#!/bin/bash
set -e

NAME=jellyfin
CONF_FILE=/etc/${NAME}.conf
DEFAULT_FILE=/etc/default/${NAME}

# Source Jellyfin default configuration
if [[ -f $DEFAULT_FILE ]]; then
  . $DEFAULT_FILE
fi

# Source Jellyfin user configuration overrides
if [[ -f $CONF_FILE ]]; then
  . $CONF_FILE
fi

# Data directory where Jellyfin database, cache and logs are stored
PROGRAMDATA=${JELLYFIN_DATA-/var/lib/$NAME}

case "$1" in
  configure)
    # create jellyfin group if it does not exist
    if [[ -z "$(getent group jellyfin)" ]]; then
      addgroup --quiet --system jellyfin > /dev/null 2>&1
    fi
    # create jellyfin user if it does not exist
    if [[ -z "$(getent passwd jellyfin)"  ]]; then
      adduser --system --ingroup jellyfin --shell /bin/false jellyfin --no-create-home --home ${PROGRAMDATA} \
        --gecos "Jellyfin default user" > /dev/null 2>&1
    fi
    # ensure $PROGRAMDATA has appropriate permissions
    if [[ ! -d $PROGRAMDATA ]]; then
      mkdir $PROGRAMDATA
      chown -R jellyfin:jellyfin $PROGRAMDATA
    fi
    # ensure jellyfin binary has appropriate permissions
    chmod 755 /usr/bin/jellyfin

    chmod +x ${JELLYFIN_DIR}/restart.sh > /dev/null 2>&1 || true

    # Link hardcoded /var/lib/emby to /var/lib/jellyfin (TEMPORARY)
    ln -sf /var/lib/jellyfin /var/lib/emby

    ;;
    abort-upgrade|abort-remove|abort-deconfigure)
    ;;
    *)
      echo "postinst called with unknown argument \`$1'" >&2
      exit 1
    ;;
esac

#DEBHELPER

if [[ -x "/usr/bin/deb-systemd-helper" ]]; then
  # Manual init script handling
  deb-systemd-helper unmask jellyfin.service >/dev/null || true
  # was-enabled defaults to true, so new installations run enable.
  if deb-systemd-helper --quiet was-enabled jellyfin.service; then
    # Enables the unit on first installation, creates new
    # symlinks on upgrades if the unit file has changed.
    deb-systemd-helper enable jellyfin.service >/dev/null || true
  else
    # Update the statefile to add new symlinks (if any), which need to be
    # cleaned up on purge. Also remove old symlinks.
    deb-systemd-helper update-state jellyfin.service >/dev/null || true
  fi
fi

# End automatically added section
# Automatically added by dh_installinit
if [[ "$1" == "configure" ]] || [[ "$1" == "abort-upgrade" ]]; then
  if [[ -d "/run/systemd/systemd" ]]; then
    systemctl --system daemon-reload >/dev/null || true
    deb-systemd-invoke start jellyfin >/dev/null || true
  elif [[ -x "/etc/init.d/jellyfin" ]] || [[ -e "/etc/init/jellyfin.conf" ]]; then
    update-rc.d jellyfin defaults >/dev/null
    invoke-rc.d jellyfin start || exit $?
  fi
fi
exit 0