#!/bin/sh
if [ $1 = '-d' ]; then
    current=$(xrandr --verbose | grep -m 1 -i brightness | awk -F' ' '{ print $2 }')
    new=$(echo "$current - 0.1" | bc -l)
    xrandr --output eDP-1 --brightness 0$new
	percent=$(echo "$new * 100" | bc -l)
	notify-send "Brightness lowered to ${percent}%" 
elif [ $1 = '-u' ]; then
    current=$(xrandr --verbose | grep -m 1 -i brightness | awk -F' ' '{ print $2 }')
	new=$(echo "$current + 0.1" | bc -l)
    xrandr --output eDP-1 --brightness 0$new
	percent=$(echo "$new * 100" | bc -l)
	notify-send "Brightness raised to ${percent}%"
elif [ $1 = '-m' ]; then
    xrandr --output eDP-1 --brightness 1
	notify-send "Brightness reset to 100%"
else
    xrandr --output eDP-1 --brightness $1
fi