#!/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+4 dwmblocks ;;
	3) notify-send "󰖩 Internet module" "\- 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 [ "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'up' ] ; then
	# /proc/net/wireless is absent on some drivers (e.g. Asahi brcmfmac); fall
	# back to a plain wifi icon with no strength rather than erroring.
	wifiicon="$(awk '/^\s*w/ { print "󰖩 ", int($3 * 100 / 70) "% " }' /proc/net/wireless 2>/dev/null)"
	[ -z "$wifiicon" ] && wifiicon="󰖩  "
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=" 󰌆"

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