#!/usr/bin/bash

CMD="brightnessctl set"
STATUS=$(brightnessctl g)
MAX=$(brightnessctl m)
CURRENT=$(echo "scale=2; $STATUS / $MAX" | bc)

if [ $1 = 'd' ]; then
    # Using bc to perform floating-point comparison
    if (( $(echo "$CURRENT <= 0.05" | bc -l) )); then
        bash -c "$CMD 1"
    elif (( $(echo "$CURRENT <= 0.1" | bc -l) )); then
        bash -c "$CMD 2%-"
    else
        bash -c "$CMD 5%-"
    fi
elif [ $1 = 'u' ]; then
    if (( $(echo "$CURRENT < 0.1" | bc -l) )); then
        bash -c "$CMD +2%"
    else
        bash -c "$CMD +5%"
    fi
fi