#!/bin/sh

prog=$0
usage() {
	echo "usage: rc-service [OPTS] SERVICE [ACTION]"
	exit $1
}

msg() {
	if ! [ -n "$quiet" ]; then
		echo "$@"
	fi
}

OPTS=$(getopt -l help,exists,ifexists,ifstarted,ifstopped,verbose,quiet \
	-o "heiNsSvq" -n $prog -- "$@") || usage "1" >&2

#  -e, --exists <arg>                tests if the service exists or not
#  -i, --ifexists                    if the service exists run the command
#  -N, --ifnotstarted                if the service is not started run the command
#  -s, --ifstarted                   if the service is started run the command
#  -S, --ifstopped                   if the service is stopped run the command
#  -v, --verbose                     Run verbosely
#  -q, --quiet                       Run quietly (repeat to suppress errors)

eval set -- "$OPTS"
for opt; do
	case "$opt" in
		-h|--help)
			usage 0
			;;
		--exists)
			exists=1
			;;
		--ifexists)
			ifexists=1
			;;
		--ifstarted)
			ifstarted=1
			;;
		--ifstopped)
			ifstopped=1
			;;
		--verbose)
			verbose=1
			;;
		--quiet)
			quiet=1
			;;
		--)
			shift
			break
			;;
	esac
	shift
done

svc="$1"
action="$2"

if [ -z "$svc" ]; then
	usage "1" >&2
fi

if [ -z "$action" ] && [ -z "$exists" ]; then
	usage "1" >&2
fi

if [ -n "$exists" ]; then
	test -e "$ROOT"/etc/init.d/$svc
	exit
fi

if [ -n "$ifstarted" ] && ! [ -e "$ROOT"/run/started/$svc ]; then
			exit 0
fi

if [ -n "$ifstopped" ] && [ -e "$ROOT"/run/started/$svc ]; then
			exit 0
fi

case "$action" in
	start)
		if [ -e "$ROOT"/run/started/$svc ]; then
			! [ -n "$ifstopped" ] && msg " * WARNING: $svc has already been started" >&2
			exit 0
		fi

		msg " * Starting $svc ... [ok]"
		mkdir -p "$ROOT"/run/started
		touch "$ROOT"/run/started/$svc
		;;
	stop)
		if ! [ -e "$ROOT"/run/started/$svc ]; then
			msg " * WARNING: $svc is already stopped" >&2
			exit 0
		fi

		msg "* Stopping $svc ... [ok]"
		rm -f "$ROOT"/run/started/$svc
		;;
	restart)
		$prog --ifstarted $svc stop && $prog $svc start
		;;
	*) usage 1
esac