#!/bin/sh

# Sets xsetroot name
# Copy to any location (e.g. ~/.config/dwm), modify as needed, and set this script to run
# in .xinitrc. Note make sure it is nonblocking (add & to end) or this will freeze the
# system

print_date(){
    echo $(date "+%a, %b %d %R")
}

print_mem(){
    available=$(cat /proc/meminfo | grep MemAvailable | awk '{print $2}')
    echo "$((available/1024))M"
}

print_ip(){
    # Print normal ip
    normal_ip="$(ip addr show | grep enp4s0 | grep inet | awk '{print $2}' | awk -F/ '{print $1}')"

    # If I'm connected to a vpn, print vpn ip
    vpn_ip="$(ip addr show | grep tun0 | grep inet | awk '{print $2}' | awk -F/ '{print $1}')"
    if [ -z $vpn_ip ];
    then
	echo "$normal_ip"
    else
	echo "$normal_ip | $vpn_ip"
    fi	
}

while true
do
    xsetroot -name "$(print_ip) | $(print_mem) | $(print_date)"
    sleep 1
done