#!/bin/bash

praznim=$(acpi -b | grep Discharging)
lvl=$(acpi -b | sed -e 's/[,%\s]//g' | awk '{s+=$4} END {printf "%.0f", s/2}')

nizka=7
kriticna=3

if [[ $praznim ]]; then
  if [[ $lvl -lt $kriticna ]]; then
    systemctl suspend
  elif [[ $lvl -lt $nizka ]]; then
    notify-send -u critical -i /usr/share/icons/gnome/32x32/status/battery-low.png "BATERIJA NISKA: $lvl%"
  fi
fi