#!/bin/bash
#
# vpn-stack
# A set of bash scripts for installing and managing a WireGuard VPN server.
# https://git.stack-source.com/msb/vpn-stack
# Copyright (c) 2022 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

# load include file
source $(dirname $0)/wg.sh

help()
{
  thisfilename=$(basename -- "$0")
  echo "Email client config."
  echo ""
  echo "usage: $thisfilename -c <client> -e <email> [-h]"
  echo ""
  echo "  -h            Print this help."
  echo "  -c <client>   Name of the client configuration."
  echo "  -e <email>    Email address to send config to."
}

wg::getoptions "$@"

# check for client config name
if [[ -z $client ]]; then
  echo "client name is required"
  exit
fi

# check for email address
if [[ -z $email ]]; then
  echo "email address is required"
  exit
fi

# set config file name
config=$client.conf

# check for existing config
if [ -f /etc/wireguard/clients/$config ]; then

  # check for zip, create if it doesn't already exist
  if [[ ! -f /var/lib/wireguard/$config.zip ]]; then
    wg-client-zip-create.sh -c $client
  fi

  mail -s "WireGuard config for $client" --attach=/var/lib/wireguard/$config.zip $email <<< "Please find attached the WireGuard config for $client"

else
  echo "config for $client $device does not exist"
fi