#!/bin/sh

set -e

_ask() {
	printf "%s: " "$1"
	read -r "$2"
}

_NAME=tun0
_ask "Config filename ($_NAME)" NAME
NAME=${NAME:-$_NAME}

if [ -f /etc/glorytun/"$NAME" ]; then
	echo "This config already exit!"
	exit 1
fi

_ask "Server ip (enter for server conf)" HOST

_ask "Server key (enter to generate a new one)" KEY
if [ -z "$KEY" ]; then
	KEY=$(glorytun keygen) || exit
	echo "Your new key: $KEY"
fi

mkdir -p /etc/glorytun
FILE="/etc/glorytun/$NAME"

echo "${HOST:+HOST=$HOST}" > "$FILE"

touch "$FILE.key"
chmod 600 "$FILE.key"
echo "$KEY" > "$FILE.key"

echo "Done"