#!/sbin/openrc-run

command="/root/bin/pia-wg.sh"

CONFIGDIR="${CONFIGDIR:-/var/cache/pia-wg}"
CONFIG="${CONFIG:-/etc/pia-wg/pia-wg.conf}"

extra_started_commands="reload"

depend() {
	need net sysfs
	after modules ip-rules
	use logger
}

start_pre() {
	if ! [ -e "$CONFIG" ]
	then
		echo "Please generate a config with pia-wg.sh and copy it to $CONFIG"
		return 1
	fi
	if ! [ -w "$CONFIGDIR" ] || ! [ -d "$CONFIGDIR" ]
	then
		echo "$CONFIGDIR is not a writable directory"
		return 1
	fi
	return 0
}

start() {
	(
		export CONFIGDIR="$CONFIGDIR"
		export CONFIG="$CONFIG"
		while "$command" "$@" 2>&1 | tee /var/log/pia-wg.log && [ ${PIPESTATUS[0]} -ne 0 ]
		do
			ewarn "Failed, retrying"
			sleep 1
		done
		einfo "OK"
	);
	return 0
}

reload() {
	start -n
}

restart() {
	stop
	start
}

stop() {
	source "$CONFIG"
	ip link del "${PIA_INTERFACE:-pia}"
}