#! /bin/bash

# !!!!!!!!!!!!!! CHANGE THIS TO THE USER YOU USE FOR YOUR SERVER !!!!!!!!!!!!!!!
CS_USER=css

PATH=/bin:/usr/bin:/sbin:/usr/sbin

# # DON'T FORGET TO CHANGE THE PATH TO YOUR NEEDS!
DIR=/home/server/css

DAEMON=srcds_run

# LAN server:
# PARAMS="-game cstrike -nomaster -insecure +sv_lan 1 +maxplayers 16 +map de_dust"
# Internet server:
PARAMS="-usercon -game cstrike +map de_dust +maxplayers 50 +net_public_adr 77.242.232.28 +ip 192.168.1.100 -port 27015"

NAME=cssserver
DESC="CS:S dedicated server"

# No edits (should be) necessary beyond this line

if [ ! -x `which awk` ]; then echo "You need awk for this script"; exit 1; fi
if [ ! -x `which screen` ]; then echo "You need screen (the program, moron!) for this script"; exit 1; fi

if [ `whoami` = root ]
then
 usagetype=root
else
 usagetype=nonroot
fi

start() {
   if [ ! -d $DIR ]; then echo " ... No such directory: $DIR!";  exit 1; fi
   if [ ! -x $DIR/$DAEMON ]; then echo "$DIR/$DAEMON does not exist or is not executable!"; exit 1; fi
   if status; then echo " ... $DESC: $NAME is already running!"; exit 1; fi

   case "$usagetype" in
   root)
    su - $CS_USER -c "cd $DIR ; screen -AmdS $NAME ./$DAEMON $PARAMS"
   ;;
   nonroot)
    cd $DIR ; screen -AmdS $NAME ./$DAEMON $PARAMS
   ;;
   esac

}

stop () {
   if ! status; then echo " ... $DESC $NAME could not be found. Probably not running."; exit 1; fi

   case "$usagetype" in
   root)
    tmp=$(su - $CS_USER -c "screen -ls" | awk -F . "\$2 ~ /^$NAME[[:space:]].*/ {print \$1}" | awk '{print $1}')
    su - $CS_USER -c "screen -r $tmp -X quit"
   ;;
   nonroot)
    screen -r $(screen -ls | awk -F . "\$2 ~ /^$NAME[[:space:]].*/ {print \$1}" | awk '{print $1}') -X quit
   ;;
   esac
}

status () {
   case "$usagetype" in
   root)
    su - $CS_USER -c "screen -ls" | grep [.]$NAME[[:space:]] > /dev/null
   ;;
   nonroot)
    screen -ls | grep [.]$NAME[[:space:]] > /dev/null
   ;;
   esac
}

watch () {
   if ! status; then echo "$DESC $NAME could not be found. Probably not running."; exit 1; fi

   case "$usagetype" in
   root)
    tmp=$(su - $CS_USER -c "screen -ls" | awk -F . "\$2 ~ /^$NAME[[:space:]].*/ {print \$1}" | awk '{print $1}')
    su - $CS_USER -c "screen -r $tmp"
   ;;
   nonroot)
    screen -r $(screen -ls | awk -F . "\$2 ~ /^$NAME[[:space:]].*/ {print \$1}" | awk '{print $1}')
   ;;
   esac
}

case "$1" in
 start)
  echo "Starting $DESC: $NAME"
  start
  echo " ... done."
 ;;

 stop)
  echo "Stopping $DESC: $NAME"
  stop
  echo " ... done."
 ;;

 restart)
  echo "Restarting $DESC: $NAME"
  status && stop
  start
  echo " ... done."
 ;;

 status)
  if status
  then echo "$DESC: $NAME is UP" 
  else echo "$DESC: $NAME is DOWN"
  fi
 ;;
 watch)
  watch
 ;;

 *)
   echo "Usage: $0 {start|stop|status|restart|watch}\nWhile watching press ctrl-a, ctrl-d to stop watching without stopping the server."
   exit 1
   ;;

esac


exit 0