#!/usr/bin/env bash

run_directory=$(dirname "$0")

if [ -f $run_directory/.disabled ]; then
  echo "Installation is disabled. Exiting..."
  exit 0
fi

echo "Copying Systemd units and drop-ins to system directory..."
sudo cp $run_directory/webssh.service /etc/systemd/system/
sudo cp $run_directory/etc-letsencrypt.mount /etc/systemd/system/
if [ ! -d /etc/systemd/system/nginx.service.d ]; then # TODO
  mkdir /etc/systemd/system/nginx.service.d
fi
sudo cp $run_directory/start-lighttpd.conf /etc/systemd/system/nginx.service.d/
sudo cp $run_directory/wait-for-dns.conf /etc/systemd/system/nginx.service.d/

echo "Setting up lighttpd..."
sudo cp $run_directory/lighttpd-webssh.conf /etc/lighttpd/conf-available/99-webssh.conf
sudo rm /etc/lighttpd/conf-enabled/*
sudo ln -s /etc/lighttpd/conf-available/10-proxy.conf /etc/lighttpd/conf-enabled/
sudo ln -s /etc/lighttpd/conf-available/10-ssl.conf /etc/lighttpd/conf-enabled/
sudo ln -s /etc/lighttpd/conf-available/99-webssh.conf /etc/lighttpd/conf-enabled/
if [ ! -f /etc/lighttpd/server.pem ]; then # TODO
  echo "Creating an SSL certificate for lighttpd:"
  openssl req -newkey rsa:4096 -x509 -sha256 -days 999 -nodes -out /etc/lighttpd/server.pem -keyout \
  /etc/lighttpd/server.pem -subj "/C=/ST=/L=/O=/OU=/CN=" # is it the right way?
  #chmod o+r /etc/lighttpd/server.pem # needed?
fi

echo "Reloading Systemd..."
sudo systemctl daemon-reload
echo "Disabling nginx and enabling lighttpd..."
sudo systemctl disable nginx
sudo systemctl enable lighttpd

echo "Finished install. Exiting..."
echo "NOTE: Neither nginx nor lighttpd were started/stopped."
exit 0