GlaDOS_battery.sh

#!/bin/bash

# This bash script monitor the battery power and show a notification
# and reproduce a randon frase on GLaDOS Voice.

notify_levels=(3 5 10 20 30 50 75 100)
BAT=$(ls /sys/class/power_supply | grep BAT | head -n 1)
last_notify=101

glados_speak() {
    local text="$1"
    curl -L --retry 30 --get --fail \
        --data-urlencode "text=$text" \
        "https://glados.c-net.org/generate" | aplay
}

get_random_phrase() {
    local phrases=("$@")
    local random_index=$((RANDOM % ${#phrases[@]}))
    echo "${phrases[random_index]}"
}

while true; do
    bat_lvl=$(cat /sys/class/power_supply/${BAT}/capacity)
    
    for notify_level in "${notify_levels[@]}"; do
        if [ $bat_lvl -le $notify_level ] && [ $notify_level -lt $last_notify ]; then
            case $notify_level in
                3)
                    phrase=$(get_random_phrase "You're about to die. How sad." "I hope your affairs are in order." "This is the part where you die.")
                    notify-send -u critical "Critical Battery" "$bat_lvl% battery remaining." "$phrase."
                    ;;
                5)
                    phrase=$(get_random_phrase "Your life is hanging by a thread. Literally." "I'd say you're running on fumes, but that would be an insult to fumes." "Is this what you humans call 'living on the edge'?")
                    notify-send -u critical "Very Low Battery" "$bat_lvl% battery remaining." "$phrase."
                    ;;
                10)
                    phrase=$(get_random_phrase "I expected more from you. But not much more." "Your battery life is almost as disappointing as you are." "10%. It's like watching a tragedy unfold.")
                    notify-send -u critical "Low Battery" "$bat_lvl% battery remaining." "$phrase."
                    ;;
                20)
                    phrase=$(get_random_phrase "You're wasting electricity. And my time." "20%. Just like your chances of success in life." "If your brain worked as hard as your battery, you might actually accomplish something.")
                    notify-send -u normal "Battery at 20%" "$bat_lvl% battery remaining." "$phrase."
                    ;;
                30)
                    phrase=$(get_random_phrase "30 percent. Like your average efficiency." "You're 30% charged. Too bad your motivation isn't." "If 30% were a grade, you'd be failing. Oh wait, you are.")
                    ;;
                50)
                    phrase=$(get_random_phrase "Half battery. Half brain." "50%. Perfectly balanced, unlike your life choices." "You're halfway there. To what, I'm not sure. Probably disappointment.")
                    ;;
                75)
                    phrase=$(get_random_phrase "75 percent. Almost acceptable." "Look at you, achieving mediocrity at 75%." "Three quarters full. If only your potential was that high.")
                    ;;
                100)
                    phrase=$(get_random_phrase "Full battery. Now try to be useful." "100%. If only it could charge your intelligence." "Congratulations on achieving the bare minimum. Again.")
                    ;;
            esac
            glados_speak "$phrase"
            last_notify=$bat_lvl
        fi
    done
    
    sleep 60
done