#!/usr/bin/env bash

run_directory=$(dirname "$0")
user=$(whoami)

source "$run_directory/variables.conf"

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

if [[ $user != 'root' ]]; then
  sudo="sudo"
else
  sudo=""
fi

echo "Copying Systemd units to system directory..."

if [ ! -f /etc/ssl/cert.crt ]; then
  $sudo openssl req -newkey rsa:4096 -x509 -sha256 -days 999 -nodes -out /etc/ssl/cert.crt -keyout /etc/ssl/cert.key \
    -subj "/C=/ST=/L=/O=/OU=/CN="
fi
if [ -d /etc/nginx ]; then
  $sudo cp $run_directory/nginx-blocks/0-http-redirect /etc/nginx/sites-available/0-http-redirect
  $sudo ln -s ../sites-available/0-http-redirect /etc/nginx/sites-enabled/0-http-redirect
fi

if [ "$filebrowser" = "yes" ]; then
  $sudo cp $run_directory/systemd-templates/filebrowser.service /etc/systemd/system/
  $sudo sed -i -e "s/PH_NAS_USER/$nas_user/g" /etc/systemd/system/filebrowser.service
  $sudo sed -i -e "s:PH_NAS_DIRECTORY:$nas_location:g" /etc/systemd/system/filebrowser.service
  $sudo cp $run_directory/nginx-blocks/filebrowser /etc/nginx/sites-available/filebrowser
  $sudo sed -i -e "s/PH_FQDN/$(hostname)/g" /etc/nginx/sites-available/filebrowser
  $sudo ln -s ../sites-available/filebrowser /etc/nginx/sites-enabled/filebrowser
fi

if [ "$dlna_server" = "yes" ]; then
  $sudo sed -i -e "s:media_dir=/var/lib/minidlna:media_dir=$nas_location:g" /etc/minidlna.conf
  $sudo sed -i -e "s:#friendly_name=:friendly_name=$(hostname -s):g" /etc/minidlna.conf
fi

if [ "$dl_server" = "yes" ]; then
  $sudo cp $run_directory/systemd-templates/transmission-daemon.service /etc/systemd/system/
  $sudo sed -i -e "s/PH_NAS_USER/$nas_user/g" /etc/systemd/system/transmission-daemon.service
  $sudo sed -i -e "s/PH_AUTHORIZED_ADDRESSES/$authorized_ips/g" /etc/systemd/system/transmission-daemon.service
  $sudo sed -i -e "s/PH_USER/$user/g" /etc/systemd/system/transmission-daemon.service
  $sudo sed -i -e "s/PH_PASSWORD/$password/g" /etc/systemd/system/transmission-daemon.service
  $sudo sed -i -e "s:PH_DL_LOCATION:$dl_location:g" /etc/systemd/system/transmission-daemon.service
  $sudo cp $run_directory/systemd-templates/transmission-vpn.service /etc/systemd/system/
  $sudo sed -i -e "s:PH_DIRECTORY:$run_directory:g" /etc/systemd/system/transmission-vpn.service
  $sudo cp $run_directory/systemd-templates/transmission-vpn.timer /etc/systemd/system/
  $sudo cp $run_directory/nginx-blocks/transmission /etc/nginx/sites-available/transmission
  $sudo sed -i -e "s/PH_FQDN/$(hostname)/g" /etc/nginx/sites-available/transmission
  $sudo ln -s ../sites-available/transmission /etc/nginx/sites-enabled/transmission
fi

if [ "$ftp_server" = "yes" ]; then
  $sudo sed -i -e "s/#write_enable=YES/write_enable=YES/g" /etc/vsftpd.conf
  $sudo sed -i -e "s/#utf8_filesystem=YES/utf8_filesystem=YES/g" /etc/vsftpd.conf
fi

echo "Reloading Systemd..."
sudo systemctl daemon-reload

echo "Finished install. Exiting..."
exit 0