#!/data/data/com.termux/files/usr/bin/bash
set -e -u

SCRIPTNAME=termux-brightness
show_usage() {
    echo "Usage: $SCRIPTNAME brightness"
    echo "Set the screen brightness between 0 and 255"
    exit 0
}

if [ $# != 1 ]; then
    show_usage
fi

if ! [[ $1 =~ ^[0-9]+$ ]]; then
    echo "ERROR: Arg must be a number between 0 - 255!"
    show_usage
fi

ARGS="--ei brightness $1"

/data/data/com.termux/files/usr/libexec/termux-api Brightness $ARGS