#!/bin/sh
#
# cyphesis          This shell script takes care of starting and stopping
#                   the cyphesis service.

### BEGIN INIT INFO
# Provides:     cyphesis
# Required-Start:   $local_fs $remote_fs $network
# Required-Stop:    $local_fs $remote_fs $network
# Default-Start:    3 5
# Default-Stop:     0 1 2 6
# Short-Description:    Cyphesis Server
# Description:      Cyphesis is a server for WorldForge online games.
### END INIT INFO

. /etc/rc.status

rc_reset

# Source cyphesis service configuration
if [ -f /etc/cyphesis/cyphesis.sysconfig ] ; then
	. /etc/cyphesis/cyphesis.sysconfig
else
	CYPHESISUSER=cyphesis
fi

POSTGRESUSER=postgres

# Start the daemon.
start() {
	# Make sure postgres superuser exists
	if ! su $POSTGRESUSER -c true >/dev/null 2>&1; then
		echo
		echo $"Could not check for running PostgreSQL database."
		rc_failed
		rc_status -v1
		return 1
	fi
	
	# Make sure postgres is running
	if ! su $POSTGRESUSER -c "psql -c \"\" template1" >/dev/null 2>&1; then
		echo $"PostgreSQL server is not running."
		rc_failed
		rc_status -v1
		return 1
	fi
	
	# Make sure the user we are going to run as exists
	if ! su $CYPHESISUSER -c true >/dev/null 2>&1; then
		echo $"Cannot find user $CYPHESISUSER to run cyphesis service."
		rc_failed
		rc_status -v1
		return 1
	fi
	
	# Make sure the user has a postgres account
	if ! su $CYPHESISUSER -c "psql -c \"\" template1" >/dev/null 2>&1; then
		echo -n $"Creating PostgreSQL account: "
		su $POSTGRESUSER -c "createuser -A -d -q -R $CYPHESISUSER" >/dev/null 2>&1
		RETVAL=$?
		if [ $RETVAL -eq 0 ]; then
			rc_status -v
		else
			rc_failed
			rc_status -v
			return 1
		fi
	fi
	
	# Make sure the database exists
	if ! su $CYPHESISUSER -c "psql -c \"\" cyphesis" >/dev/null 2>&1; then
		# Create the database
		echo -n $"Creating PostgreSQL database: "
		su $CYPHESISUSER -c "createdb -q cyphesis" >/dev/null 2>&1
		RETVAL=$?
		if [ $RETVAL -eq 0 ]; then
			rc_status -v
		else
			rc_failed
			rc_status -v
			return 1
		fi
		echo

		# Populate it with rules
		echo -n $"Loading database with rules: "
		su $CYPHESISUSER -c "cyloadrules" >/dev/null 2>&1
		RETVAL=$?
		if [ $RETVAL -eq 0 ]; then
			rc_status -v
		else
			rc_failed
			rc_status -v
			return 1
		fi
	fi
	
	echo -n $"Starting cyphesis: "
	
	# Run the server, in self daemonising mode
	su $CYPHESISUSER -c "/usr/bin/cyphesis --cyphesis:daemon=true" >/dev/null 2>&1
	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
		rc_status -v
		touch /var/lock/subsys/cyphesis
	else
		rc_failed
		rc_status -v
	fi
	return $RETVAL
}

# Stop server
stop() {
	echo -n $"Shutting down cyphesis: "
	killproc cyphesis
	rc_status -v
	RETVAL=$?
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/cyphesis
	return $RETVAL
}

case "$1" in
	start)
		start
		RETVAL=$?
		;;
	stop)
		stop
		RETVAL=$?
		;;
	restart|reload)
		stop
		start
		RETVAL=$?
		;;
	condrestart)
		if [ -f /var/lock/subsys/cyphesis ]; then
			stop
			start
			RETVAL=$?
		fi
		;;
	status)
		status cyphesis
		RETVAL=$?
		;;
	*)
		echo $"Usage: $0 (start|stop|restart|condrestart|status)"
		exit 1
esac

exit $RETVAL
