#!/bin/sh

acpi=$(acpi -b)

if [ "$acpi" = "" ]; then
    echo ""
    return
fi

total=$(echo $acpi | sed 's/.*:\ //')

status="$(echo $total | cut -d',' -f1)"
capacity="$(echo $total | cut -d',' -f2 | sed 's/%//')"

if [ "$status" = "Discharging" ] && [ $capacity -le 20 ] ; then
        notify-send -u critical "Battery" "Low capacity: $capacity%"
fi

if [ $capacity -gt 40 ]
then
    color="^b#282828^^c#dfdfdf^"
elif [ $capacity -gt 20 ]
then
    color="^b#282828^^c#ffff00^"
else
    color="^b#282828^^c#ff0000^"
fi

case "$status" in
    "Discharging")
        if [ $capacity -gt 75 ]
        then
            icon=""
        elif [ $capacity -gt 60 ]
        then
            icon=""
        elif [ $capacity -gt 40 ]
        then
            icon=""
        elif [ $capacity -gt 20 ]
        then
            icon=""
        else
            icon=""
        fi
        ;;
    "Not charging")
        icon="";;
    "Charging")
        icon="";;
    "Unknown")
        icon="";;
    "Full")
        icon="⚡";;
esac

capacity=$(echo "$capacity" | sed -e 's/$//')
capacity=$(printf %3s $capacity | tr ' ' ' ')

echo "$color $icon ^d^"