#!/bin/bash
# Natural Selection 2
# Server Management Script
# Author: Daniel Gibbs
# Website: http://danielgibbs.co.uk
# Version: 251213

#### Variables ####

# Notification Email
# (on|off)
emailnotification="off"
email="email@example.com"

# Steam login
steamuser="username"
steampass="password"

# Start Variables
servername="NS2 Server"
defaultmap="ns2_summit"
port="27015"
webdomain="127.0.0.1"
webadminuser="admin"
webadminpass="test123"
webadminport="8080"
maxplayers="24"
password=""
parms="-name \"${servername}\" -port ${port} -webadmin -webdomain ${webdomain} -webuser ${webadminuser} -webpassword ${webadminpass} -webport ${webadminport} -map ${defaultmap} -limit ${maxplayers} -password ${password}"

#### Advanced Variables ####

# Steam
appid="4940"

# Server Details
servicename="ns2-server"
gamename="Natural Selection 2"
engine="spark"
ip="0.0.0.0"

# Directorys
rootdir="$(cd "$(dirname "${BASH_SOURCE[0]}" )" && pwd )"
selfname="$0"
filesdir="${rootdir}/serverfiles"
backupdir="backups"

# Logging
logdays="7"
gamelogdir="${filesdir}/logs"
scriptlogdir="${rootdir}/log/script"
consolelogdir="${rootdir}/log/console"

scriptlog="${scriptlogdir}/${servicename}-script.log"
consolelog="${consolelogdir}/${servicename}-console.log"
emaillog="${scriptlogdir}/${servicename}-email.log"

scriptlogdate="${scriptlogdir}/${servicename}-script-$(date '+%d-%m-%Y-%H-%M-%S').log"
consolelogdate="${consolelogdir}/${servicename}-console-$(date '+%d-%m-%Y-%H-%M-%S').log"

##### Script #####
# Do not edit
# unless you know
# what you are doing

fn_rootcheck(){
if [ `whoami` = "root" ]; then
	echo -e "\r\033[K[\e[0;31m FAIL \e[0;39m] Script will not run as root!"
	exit
fi
}

fn_syscheck(){
if [ ! -e ${filesdir} ]; then
	echo -e "\r\033[K[\e[0;31m FAIL \e[0;39m] Cannot access ${filesdir}: No such directory"
	exit
fi
}

fn_autoip(){
# Identifies the server interface IP
# If multiple interfaces this will need to be set manually
getip=$(/sbin/ifconfig | grep "inet addr" | awk -F: '{print $2}' | awk '{print $1}'|grep -v 127.0.0.1)
getipwc=$(/sbin/ifconfig | grep "inet addr" | awk -F: '{print $2}' | awk '{print $1}'|grep -v 127.0.0.1|wc -l)
if [ "${ip}" == "0.0.0.0" ]||[ "${ip}" == "" ]; then
	if [ "${getipwc}" -ge "2" ]; then
		echo -en "[\e[1;33m WARN \e[0;39m] Multiple active interfaces.\n\n" 
		echo -en "Manually specify the IP in ${selfname}\n"
		echo -en "Set ip=\"0.0.0.0\" to one of the following:\n"
		echo -en "${getip}\n"
		exit
	else 
		ip=${getip}
	fi
fi
}

fn_logmanager(){
if [ ! -e ${consolelog} ]; then
	touch ${consolelog}
fi
# log manager will active if finds logs older than ${logdays}
if [ `find ${scriptlogdir}/* -mtime +${logdays} |wc -l` -ne "0" ]; then
	echo -e "\r\033[K[\e[0;32m  OK  \e[0;39m] Starting log cleaner"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Starting log cleaner" >> ${scriptlog}
	sleep 1
	echo -e "[\e[0;36m INFO \e[0;39m] Removing logs older than ${logdays} days"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Removing logs older than ${logdays} days" >> ${scriptlog}
	sleep 1
	find ${scriptlogdir}/* -mtime +${logdays} |tee >> ${scriptlog}
	find ${consolelogdir}/* -mtime +${logdays} |tee >> ${scriptlog}
	scriptcount=$(find ${scriptlogdir}/* -mtime +${logdays}|wc -l)
	consolecount=$(find ${consolelogdir}/* -mtime +${logdays}|wc -l)
	count=$((${scriptcount} + ${consolecount}))
	find ${scriptlogdir}/* -mtime +${logdays} -exec rm {} \;
	find ${consolelogdir}/* -mtime +${logdays} -exec rm {} \;
	echo -e "[\e[0;36m INFO \e[0;39m] Log cleaner removed ${count} log files"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Log cleaner removed ${count} log files" >> ${scriptlog}
fi
}

