#! /bin/bash

BAT_LEVEL=$(acpi -b | awk ' { print ($4)-0}')
CHARGER_ON=$(acpi -a | grep -i "on")
CHARGER_OFF=$(acpi -a | grep -i "off")

if [ "$BAT_LEVEL" -le "20" ] ; then 
	if [ "$CHARGER_OFF" ]; then
		logger "battery not charging, we're gonna die soon."
		notify-send -u critical -i dialog-error "BATTERY LOW" "battery level is below 20%, please plug the AC charger"
		pactl set-sink-volume 0 100\%
		pactl set-sink-mute 0 0
		play -q /usr/share/sounds/Oxygen-Sys-App-Error.ogg
	else
		logger "battery low but charging. It's all fine."
	fi
elif [ "$BAT_LEVEL" -lt "10" ]; then
	if [ "$CHARGER_ON" ]; then
		logger "battery extremely low but charging. It's all fine."
	else
		notify-send -u critical -i dialog-error "BATTERY EXTREMELY LOW" "battery level is below 10%, the system is going to shutdown."
		pactl set-sink-volume 0 100\%
		pactl set-sink-mute 0 0
		play -q /usr/share/sounds/Oxygen-Sys-App-Error-Serious.ogg
	fi
fi