#!/bin/sh

# Get the current brightness percentage from brightnessctl -m output
get_brightness() {
  brightnessctl -m | awk -F, '{gsub(/%/,"",$4); print $4}'
}

case "$1" in
up)
  brightnessctl set 5%+ >/dev/null
  brightness=$(get_brightness)
  dunstify -a "Backlight" -r 9994 -h int:value:"$brightness" -i "brightness" "Brightness" "Currently at $brightness%" -t 1000
  ;;
down)
  brightnessctl set 5%- >/dev/null
  brightness=$(get_brightness)
  dunstify -a "Backlight" -r 9994 -h int:value:"$brightness" -i "brightness" "Brightness" "Currently at $brightness%" -t 1000
  ;;
*)
  echo "Usage: $0 {up|down}"
  exit 1
  ;;
esac