#!/bin/sh

set -eu


# Loaded from ~/.config/environment.d/50-defaults.conf or a local override
BRIGHTNESS="${DEFAULT_BRIGHTNESS:?unset, check ~/.config/environment.d/}"


gdbus wait --session --timeout 10 org.gnome.SettingsDaemon.Power

gdbus call --session \
    --dest org.gnome.SettingsDaemon.Power \
    --object-path /org/gnome/SettingsDaemon/Power \
    --method org.freedesktop.DBus.Properties.Set \
    org.gnome.SettingsDaemon.Power.Screen Brightness "<int32 $BRIGHTNESS>" \
    >/dev/null


echo "Set screen brightness to $BRIGHTNESS"