#!/bin/bash


batLevel=$(acpi --battery | grep -Po '(\d+)\%' | sed 's/%//')

charging=$(acpi --ac-adapter | grep -Po '(off-line|on-line)')

if [ $batLevel -le 20 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=4> </fn>"
	fi
elif [ $batLevel -le 30 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=4> </fn>"
	fi
elif [ $batLevel -le 40 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=3> </fn>"
	fi
elif [ $batLevel -le 60 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=4> </fn>"
	fi
elif [ $batLevel -le 80 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=4> </fn>"
	fi
elif [ $batLevel -le 95 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=4> </fn>"
	fi
elif [ $batLevel -g 95 ];
then
	if [ $charging == "on-line" ];
	then
		echo "<fn=3> </fn>"
	else
		echo "<fn=4> </fn>"
	fi
fi