#!/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

# Global config
source config

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) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac

# Emoji used by module
i_low="󰤟 "
i_med="󰤢 "
i_high="󰤥 "
i_max="󰤨 "
i_none="󰤯 "
i_nowifi="󰤭 $we"
i_searching="󱚾 $we"
i_vpn="󰖂 "
i_eth="󰈁 "
i_ethoff="󰈂 "

ssid_max=10

# status2d patch alternating background
# background="^b#333333^"
# background="^b#222222^"


wifi_state=$(cat /sys/class/net/w*/operstate 2>/dev/null)
ethernet=$(sed "s/down/$i_ethoff/;s/up/$i_eth/" /sys/class/net/e*/operstate 2>/dev/null)
vpnconnection=$(sed "s/.*/$i_vpn/" /sys/class/net/tun*/operstate 2>/dev/null)

# Check if network is connected.
if [ "$wifi_state" == "up" ] ; then
  net=$(awk '/^\s*w/ { print int($3 * 100 / 70) }' /proc/net/wireless)
  net=${net:-0}
  ssid=$(iwgetid -r)

  case 1 in
    $((net > 90)) ) wifiicon="$i_max" ;;
    $((net > 70)) ) wifiicon="$i_high" ;;
    $((net > 30)) ) wifiicon="$i_med" ;;
    $((net > 10)) ) wifiicon="$i_low" ;;
    * ) wifiicon="$i_none" ;;
  esac
elif [ "$wifi_state" == "down" ] ; then
  flags=$(cat /sys/class/net/w*/flags)
  if [[ "$flags" == "0x1003" ]]; then
    wifiicon="$i_searching"
  else
    wifiicon="$i_nowifi"
  fi
else
  wifiicon="$i_nowifi"
fi

if [[ ${#ssid} > $ssid_max ]]; then
  ssid="${ssid::ssid_max}..."
fi

printf " $background$wb%s%s%s %.15s^d^" "$wifiicon" "$ethernet" "$vpnconnection" "$ssid"