#!/bin/sh
# File: irfanview-common
# Locations: /usr/bin
# Author: bgstack15@gmail.com
# Startdate: 2016-01-29
# Title: Common Elements for Wrapper script for passing files to Irfanview
# Purpose: Converts file paths to a wine format and also handles compressed files
# History: 2016-01-29 Initial quick script written. It used a bunch of sed commands to transform paths to a wine format.
#    2019-02-26 remove /etc/default/irfanview file
#    2019-06-01 fix invocation for single item with space in name. Cannot call multiple objcts with spaces in filename.
#    2019-06-16 remove DEVTTY in favor of just showing on current tty
#    2019-06-16 replace winepath call with wine $WINEPATH_BIN
#    2019-06-16 split into package-arch-specific and common scripts
#    2020-05-20 handle multiple filenames correctly now, including removing \r from winepath output
#    2020-07-14 use echo binary instead of shell builtin
# Usage:
#    called from irfanview (which is symlink to irfanview32 or ifanview64)
#    Do not use this by itself.
# Reference:
#    Ideas for zip expansion and winepath https://github.com/Zykr/IrfanViewLinux/blob/master/irfanview
# Improve:

if ! test "${IV_VALID_CALL:-nothing}" = "do_not_set_this_manually" ;
then
   printf "%s\n" "Do not call this script by itself! Use \"irfanview\". Aborted."
   false
else

IV_VERSION="2020-07-14a"
echobin="$( which echo )"

# Define functions
expandword() {
   # call: expandword "${word}"
   # if file, add it
   # if directory, expand it
   # if tarball, extract it and operate on the directory like normal
   local _word="$( ${echobin} "${@}" | sed -e 'sF\/\/F\/Fg;' )"
   if test -d "${_word}";
   then
      # loop through all files in the directory
      for _newword in "${_word}"/*;
      do
         expandword "${_newword}";
      done
   elif test -f "${_word}";
   then
      # file exists so check if tarball
      case "${_word}" in
         *.tgz|*.tar.gz)
            # extract it and expand the temporary directory
            _tmpdir="$( mktemp -d )"; alltempdirs="${alltempdirs} ${_tmpdir}"
            ${echobin} "tmpdir ${_tmpdir}"
            tar -zx -C "${_tmpdir}" -f "${_word}"
            expandword "${_tmpdir}"
            ;;
         *.zip)
            _tmpdir="$( mktemp -d )"; alltempdirs="${alltempdirs} ${_tmpdir}"
            ${echobin} "tmpdir ${_tmpdir}"
            ${echobin} "7za e -w${_tmpdir} ${_word}"
            ( cd "${_tmpdir}" ; 7za e "${_word}" ; )
            expandword "${_tmpdir}"
            ;;
         *)
            # assume it is readable and add it to list of files to open
            ${echobin} "File:1 ${_word}"
            thisfile="$( getwinepath "${_word}" )"
            ${echobin} "File:2 ${thisfile}"
            irfanfiles="${irfanfiles} '${thisfile}'"
            ;;
      esac
   fi
}

getwinepath() {
   # call: getwinepath "$foo"
   wine winepath.exe -w "${@}"
}

# Define variables
alltempdirs=""

# prepare files
irfanargs=
irfanfiles=

for word in "${@}";
do
   expandword "${word}"
done
irfanfiles="$( ${echobin} "${irfanfiles## }" | sed -r -e 's/\r//g;' )"

# run wine
cd $WINEPREFIX
${echobin} wine "${IV_EXEC_PATH}" ${irfanargs} ${irfanfiles}
eval wine \"${IV_EXEC_PATH}\" "${irfanargs}" "${irfanfiles}" &

wait %1
for thistempdir in ${alltempdirs};
do
   rm -rf "${thistempdir}"
done

fi