#!/bin/sh

CHARGING=""

get_symbol() {
    printf ''
    if [ "$2" = "indeed" ]; then
        printf $CHARGING
    else 
        if [ "$1" -ge 0 ] && [ "$1" -le 4 ]; then
            printf ""
        elif [ "$1" -ge 5 ] && [ "$1" -le 14 ]; then
            printf ""
        elif [ "$1" -ge 15 ] && [ "$1" -le 24 ]; then
            printf ""
        elif [ "$1" -ge 25 ] && [ "$1" -le 34 ]; then
            printf ""
        elif [ "$1" -ge 35 ] && [ "$1" -le 44 ]; then
            printf ""
        elif [ "$1" -ge 45 ] && [ "$1" -le 54 ]; then
            printf ""
        elif [ "$1" -ge 55 ] && [ "$1" -le 64 ]; then
            printf ""
        elif [ "$1" -ge 65 ] && [ "$1" -le 74 ]; then
            printf ""
        elif [ "$1" -ge 75 ] && [ "$1" -le 84 ]; then
            printf ""
        elif [ "$1" -ge 85 ] && [ "$1" -le 94 ]; then
            printf ""
        elif [ "$1" -ge 95 ] && [ "$1" -le 100 ]; then
            printf ""
        else 
            printf "uhoh"
        fi
    fi
    printf ''
        
}

for bat in /sys/class/power_supply/BAT*; do 
    stt=$(cat "$bat/status")
    if [ "$stt" = 'Discharging' ] || [ "$stt" = 'Not charging' ] 
    then
        is_battery_charging='no'
    else
        is_battery_charging='indeed'
    fi

    cpcy="$(cat "$bat/capacity")"

    symbol="$(get_symbol "$cpcy" "$is_battery_charging")"

    printf "$symbol $cpcy%%" | tr '\n' ' ';
done