#!/bin/bash

# Variable

ACTION=$1
PORT=$2
MOD=$3
GAME="cod4"

if [ "$MOD" = "" ]
	then	
	MODS=""
else
	MODS='+set fs_game "mods/'$MOD'"'
fi

CMD='./cod4_lnxded +set net_port '$PORT' +set sv_punkbuster 1 +set sv_pure 1 +exec server.cfg +set fs_homepath "/home/cod4/'$GAME'_'$PORT'" +set fs_basepath "/home/cod4/master" '$MODS' +map_rotate'
DIR="/home/cod4/master"

function check() {
	CPORT=$1
	if [ "$CPORT" = "" ]
		then
		echo -1

	elif ((($CPORT > 20000) && ($CPORT < 40000)))
		#if [ $CPORT -lt 20000 && $CPORT -gt 40000 ]
		then
		CHECK=$(screen -ls | grep -c $GAME"_"$CPORT)
		echo $CHECK
	else
		echo -1
	fi
}

function list() {
	NBR=$(screen -ls | grep -c $GAME)
	if [ "$NBR" != "0" ]
		then
		screen -ls | grep $GAME
	else
		echo "No server $GAME is running"
	fi
}

function start() {
	CPORT=$1
	CCHECK=$(check $CPORT)

	if [ $CCHECK -eq -1 ]
	then 
		echo "Use port between 20001 and 39999"
	elif [ "$CCHECK" = "0" ] 
	then
		cd $DIR >/dev/null
		screen -A -m -d -S $GAME"_"$CPORT $CMD >/dev/null
		echo "Server $GAME successfully on $PORT"
	else
                echo "Server $GAME is already running on $CPORT"
	fi
}

function stop() {	
	
	CPORT=$1
	CCHECK=$(check $CPORT)
	
	if [ $CCHECK -eq -1 ]
	        then
		echo "Use port between 20001 and 39999"

	elif [ "$CCHECK" != "0" ]
	then
		screen -S $GAME"_"$CPORT -X quit >/dev/null
		echo "Stopping server $GAME on $CPORT"
	else
		echo "Server $GAME has not running on $CPORT"
	
	fi
}

function restart() {
	CPORT=$1
	CCHECK=$(check $CPORT)
	
	if [ $CCHECK  -eq -1 ]
        then
		echo "Use port between 20001 and 39999"

	elif [ "$CCHECK" != "0" ]
		then
		stop $CPORT
		echo "Attempting to restart..."
		sleep 3	
		start $CPORT
	else
		start
	fi
}

 case "$ACTION" in
   'start')
       start $PORT
  ;;
   'stop')
       stop $PORT
  ;;
   'restart')
       restart $PORT
  ;;
   'check')
       check $PORT
  ;; 
   'list')
       list
  ;;  
   *)
   echo "/!\ Wrong option /!\ "
   echo "	server_cod4 <action> <port> <mods>"
   echo ""
   echo "	action : start - stop - restart - check - list"
   echo "	port : port of the server"
 esac