#! /bin/sh
set -ex

if ! command -v python && command -v python3 ; then
	alias python='python3'
fi

run() {
	gunicorn --bind 0.0.0.0:${PORT:-8000} --preload --access-logfile - morss
}

daemon() {
	gunicorn --bind 0.0.0.0:${PORT:-8000} --preload --access-logfile - --daemon morss
}

reload() {
	pid=$(pidof 'gunicorn: master [morss]') # NB. requires python-setproctitle

	if [ -z "$pid" ]; then
		# if gunicorn is not currently running
		daemon

	else
		kill -s USR2 $pid
		kill -s WINCH $pid
		sleep 1 # give gunicorn some time to reload
		kill -s TERM $pid

	fi
}

check() {
	python -m morss.crawler http://localhost:${PORT:-8000}/ > /dev/null 2>&1
}

if [ -z "$1" ]; then
	run

elif [ "$1" = "sh" ] || [ "$1" = "bash" ] || command -v "$1" ; then
	$@

else
	python -m morss $@

fi