#!/bin/sh

set -e
[ -n "$DEBUG" ] && set -x

icons=/usr/share/icons/mdi/scalable

case "${1}" in
	daytime)
		notify-send -i ${icons}/car-light-high.svg -a gamma "gamma: day" "switching to light theme"
		gsettings set org.gnome.desktop.interface gtk-theme Adwaita
		pkill -fe -USR1 waybar-gammastep
		;;

	night)
		notify-send -i ${icons}/car-light-dimmed.svg -a gamma "gamma: night" "switching to dark theme"
		gsettings set org.gnome.desktop.interface gtk-theme Adwaita-dark
		pkill -fe -USR2 waybar-gammastep
		;;

	dusk | dawn)
		# noop
		# pkill -fe -USR2 waybar-gammastep
		;;

	*)
		printf "usage: %s [night|daytime]\n" "$(basename "$(readlink -f -- "$0")")"
		;;
esac