#!/usr/bin/env bash

# klevstul :: 24.06

this_file_name=`basename "$0"`
if [ $# -lt 1 ]; then
    echo "error: path to file is missing."
    echo "usage: '$this_file_name [path_to_file]'"
    exit 1
fi

sync_dir_sym=/home/${USER}/syncDir
syncdir_env_var=SYNCDIR_${HOSTNAME}
sync_dir=${!syncdir_env_var} # '!' to use the name and not the value
cwd=$(pwd)

# nifty for debugging:
log_file="/home/poq/syncDir/0_downloads/tp.log"
#echo
#echo "debugging values:"
#echo "input args:    $@"
#for i in "$@"; do echo "                  $i"; done;
#echo "sync_dir_sym:  ${sync_dir_sym}"
#echo "sync_dir:      ${sync_dir}"
#echo "cwd:           ${cwd}"
#echo
#echo "---" >> ${log_file}
#echo "$@" >> ${log_file}

# loop through all files to delete
for input_file in "$@"; do

    # lf file manager sends multiple files as one input parameter, split by with newlines
    # https://superuser.com/questions/284187/bash-iterating-over-lines-in-a-variable
    declare -a theArray

    while read -r line
    do
        theArray+=("$line")
    done <<< "$input_file"

    for line in "${theArray[@]}"
    do
        #echo "$line" >> ${log_file}

        # if input file has no path specified
        if [[ ${input_file} != *"/"* ]]; then
            input_file="${cwd}/${input_file}"
        fi

        # substitute parts of the old path, from using the symlink folder, to the non-symlink folder
        # example:
        #   "/home/poq/syncDir/0_downloads/topBanner.jpg" > "/home/poq/nextcloud/syncDir/0_downloads/topBanner.jpg"
        #
        # please note, if a file outside of the sync directory is tp'ed, then the replacement will not happen.
        # this is great, as trash-put should work normally outside of the sync-dir. and for files residing outside,
        # no replacemant should be done.

        # new_file=${original_string//old_substring/new_substring}
        new_file=${input_file//$sync_dir_sym/$sync_dir}

        if [[ -f "${new_file}" ]] || [[ -d "${new_file}" ]] ; then
            #trash-put "${new_file}"
            #echo "${new_file}"
            echo "${new_file}" >> ${log_file}
        else
            echo "error: unable to delete \"${new_file}\""
        fi

    done

done