#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

state_dir=/var/lib/acpilight

extra_commands="save restore"

depend() {
	need localmount
	after bootmisc modules isapnp coldplug hotplug
}

restore() {
	ebegin "Restoring brightness level"
	if [ ! -r "${state_dir}/state" ] ; then
		ewarn "No brightness level in ${state_dir}/state"
		eend 0
		return 0
	fi
	xbacklight "$(cat "${state_dir}/state")"
	eend $?
}

save() {
	ebegin "Saving brightness level"
	mkdir -p "${state_dir}" && xbacklight -get > "${state_dir}/state"
	eend $?
}

start() {
	if [ "${RESTORE_ON_START}" = "yes" ]; then
		restore
	fi
}

stop() {
	if [ "${SAVE_ON_STOP}" = "yes" ]; then
		save
	fi
}