#!/bin/env bash

set -e

if [ "$EUID" -eq 0 ]; then
	echo "Don't use sudo/root pls"
	exit
fi

if ! wg &>/dev/null; then
	wg-quick down wg0
	echo "Disconnected from Wireguard!"
	exit
fi

if sudo pppstats &>/dev/null; then
	sudo poff uni-tuebingen
	echo "Disconnected from Tübingen!"
	exit
fi

read -p "[T]uebingen or [W]ireguard? " -n 1 -r
echo
if [[ $REPLY =~ ^[Tt]$ ]]; then
	sudo pon uni-tuebingen
	echo "Connected to Tübingen!"
	exit
elif [[ $REPLY =~ ^[Ww]$ ]]; then
	wg-quick up wg0
	echo "Connected to Wireguard!"
	exit
fi