fn_debugserver(){
fn_rootcheck
fn_syscheck
fn_autoip
echo ""
echo "${gamename} Debug"
echo "============================"
echo ""
echo -e "Use for identifying server issues only!"
echo -e "Press CTRL+c to drop out of debug mode"
echo -e "\e[0;31mWARNING!\e[0;39m If ${servicename} is already running it will be stopped"
echo ""
while true; do
	read -p "Continue? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
esac
done
fn_stopserver
echo -en "\r\033[K[ .... ] Starting debug mode ${servicename}: ${servername}"
sleep 0.5
echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Starting debug mode ${servicename}: ${servername}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Started debug mode ${servername} " >> ${scriptlog}
sleep 0.5
echo -en "\n"
cd ${filesdir}
./server_linux32 ${parms}
}

fn_console(){
fn_rootcheck
fn_syscheck
echo ""
echo "${gamename} Console"
echo "============================"
echo ""
echo "Press \"CTRL+b d\" to exit console"
echo -e "\e[0;31mWARNING!\e[0;39m Do NOT press CTRL+c to exit"
echo ""
while true; do
	read -p "Continue? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
esac
done
echo -en "\r\033[K[ .... ] Starting ${servicename} console"
sleep 0.5
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 1 ]; then
	echo -e "\r\033[K[\e[0;32m  OK  \e[0;39m] Starting ${servicename} console"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Console accessed" >> ${scriptlog}
	sleep 1
	tmux attach-session -t ${servicename}
else
	echo -e "\r\033[K[\e[0;31m FAIL \e[0;39m] Starting ${servicename} console: ${servername} not running"
	sleep 0.5
	while true; do
		read -p "Do you want to start the server? [y/N]" yn
		case $yn in
		[Yy]* ) fn_startserver;break;;
		[Nn]* ) break;;
		* ) echo "Please answer yes or no.";;
	esac
	done
fi
}

fn_backupserver(){
fn_rootcheck
fn_syscheck
backupname="${servicename}-$(date '+%Y-%m-%d-%H%M%S')"
echo ""
echo "${gamename} Backup"
echo "============================"
echo ""
echo "The following backup will be created."
echo ""
echo "${backupdir}/${backupname}.tar.gz"
echo ""
while true; do
	read -p "Continue? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
esac
done
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 1 ]; then
	echo -e "\e[0;31mWARNING!\e[0;39m ${servicename} is currently running"
	while true; do
		read -p "Would you like to stop ${servicename} while running the backup? [y/N]" yn
		case $yn in
		[Yy]* ) fn_stopserver;break;;
		[Nn]* ) break;;
		* ) echo "Please answer yes or no.";;
	esac
	done
fi
echo -en "\r\033[K[ .... ] Starting backup ${servicename}: ${servername}"
sleep 1
echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Starting backup ${servicename}: ${servername}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Backup started" >> ${scriptlog}
sleep 1
echo -en "\n"
cd ${rootdir}
mkdir ${backupdir} > /dev/null 2>&1
tar -cvzf ${backupdir}/${backupname}.tar.gz --exclude ${backupdir} *
echo -en "\r\033[K${servicename} Backup complete"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Backup complete" >> ${scriptlog}
}

fn_distro(){
arch=$(uname -m)
kernel=$(uname -r)
if [ -f /etc/lsb-release ]; then
	os=$(lsb_release -s -d)
elif [ -f /etc/debian_version ]; then
	os="Debian $(cat /etc/debian_version)"
elif [ -f /etc/redhat-release ]; then
	os=$(cat /etc/redhat-release)
else
	os="$(uname -s) $(uname -r)"
fi
}

