Battery Status

#!/usr/bin/env bash

export DISPLAY=:0.0
AC_ADAPTER=$(acpi -a | cut -d' ' -f3 | cut -d- -f1)
BATTERY_LEVEL=$(acpi -b | grep -P -o '[0-9]+(?=%)')

while true
do
    if [ "$AC_ADAPTER" == "on" ]; then
        if [ "$BATTERY_LEVEL" -ge 75 ]; then
            while true
            do
                notify-send -u critical "Despluge o seu adaptador!" "Bateria level: ${BATTERY_LEVEL}% (charged above 75%)" -i battery-full-charged;
                if [ "$AC_ADAPTER" == "off" ]; then
                    break
                fi
            done
        fi
    else
        #check if the battery level is less than 25%
        if [ "$BATTERY_LEVEL" -lt 25 ]; then
            while true
            do
                notify-send -u critical "Plug seu AC adapter" "Level da Bateria: ${BATTERY_LEVEL}% (charge below 25%)" -i battery-caution;
                if [ "$AC_ADAPTER" == "on" ]; then
                    break
                fi
            done
        fi
    fi
done