#!/usr/bin/env bash

down() {
brightnessctl set 5%-
brightnessctl=$(brightnessctl | grep -oP "(\d+(\.\d+)?(?=%))")
notify-send -a "Brightness" "Decreasing to $brightnessctl%" -h int:value:"$brightnessctl" -i ~/icons/brightness.png -r 2593 -u normal
}

up() {
brightnessctl set 5%+
brightnessctl=$(brightnessctl | grep -oP "(\d+(\.\d+)?(?=%))")
notify-send -a "BRightness" "Increasing to $brightnessctl%" -h int:value:"$brightnessctl" -i ~/icons/brightness.png -r 2593 -u normal
}

case "$1" in
  up) up;;
  down) down;;
esac