#!/bin/bash

dev_wifi=$(<"$HOME"/.config/net-cfg/dev_wifi)
dev_eth=$(<"$HOME"/.config/net-cfg/dev_eth)
dev_vpn=$(<"$HOME"/.config/net-cfg/dev_vpn)

wifi_icon=" "

eth="$(ip -o address | grep -i "$dev_eth *inet ")"
if [ -n "$eth" ]
then
    speed="$(cat "/sys/class/net/$dev_eth/speed")"
    case $speed in
        10) speed="10Base-T" ;;
        100) speed="100Base-T" ;;
        1000) speed="Gigabit" ;;
        *) speed="UNKNOWN $speed" ;;
    esac
    eth_status="  $speed"
fi

ssid="$(iw dev "$dev_wifi" link | grep -i SSID)"
if [ -n "$ssid" ]
then
    signal="$(awk '/^\s*w/ { print int($3 * 100 / 70) "%" }' /proc/net/wireless)"
    wifi_status="$wifi_icon ${signal} ${ssid##*SSID: }"
fi

vpn="$(ip -o address | grep -i "$dev_vpn *inet ")"
if [ -n "$vpn" ]
then
    vpn_status=""
else
    vpn_status=""
fi

echo "${vpn_status} $wifi_status$eth_status"