#!/bin/bash
set -e  # Exit if error


# This script synchronizes data from FTP into local folder:
# - remove file that do not exist anymore in the FTP (mirror -e)
#
# No modification will be done in the FTP.
#
# Configuration is gathered at the beginning of the script.


# =============================================================================
#                   Configuration
# =============================================================================
FTP_USER=ftp
FTP_PASS=ftp
FTP_IP=192.168.1.30
FTP_PORT=2121


DESTINATION=Phone/ # Local folder where to save files

# List of folders to save
#   example:  LINK+=("/distant/dir" "dir2")
#             will saved FTP folder "/distant/dir" in local folder "$DESTINATION/dir2"

LINK=()
LINK+=("/DCIM" "DCIM")
LINK+=("/Pictures" "Pictures")
LINK+=("/Download" "Download")
LINK+=("/WhatsApp/Media/WhatsApp Video" "WhatsApp_Video")
LINK+=("/WhatsApp/Media/WhatsApp Images" "WhatsApp_Images")
LINK+=("/Documents" "Documents")


# =============================================================================
echo "========================================================="
echo "Start synchronisation to ${DESTINATION}"
echo "========================================================="
find ${DESTINATION} -type f -exec chmod 644 {} \;
find ${DESTINATION} -type d -exec chmod 755 {} \;

for ((i=0; i<${#LINK[@]}; i+=2)); do
  DISTANT_DIR=${LINK[i]}
  LOCAL_DIR=${LINK[i+1]}
  echo "############################## ${DISTANT_DIR} > ${LOCAL_DIR}"
  mkdir -p "${DESTINATION}/${LOCAL_DIR}/"

  if lftp ftp://${FTP_USER}:${FTP_PASS}@${FTP_IP}:${FTP_PORT} -e "mirror -e -x .thumbnails -x "saved" \"${DISTANT_DIR}\" \"${DESTINATION}/${LOCAL_DIR}\" ; quit" ; then
    echo "Success :)"
  else
    echo 'Failed !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'
  fi
done