SERVER 46631 >> "$OUTFILE" &

CHILD=$!

echo "NICK
$ME

PROTO
$PROTO
" >> "$INPIPE" &

trap "{ echo 'QUIT

' >> ${INPIPE}; sleep 1; kill $! 2> /dev/null; rm -f ${INPIPE} ${OUTFILE}; exit; }" SIGINT SIGTERM


CMD=''
tail -f --pid=$CHILD "$OUTFILE" | while read LINE
do
   if [[ $CMD == '' ]]; then
      CMD="$LINE"
      #echo $CMD
      if [[ "$CMD" == 'ASKPASSWORD' ]]; then echo -e "PASSWORD\n$MD5\n" >> "$INPIPE"; fi
      if [[ "$CMD" == "PING" ]]; then echo -e "PONG\n" >> "$INPIPE"; fi
   else
      if [[ "$CMD" == 'BYE' ]]; then echo "Connection closed by Server: $LINE" 1>&2; rm "$OUTFILE"; break; fi
      if [[ "$LINE" == '' ]]; then
         if [[ "$CMD" == 'LOBBY:JOINED' ]]; then break; fi
         CMD=''
      fi
      if [[ "$CMD" == 'LOBBY:JOINED' ]]; then echo -e "INFO\n$LINE\n" >> "$INPIPE"; fi
   fi
done

echo 'QUIT
My work is done here, bye.
' >> "$INPIPE" &

if [ -f "$OUTFILE" ]; then
	sleep 0.2

	kill $CHILD 2> /dev/null

    if [ "$1" != "x$1" ]
    then
        grep -E -B 3 -A 3 "$@" "$OUTFILE" | grep -B 1 -A 2 "\[[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\]"
    else
	    grep -B 1 -A 2 "\[[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\]" "$OUTFILE"
    fi
fi

#rm -f "$INPIPE" "$OUTFILE"
rm -f "$INPIPE"