fn_uptime(){
uptime=$(</proc/uptime)
uptime=${uptime%%.*}
minutes=$(( uptime/60%60 ))
hours=$(( uptime/60/60%24 ))
days=$(( uptime/60/60/24 ))
}

fn_load(){
load=$(uptime | awk -F 'load average' '{ print $2 }')
}

fn_emailnotification(){
fn_distro
fn_uptime
fn_load
{
	echo -e "========================================\n${servicename} details\n========================================\n"
	echo -e "Service: ${servicename}"
	echo -e "Server: ${servername}"
	echo -e "Game: ${gamename}"
	echo -e "Failure reason: ${failurereason}"
	echo -e "Action Taken: ${actiontaken}\n"
	echo -e "========================================\nServer details\n========================================\n"
	echo -e "Date: $(date)"
	echo -e "Distro: ${os}"
	echo -e "Arch: ${arch}"
	echo -e "Kernel: ${kernel}"
	echo -e "Hostname: $HOSTNAME"
	echo -e "Uptime: ${days}d, ${hours}h, ${minutes}m"
	echo -e "Avg Load${load}\n"
	echo -e "========================================\nLogs\n========================================\n"
	echo -e "Script log\n===================\n"
}|tee ${scriptlogdir}/${servicename}-email.log > /dev/null 2>&1
tail -25 ${scriptlog} >> ${emaillog}
if [ ! -z ${consolelog} ]; then
	echo -e "\n\nConsole log\n====================\n" >> ${emaillog}
	tail -25 ${consolelog} >> ${emaillog}
fi
if [ ! -z ${gamelogdir} ]; then
	echo -e "\n\nServer log\n====================\n" >> ${emaillog}
	tail ${gamelogdir}/*|grep -v "==>"|sed '/^$/d'|tail -25 >> ${emaillog}
fi
mail -s "${subject}" ${email} < ${emaillog}
echo -en "[\e[0;36m INFO \e[0;39m] Sent email notification to ${email}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Sent email notification to ${email}" >> ${scriptlog}
sleep 1
echo -en "\n"
}

fn_emailtest(){
fn_rootcheck
fn_syscheck
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Emailing test notification" >> ${scriptlog}
if [ "${emailnotification}" = "on" ]; then
	subject="${servicename} Email Test Notification - Testing ${servername}"
	failurereason="Testing ${servicename} email notification"
	actiontaken="Sent test email...hello is this thing on?"
	fn_emailnotification
else
	echo -e "\r\033[K[\e[0;31m FAIL \e[0;39m] Email notification not enabled"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Email notification not enabled" >> ${scriptlog}
fi
sleep 0.5
echo -en "\n"
}

