#!/bin/bash
if [[ $EUID -eq 0 ]]; then
   root=1
fi

tmpfile="/tmp/connectedto"
vpnconfpath="/etc/openvpn/client"

function helpertext () {
echo "VPN Manager Help Text"
echo "When connected yo have the following options"
echo "stop - This stopps the VPN connection"
echo "info|status - This shows the status of the connection"
}

function weAreConnected () {
if [ -f $tmpfile ]
then
  echo "We are connected to `cat $tmpfile`"
#  if [[ $1 == "stop" ]]
#  then
#    systemctl stop openvpn-client@`cat $tmpfile`
#  fi

case $1 in
  "stop")
    if [[ $root -eq 1 ]]
    then
      echo "Stopping VPN Connection"
      systemctl stop openvpn-client@`cat $tmpfile`
      echo "Removing connectedto file"
      rm -f $tmpfile
    else
      sudo vpnctl $1
    fi
    ;;
  "info")
    systemctl status openvpn-client@`cat $tmpfile`
    ;;
  "status")
    systemctl status openvpn-client@`cat $tmpfile`
    ;;
  *)
    helpertext
    ;;
esac
fi

}

function notConnected () {
#TODO All funtions here require root so I should move this to a single check
case $1 in
  "list")
    if [[ $root -eq 1 ]]
    then
      ls -alh $vpnconfpath | grep conf | awk '{print $9}' | cut -d '.' -f 1
    else
      sudo vpnctl $1
    fi
    ;;
  "connect")
    if [[ $root -eq 1 ]]
    then
      systemctl start openvpn-client@$2
      echo $2 > $tmpfile
    else
      sudo vpnctl $1 $2
    fi
    ;;
  *)
    echo "use 'vpn connect DESTINATION'"
    vpnctl list
   ;;

esac


}

## Check for tunnel device to see if we are connected
if [ -d /sys/class/net/tun0 ]
then
  weAreConnected $1
else
  notConnected $1 $2
fi