#!/usr/bin/env bash

LOW_THRESHOLD=15
CRITICAL_THRESHOLD=5

charge=$(cat /sys/class/power_supply/BAT0/capacity)
state=$(cat /sys/class/power_supply/ACAD/online)

echo "charging: $(state)"

if [[ "$state" == "0" ]]; then
    if [[ $charge -le $CRITICAL_THRESHOLD ]]; then
        echo "critical"
        notify-send -t 10000 -u critical "Battery critically low! ($charge%)"
    elif [[ $charge -le $LOW_THRESHOLD ]]; then
        echo "low"
        notify-send -u normal "Battery low ($charge%)"
    fi
fi