#!/bin/sh

# Show wifi 🛜 and percent strength or 📡 if none.
# Show 🌐 if connected to ethernet or ❎ if none.
# Show 🛰️ if a vpn connection is active

case $BLOCK_BUTTON in
1)
  "$TERMINAL" -e nmtui
  pkill -RTMIN+7 dwmblocks
  ;;
3) notify-send "🌐 Internet module" "\- Left click to connect
❌: wifi disabled
📡: no wifi connection
🛜: wifi connection with quality
❎: no ethernet
🌐: ethernet working
🛰️: vpn is active
" ;;
6) setsid -f "$TERMINAL" -e "$EDITOR" "$0" ;;
esac

# Wifi
if [ "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'up' ]; then
  wifiicon="$(awk '/^\s*w/ { print "🛜" int($3 * 100 / 70) "%" }' /proc/net/wireless)"
elif [ "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'down' ]; then
  [ "$(cat /sys/class/net/w*/flags 2>/dev/null)" = '0x1003' ] && wifiicon="📡" || wifiicon="❌"
fi

# Ethernet
[ "$(cat /sys/class/net/e*/operstate 2>/dev/null)" = 'up' ] && ethericon="🌐" || ethericon="❎"

# TUN
[ -n "$(cat /sys/class/net/tun*/operstate 2>/dev/null)" ] && tunicon=" 🛰️"

if [ "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'up' ] && [ ! "$(cat /sys/class/net/e*/operstate 2>/dev/null)" = 'up' ]; then
  printf "%s%s\n" "$wifiicon" "$tunicon"
elif [ ! "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'up' ] && [ "$(cat /sys/class/net/e*/operstate 2>/dev/null)" = 'up' ]; then
  printf "%s%s\n" "$ethericon" "$tunicon"
else
  printf "%s%s%s\n" "$wifiicon" " $ethericon" "$tunicon"
fi