#!/bin/bash

function set_file_desc {
    image="$*"
    echo "${image}"
    xid=$(exiftool -s -EXIF:ImageDescription "${image}")
    if [ ${#xid} -lt 3 ]; then
        xdd=$(exiftool -s3 -Description "${image}")
        if [ ${#xdd} -gt 2 ]; then
            echo "  Description -> ${xdd}"
            exiftool -P -overwrite_original -EXIF:ImageDescription="${xdd}" "${image}"
        else
            xti=$(exiftool -s3 -Title "${image}")
            if [ ${#xti} -gt 2 ]; then
                echo "  Title -> ${xti}"
                exiftool -P -overwrite_original -EXIF:ImageDescription="${xti}" "${image}"
            else
                xon=$(exiftool -s3 -IPTC:ObjectName "${image}")
                if [ ${#xon} -gt 2 ]; then
                    echo "  ObjectName -> ${xon}"
                    exiftool -P -overwrite_original -EXIF:ImageDescription="${xon}" "${image}"
                fi
            fi
        fi
    fi
    echo "  Removing ObjectName"
    exiftool -P -overwrite_original -IPTC:ObjectName= "${image}"
}

function show_file {
    ls -l "$*"
}


find . -name "*.jpg" -type f -print0 | while IFS= read -r -d '' file; do
    set_file_desc "${file}"
done