#!/bin/sh

i=10
dir="/sys/class/power_supply/BAT0/"
icon_dir="/usr/share/icons/Papirus/22x22/panel/"

[ -n "$1" ] && printf "Sleep for %s seconds\n" "$i"

while sleep $i; do
	capacity_level=$(cat "$dir"/capacity_level)
	state=$(cat "$dir"/status)
	case $capacity_level in
		*ritical) i=10 ;;
		*ow) i=60 ;;
		*) i=300 ;;
	esac
	[ -n "$1" ] && printf "Sleep for %s seconds\n" "$i"
	[ "$state" = "Discharging" ] || continue
	[ "$capacity_level" != "Normal" ] && notify-send -i "$icon_dir/battery-010.svg" -h "string:x-canonical-private-synchronous:${0##*/}" "$(cat "$dir/capacity") Battery $capacity_level, Please Plugin Charger!!" -u "$capacity_level" 
done