#!/bin/sh

. "$_EXEC/cgilite/cgilite.sh"
. "$_EXEC/acl.sh"
. "$_EXEC/tools.sh"

[ $# = 0 ] && set -- "*"

printf '<div class="macro gallery">'
for glob in "$@"; do
  page="${glob%/*}"
  [ "$page" = "$glob" ] && page=./
  [ ! "$page" ]         && page=/

  acl_read "$(page_abs "${page}")" \
  && attachment_glob "$glob"
done \
| grep -xiE '.*\.jpe?g|.*\.png|.*\.gif' \
| while read attachment; do
  case $attachment in
    */*)
      printf '<a href="%s"><img src="%s"></a>' \
             "${attachment%/*}/[attachment]/${attachment##*/}" "${attachment}"
      ;;
    *)
      printf '<a href="%s"><img src="%s"></a>' \
             "[attachment]/${attachment}" "${attachment}"
      ;;
  esac
done
printf '</div>'