#!/usr/bin/env bash
#
# Read XML from Flickr and rename corresponding files to 'taken' date
# requires xml2 and jhead RPMs
#
# SPDX-License-Identifier: MIT

for file in *.xml; do
  FNAME="${file%.*}"
  if [ ! -e "${FNAME}.jpg" ]; then
    continue
  fi
  echo "Inspecting $file"
  JPGDT=$(xml2 < "$file" | grep "@taken=" | cut -f2 -d '=')
  if [ "X${JPGDT}" == "X" ]; then
    echo "Empty Date/Time."
    continue
  else
      BASE=$(date -d "$JPGDT" +"FLICKR_%Y%m%d_%H%M%S")
      if [ ! -e "${BASE}.jpg" ]; then
        echo "New file: ${BASE}.jpg"
        mv "${FNAME}.jpg" "${BASE}.jpg"
        touch -d "${JPGDT}" "${BASE}.jpg"
        jhead -mkexif -dsft "${BASE}.jpg"
        rm -f "${file}"
      fi
  fi
done