#!/usr/bin/env bash
# Read brightness
percent=100

if command -v brightnessctl &>/dev/null; then
    percent=$(brightnessctl -m 2>/dev/null | cut -d, -f4 | tr -d '%' | head -n 1)
    if [ -z "$percent" ]; then
        percent=100
    fi
fi

echo "{\"brightness\": ${percent:-100}}"