#!/bin/bash

start(){
  printf 'Real IP: %s\n' "$(curl -s ifconfig.co)"
  set -- /etc/openvpn/ovpn_tcp/*.nordvpn.com.tcp.ovpn
  shift $(( RANDOM % $# ))
  screen -S vpn -dm openvpn "$1" # connect
  sleep 4 # wait for connection
  printf 'VPN IP: %s\n' "$(curl -s ifconfig.co)"
}
stop(){
  if ! screen -ls | grep -q vpn; then
    echo "No VPN connection to stop"
  else
    screen -S vpn -X quit
    pkill -f ovpn
  fi
}
status(){
  printf 'Current IP: %s\n' "$(curl -s ifconfig.co)"
}

case "$1" in
start)
    if screen -ls | grep -q vpn; then
      echo "VPN Already Connected";
      status
    else
      start
    fi
    ;;
stop)
    stop
    ;;
*)
    status
    ;;
esac