fn_serverquery(){
# uses gsquery.py to directly query the server
# detects if the server locks up
if [ -f gsquery.py ]; then
	if [ "${engine}" == "unreal" ] || [ "${engine}" == "unreal2" ]; then
		gameport=$(grep Port= ${systemdir}/${ini}|grep -v Master|grep -v LAN|grep -v Proxy|grep -v Listen|sed 's/\Port=//g')
		port=$((${gameport} + 1))
	elif [ "${engine}" == "spark" ]; then
		port=$((${port} + 1))
	fi
	echo -en "\r\033[K[\e[0;36m INFO \e[0;39m] Monitoring ${servicename}: Detected gsquery.py"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Detected gsquery.py " >> ${scriptlog}
	sleep 1
	echo -en "\r\033[K[ .... ] Monitoring ${servicename}: Querying port: ${ip}:${port}: QUERYING"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Querying port: ${ip}:${port}: QUERYING" >> ${scriptlog}
	serverquery=$(./gsquery.py -a ${ip} -p ${port} -e ${engine} 2>&1)
	exitcode=$?
	sleep 1	
	if [ "${exitcode}" == "1" ]||[ "${exitcode}" == "2" ]||[ "${exitcode}" == "3" ]||[ "${exitcode}" == "4" ]; then
		echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] Monitoring ${servicename}: Querying port: ${ip}:${port}: ${serverquery}"
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Querying port: ${ip}:${port}: ${serverquery}" >> ${scriptlog}
		sleep 1
		echo -en "\n"
		if [ "${emailnotification}" = "on" ]; then
			subject="${servicename} Monitor - Starting ${servername}"
			failurereason="Failed to query ${servicename}: ${serverquery}"
			actiontaken="restarted ${servicename}"
			fn_emailnotification
		fi
		fn_restartserver
		exit
	elif [ "${exitcode}" == "0" ]; then
		echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Monitoring ${servicename}: Querying port: ${ip}:${port}: OK"
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Querying port: ${ip}:${port}: OK" >> ${scriptlog}		
		sleep 1
		echo -en "\n"
		exit
	elif [ "${exitcode}" == "126" ]; then
		echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] Monitoring ${servicename}: Querying port: ${ip}:${port}: ERROR: ./gsquery.py: Permission denied"
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Querying port: ${ip}:${port}: ./gsquery.py: Permission denied" >> ${scriptlog}		
		sleep 1
		echo -en "\n"
		echo "Attempting to resolve automatically"
		chmod +x -v gsquery.py
		exitcode=$?
		if [ "${exitcode}" == "0" ]; then
			fn_serverquery
		else
			echo -en "\nUnable to resolve automatically. Please manually fix permissions\n"
			owner=$(ls -al gsquery.py|awk '{ print $3 }')
			echo "As user ${owner} or root run the following command"
			whoami=$(whoami)
			echo -en "\nchown ${whoami}:${whoami} gsquery.py\n\n"
		exit
		fi
	else
		echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] Monitoring ${servicename}: Querying port: ${ip}:${port}: UNKNOWN ERROR"
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Querying port: ${ip}:${port}: UNKNOWN ERROR" >> ${scriptlog}		
		sleep 1
		echo -en "\n"
		./gsquery.py -a ${ip} -p ${port} -e ${engine}
		exit		
	fi
fi
}

fn_monitorserver(){
fn_rootcheck
fn_syscheck
fn_autoip
echo -en "\r\033[K[ .... ] Monitoring ${servicename}: ${servername}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Monitoring ${servername}" >> ${scriptlog}
sleep 1
updatecheck=$(ps -ef|grep "${selfname} update"|grep -v grep|wc -l)
if [ "${updatecheck}" = "0" ]; then
	echo -en "\r\033[K[ .... ] Monitoring ${servicename}: Checking session: CHECKING"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Checking session: CHECKING" >> ${scriptlog}
	sleep 1
	tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
	if [ ${tmuxwc} -eq 1 ]; then
		echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Monitoring ${servicename}: Checking session: OK"
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Checking session: OK" >> ${scriptlog}
		sleep 1
		echo -en "\n"
		fn_serverquery
		exit
	else
		echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] Monitoring ${servicename}: Checking session: FAIL"
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Checking session: FAIL" >> ${scriptlog}
		sleep 1
		echo -en "\n"		
		if [ "${emailnotification}" = "on" ]; then
			subject="${servicename} Monitor - Starting ${servername}"
			failurereason="${servicename} process not running"
			actiontaken="${servicename} has been restarted"
			fn_emailnotification
		fi
		echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Monitor is starting ${servername}" >> ${scriptlog}
		fn_startserver	
	fi
else
	echo -e "[\e[0;36m INFO \e[0;39m] Monitoring ${servicename}: Detected SteamCMD is checking for updates"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Detected SteamCMD is checking for updates" >> ${scriptlog}
	sleep 1
	echo -e "[\e[0;36m INFO \e[0;39m] Monitoring ${servicename}: When updates complete ${servicename} will start"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: When updates complete ${servicename} will start" >> ${scriptlog}
fi
}

fn_updateserver(){
fn_rootcheck
fn_syscheck
echo -en "\r\033[K[ .... ] Updating ${servicename}: ${servername}"
sleep 0.5
echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Updating ${servicename}: ${servername}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Updating ${servername}" >> ${scriptlog}
cd ${rootdir}
cd steamcmd
./steamcmd.sh +login ${steamuser} ${steampass} +force_install_dir ${filesdir} +app_update ${appid} validate +quit |tee -a ${logfile}
if [ $(grep Denied ${logfile}|wc -l) -ge 1 ];then
	echo -e "[\e[0;31m FAIL \e[0;39m] ${servicename}: STEAMAUTH error detected!: Server update failed"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: STEAMAUTH error detected!: Server update failed" >> ${logfile}
	if [ "${emailnotification}" = "on" ];then
		mail -s "${servername}: Steam Auth Failure" ${email}< ${logfile}
	fi
fi
}

