#!/bin/bash

usage()
{
	cat << EOF
	usage $0 options

	This script launches, installs, closes, or connects to the console managing, a server.

	OPTIONS:
	-h Show this message
	-i Install
	-s Start
	-x Close
	-c Console
	-p Port
	-w World
	-u User
	-n Name
EOF
}

WORLD='world1'
MODE='help'
USER='tshock'
PORT='7777'
TMUX_CONSOLE='tshock-console'

while getopts "hisxcp:w:u:n:" OPTION
do
	case $OPTION in
		p)
			PORT=$OPTARG
			;;
		u)
			USER=$OPTARG
			;;
		w)
			WORLD=$OPTARG
			;;
		n)
			TMUX_CONSOLE=$OPTARG
			;;
		h)
			usage
			exit 1
			;;
		i)
			MODE='install'
			;;
		c)
			MODE='console'
			;;
		s)
			MODE='start'
			;;
		x)
			MODE='close'
			;;
		h)
			MODE='help'
			;;
	esac
done

case $MODE in
	start)
		if [ -n "$(sudo -u ${USER} tmux has-session -t $TMUX_CONSOLE)" ]; then
			sudo -u ${USER} tmux new-session -d -s ${TMUX_CONSOLE} -d "cd /srv/tshock/; mono TerrariaServer.exe -port ${PORT} -world /srv/tshock/Terraria/Worlds/${WORLD}.wld"
			if [ $? -gt 0 ]; then
				exit 1
			fi
		else
			echo "Tshock (${WORLD}.wld/${TMUX_CONSOLE}) already started"
			exit 1
		fi
		exit
		;;
	close)
		sudo -u ${USER} tmux send-keys -t ${TMUX_CONSOLE} 'broadcast NOTICE: Server shutting down in 5 seconds!' C-m
		sleep 5
		sudo -u ${USER} tmux send-keys -t ${TMUX_CONSOLE} 'exit' C-m
		sleep 10
		exit
		;;
	install)
		sudo -u ${USER} bash -c 'cd /srv/tshock/; mono TerrariaServer.exe'
		exit
		;;
	console)
		sudo -u ${USER} tmux attach -t ${TMUX_CONSOLE}
		exit
		;;
	help)
		usage
		exit 1
		;;
esac