#!/usr/bin/env bash

run_directory=$(dirname $(readlink -f "$0"))

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..."
for f in $run_directory/mounts.conf.d/*.conf; do
  if [ ! -e "$f" ]; then
    continue
  fi
  source $f
  mountfile=$(echo ${mount[target]} | sed -e "s:/:-:g")
  mountfile=${mountfile:1}.mount
  $sudo cp $run_directory/template.mount /etc/systemd/system/$mountfile
  $sudo sed -i -e "s/PH_MAPPER/${mount[mapper]}/g" /etc/systemd/system/$mountfile
  $sudo sed -i -e "s:PH_TARGET:${mount[target]}:g" /etc/systemd/system/$mountfile
  if [ "${mount[friendly]}" != '' ]; then
    $sudo sed -i -e "s/PH_FRIENDLY/${mount[friendly]}/g" /etc/systemd/system/$mountfile
  else
    $sudo sed -i -e "s/PH_FRIENDLY/${mount[mapper]}/g" /etc/systemd/system/$mountfile
  fi
  if [ ${mount[autolock]} -eq 1 ]; then
    if [ ! -d /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d ]; then
      $sudo mkdir /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d
    fi
    $sudo cp $run_directory/close-vault.conf.template \
      /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d/close-vault.conf
    $sudo sed -i -e "s/PH_MOUNTFILE/$mountfile/g" \
      /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d/close-vault.conf
  fi
  if [ ${mount[timeout]} -eq 1 ]; then
    if [ ! -d /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d ]; then
      $sudo mkdir /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d
    fi
    $sudo cp $run_directory/timeout.conf /etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d/timeout.conf
  fi
done

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

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