fn_restartserver(){
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Restarting ${servername}" >> ${scriptlog}
fn_stopserver
fn_startserver
}

fn_stopserver(){
fn_rootcheck
fn_syscheck
pid=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -E "^${servicename}:"|wc -l)
echo -en "\r\033[K[ .... ] Stopping ${servicename}: ${servername}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Stopping ${servername}" >> ${scriptlog}
sleep 0.5
if [ "${pid}" == "0" ]; then
	echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] Stopping ${servicename}: ${servername} is already stopped"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: ${servername} is already stopped" >> ${scriptlog}
else
	tmux kill-session -t ${servicename}
	echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Stopping ${servicename}: ${servername}"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Stopped ${servername}" >> ${scriptlog}
fi
sleep 0.5
echo -en "\n"
}

fn_startserver(){
fn_rootcheck
fn_syscheck
fn_autoip
fn_logmanager
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 0 ]; then
	mv ${scriptlog} ${scriptlogdate}
	mv ${consolelog} ${consolelogdate}
fi
echo -en "\r\033[K[ .... ] Starting ${servicename}: ${servername}"
echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Starting ${servername}" >> ${scriptlog}
sleep 0.5
if [ ${tmuxwc} -eq 1 ]; then
	echo -en "\r\033[K[\e[0;36m INFO \e[0;39m] Starting ${servicename}: ${servername} is already running"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: ${servername} is already running" >> ${scriptlog}
	sleep 0.5
	echo -en "\n"
	exit
fi
cd ${filesdir}
tmux new-session -d -s ${servicename} "./server_linux32 ${parms} |tee -a ${consolelog}"
sleep 1
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 0 ]; then
	echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] Starting ${servicename}: Failed to start ${servername}"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: failed to start ${servername}" >> ${scriptlog}
else
	echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] Starting ${servicename}: ${servername}"
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: Started ${servername}" >> ${scriptlog}
fi
sleep 0.5
echo -en "\n"
}

fn_ns2details(){
fn_autoip
queryport=$((${port} + 1))
echo ""
echo "${gamename} Server Details"
echo "============================"
echo ""
echo "${servername} Ports"
echo "======================="
echo "Ports the server is currently using"
echo ""
echo "DIRECTION	DESCRIPTION		PORT"
echo "INBOUND		Game/Rcon Port		${port}"
echo "INBOUND		Query Port		${queryport}"
echo "INBOUND		WebAdmin 		${webadminport}"
echo ""
echo "${servername} WebAdmin"
echo "======================="
echo "WebAdmin URL: http://${ip}:${webadminport}"
echo "WebAdmin Username: ${webadminuser}"
echo "WebAdmin Password: ${webadminpass}"
echo ""
echo "You can change various parameters by editing the"
echo "start parameters in ${selfname}"
echo ""
}

fn_steamguard(){
fn_rootcheck
fn_syscheck
clear
fn_header
fn_steamdl
clear
fn_header
echo "If you are gettng an error:"
echo ""
echo "Login Failure: Account Logon Denied Failed."
echo ""
echo "You should now get an email from Steam with a Steam Guard code"
echo ""
read -p "Press [Enter] key to when you have the code..."
clear
fn_header
echo "Please enter Steam Guard Code"
echo "=============================="
echo -n "Code: "
read CODE
touch guard.txt
chmod 0600 guard.txt
echo "set_steam_guard_code $CODE" > guard.txt
echo "login ${steamuser} ${steampass}" >> guard.txt
echo "quit" >> guard.txt
STEAMEXE=steamcmd ./steamcmd.sh +runscript guard.txt
rm guard.txt
cd ../
echo "=============================="
echo "Complete!"
cd ${rootdir}
}

