#!/bin/bash

# Populating a remote piwigo instance with thumbnails
# Usefull for first import of a large photo archive which is
# then served from a low performance device (e.g. Raspberry Pi)

# TODO Adjust password in the line where sshfs is mounted
# TODO Adjust following directories to fit your needs

# Get script working directory
# (when called from a different directory)
WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"

if [ ! -s "$WDIR/config.sh" ] ; then
  echo "No configuration found"
  exit 1;
fi
. "$WDIR/config.sh"

if [ "$1" == "" ]
then
  echo "Subfolder must be provided!"
  echo "Source: $piwiPhotoRootRemote"
  echo "Remote: ${piwiThumbRootRemote}[subfolder]"
  exit 1;
fi

subDir="$1/"

if [ ! -e ${piwiPhotoRootRemote}${subDir} ]
then
  echo "${piwiPhotoRootRemote}${subDir} not found"
  exit 1;
fi

mkdir -p "${piwiLocalTemp}" "${piwiLocalThumbRoot}"

$WDIR/piwigo_thumbgen.sh "${piwiPhotoRootRemote}${subDir}" "${piwiLocalTemp}${subDir}"

if [[ -z $(mount | grep ${piwiLocalThumbRoot}) ]]
then
  echo -n "mounting $piwiLocalThumbRoot ..." 
  sshfs ${piwiRemoteUser}@${piwiRemoteHost}:${piwiThumbRootRemote} ${piwiLocalThumbRoot} -o password_stdin <<< "${piwiRemotePass}" && echo "ok"
fi

if [[ ! -z $(mount | grep ${piwiLocalThumbRoot}) ]]
then
  echo "copying thumbnails to webserver..." 
  rsync --ignore-existing -r "${piwiLocalTemp}${subDir}" "${piwiLocalThumbRoot}${subDir}"
fi

echo "chown -R www-data: ${piwiThumbRootRemote}/${subDir} (on your webserver)"
echo "Symlink network drive on webserver (e.g. /var/www/piwigo/network/network/${subDir})"
read -n 1 -s -r -p "Press any key to continue"

echo -e -n "\nUpdating gallery..."

$WDIR/piwirefresh.sh && echo "Ok"

echo "Don't forget to sudo umount ${piwiLocalThumbRoot}"
exit 0;