#!/bin/sh
#
# ISC License
# 
# Copyright (c) 2020-2021, Jake Bauer
# 
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
# 
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

while true; do
	perc=$(apm -l)
	ac=$(apm -a)
	if [ ! "$ac" -eq 1 ]; then
		if [ "$perc" -lt 10 ]; then
			notify-send -u critical "CRITICAL: Battery Drained" \
				"Hibernating soon!"
		elif [ "$perc" -lt 15 ]; then
			notify-send -u critical "WARNING: Battery Critically Low" \
				"Plug in a charger now or save all work and shut down."
		elif [ "$perc" -lt 20 ]; then
			notify-send "Warning: Battery Low" "Plug in a charger soon."
		fi
	fi
	sleep 300
done