#!/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

togglevpn() {
	if [ ! -n "$(cat /sys/class/net/libre/operstate 2>/dev/null)" ];then
		reloadsingbox
		notify-send "   Internet module" "Connected to VPN"
	else
		killall sing-box
		notify-send "   Internet module" "Disconnected from VPN"
	fi
}

case $BLOCK_BUTTON in
	1) togglevpn 2>/dev/null ;;
	3) notify-send "🌐 Internet module" "\- Click to enable/disable VPN
		❌: wifi disabled
		📡: no wifi connection
		📶: wifi connection with quality
		❎: no ethernet
		🌐: ethernet working
		🔒: vpn is active
		" ;;
	8) setsid -f "$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="❎"

# Wireguard 
[ -n "$(cat /sys/class/net/libre/operstate 2>/dev/null)" ] && tunicon="  "

printf "%s%s%s\n" "$wifiicon" "$ethericon" "$tunicon"