#!/bin/bash

# Find all battery devices (BAT0, BAT1, etc.)
BATTERY_DEVICES=$(upower -e | grep 'BAT')
ON_BATTERY=false

# Iterate through all detected batteries
for DEVICE in $BATTERY_DEVICES; do
    # Get the state for the current battery device
    STATE=$(upower -i $DEVICE | grep "state" | awk '{print $2}')
    
    # Check if the state is 'discharging' for ANY battery
    if [ "$STATE" = "discharging" ]; then
        ON_BATTERY=true
        break # Exit the loop as soon as one is found to be discharging
    fi
done

# Check the final condition and suspend if true
if $ON_BATTERY; then
    systemctl suspend
fi