#
## Installer
#

fn_header(){
clear
echo "================================="
echo "${gamename}"
echo "Server Linux Installer"
echo "by Daniel Gibbs"
echo "http://danielgibbs.co.uk"
echo "================================="
echo ""
}

fn_steamdl(){
echo "Installing Steam"
echo "================================="
cd ${rootdir}
mkdir steamcmd
cd steamcmd
if [ ! -f steamcmd.sh ]; then
	wget http://media.steampowered.com/client/steamcmd_linux.tar.gz
	tar --verbose -zxf steamcmd_linux.tar.gz
	rm -v steamcmd_linux.tar.gz
	chmod +x steamcmd.sh
else
	echo "Steam already installed!"
fi
}

fn_retryinstall(){
while true; do
	read -p "Retry install? [y/N]" yn
	case $yn in
	[Yy]* ) fn_install;;
	[Nn]* ) echo Exiting; exit;;
	* ) echo "Please answer yes or no.";;
	esac
done
}

fn_install(){
fn_rootcheck
fn_header
if [ -d ${filesdir} ]; then
	echo "${gamename} Server is already installed here:"
	pwd
	echo ""
	while true; do
		read -p "Continue [y/N]" yn
		case $yn in
		[Yy]* ) break;;
		[Nn]* ) echo Exiting; return 1;;
		* ) echo "Please answer yes or no.";;
		esac
	done
fi
fn_header
echo "Install Directory:"
pwd
echo ""
while true; do
	read -p "Continue [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
	esac
done
fn_header
fn_steamdl
echo ""
echo "Installing ${gamename} Server"
echo "================================="
	cd ${rootdir}/steamcmd
	mkdir -v ${filesdir}
	touch install.txt
	chmod 0600 install.txt
	echo "login ${steamuser} ${steampass}" > install.txt
	echo "force_install_dir ${filesdir}" >> install.txt
	echo "app_update ${appid} validate" >> install.txt
	echo "quit" >> install.txt
	STEAMEXE=steamcmd ./steamcmd.sh +runscript install.txt
	rm install.txt
	echo ""
	echo "================================="
	while true; do
		read -p "Was the install successful? [y/N]" yn
		case $yn in
		[Yy]* ) break;;
		[Nn]* ) fn_retryinstall;;
		* ) echo "Please answer yes or no.";;
		esac
	done
	echo "Downloading libm.so.6 and libstdc++.so.6"	
	echo "================================="
	cd ${filesdir}
	wget https://github.com/dgibbs64/linuxgameservers/raw/master/NaturalSelection2/dependencies/libm.so.6
	wget https://github.com/dgibbs64/linuxgameservers/raw/master/NaturalSelection2/dependencies/libstdc++.so.6
	sleep 2
fn_header	
fn_header
echo "Configuring ${gamename} Server"
echo "================================="
	echo "Creating log directorys"
	mkdir -v ${rootdir}/log
	mkdir -v ${scriptlogdir}
	mkdir -v ${consolelogdir}
	touch ${consolelog}
	if [ ! -h ${rootdir}/log/server ]; then
		ln -sv ${gamelogdir} ${rootdir}/log/server
	else
		echo "Symbolic link ${gamelogdir} => ${rootdir}/log/server already exists!"
	fi
	sleep 1
	echo ""
	echo "Applying steamclient.so fix"
	mkdir -v ${HOME}/.steam
	mkdir -v ${HOME}/.steam/sdk32
	cp -v ${filesdir}/steamclient.so ${HOME}/.steam/sdk32/steamclient.so
	sleep 1
	fn_header
	fn_ns2details
	echo "================================="
	echo "Install Complete!"
	echo ""
	echo "To start server type:"
	echo "${selfname} start"
	echo ""
}

case "$1" in
	start)
		fn_startserver;;
	stop)
		fn_stopserver;;
	restart)
		fn_restartserver;;
	update)
		fn_stopserver
		fn_updateserver
		fn_startserver;;
	monitor)
		fn_monitorserver;;
	email-test)
		fn_emailtest;;
	details)
		fn_ns2details;;
	backup)
		fn_backupserver;;
	console)
		fn_console;;
	debug)
		fn_debugserver;;
	install)
		fn_install;;
	steam-auth)
		fn_updateserver
		fn_steamguard;;
	*)
	echo "Usage: $0 {start|stop|restart|update|monitor|email-test|details|backup|console|debug|install|steam-auth}"
	exit 1;;
esac
exit