#!/bin/bash

ynh_setting() {
  app=${1}
  setting=${2}
  ynh_app_setting_get $app $setting
}

source ./helpers

domain=$(ynh_setting vpnclient domain)
path=$(ynh_setting vpnclient path)
server_name=$(ynh_setting vpnclient server_name)

sudo mkdir -m 0700 -p /var/cache/labriqueinternet/vpnclient/
sudo tar czf "/var/cache/labriqueinternet/vpnclient/rollback_$(date +%Y-%m-%d-%H%M%S).tgz" /etc/openvpn/ /etc/yunohost/apps/vpnclient/ &> /dev/null

tmpdir=$(mktemp -dp /tmp/ vpnclient-upgrade-XXXXX)
sudo cp -a /etc/yunohost/apps/vpnclient/settings.yml "${tmpdir}/"
sudo cp -a /etc/openvpn/keys/ "${tmpdir}/"

if [ ! -e /etc/openvpn/client.conf.tpl.restore ] || ! cmp -s /etc/openvpn/client.conf.tpl{,.restore}; then
  sudo cp -a /etc/openvpn/client.conf.tpl "${tmpdir}/"
fi

export VPNCLIENT_UPGRADE=1
sudo bash /etc/yunohost/apps/vpnclient/scripts/remove &> /dev/null
bash ./install "${domain}" "${path}" "${server_name}"

sudo rmdir /etc/openvpn/keys/
sudo cp -a "${tmpdir}/keys/" /etc/openvpn/keys/
sudo cp -a "${tmpdir}/settings.yml" /etc/yunohost/apps/vpnclient/
sudo cp -a "${tmpdir}/client.conf.tpl" /etc/openvpn/ 2> /dev/null
sudo rm -r "${tmpdir}/"

# Changes

if [ -z "$(ynh_setting vpnclient dns0)" ]; then
  sudo yunohost app setting vpnclient dns0 -v 89.234.141.66
  sudo yunohost app setting vpnclient dns1 -v 2001:913::8
fi

ynh_systemctl start ynh-vpnclient