#!/bin/sh

ME=$(basename $0)
DIR=$(dirname $0)
ARG=$1
APPDIR=$DIR
PORT=8766
USER=philipp
PIDFILE=/home/philipp/.wrfeed-webapp.pid
export WRFEED_SETTINGS=/home/philipp/daten/Winterrodeln/winterrodeln/wrfeed/wrfeed/development.cfg


die() {
	echo "$1" >&2
	usage
	exit 1
}

usage() {
	echo "Usage: ./$ME <start|stop|status|restart>." >&2
}

set -eu

[ -n "$ARG" ] || die "Missing argument."

start() {
	/sbin/start-stop-daemon --chuid $USER --chdir "$APPDIR" --make-pidfile --background --pidfile $PIDFILE --exec /usr/bin/waitress-serve  --start -- --listen=[::1]:$PORT 'wrfeed:app'
}

status() {
	set +e
	/sbin/start-stop-daemon --status --pidfile "$PIDFILE"
	case "$?" in
		0) 
			echo running
			;;
		1)
			echo not running but PID file exists
			;;
		3)
			echo not running
			;;
		4)
			echo unable to determine status
			;;
		*)
			die "unknown status"
			;;
	esac
}


stop() {
	/sbin/start-stop-daemon --stop --remove-pidfile --pidfile "$PIDFILE"
}

case "$ARG" in
	start)
		start
		;;
	stop)
		stop
		;;
	status)
		status
		;;
	restart)
		stop
		sleep 1
		start
		;;
	help|-h|--help)
		usage
		;;
	*)
		die "Unknown argument '$ARG'." >&2
		;;
esac

exit $?