#!/bin/sh

# Copyright 2022 - 2023 Paul Hänsch
# 
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
# 
# THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
# IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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

tags='' dir='' depth='' glob_system_pages=false

set -- "$@" --
while [ $# -gt 0 ]; do case $1 in
  --system) glob_system_pages=true; shift 1;;
  --depth)  depth="$2" shift 2;;
  \#*) tags="${tags}${tags:+ }${1###}"; shift 1;;
  --) shift 1; break;;
  *) if [ ! "$dir" ]; then
      dir="$1"
      set -- "$@" "$1"; shift 1;
    elif [ ! "$depth" ]; then
      depth="$1"; shift 1;
    else
      set -- "$@" "$1"; shift 1;
    fi;;
esac; done

[ "$*" ] || set -- "*"
[ "$depth" -ge 0 -o "$depth" -le 0 ] 2>&- || depth=0

printf '<ul class="macro pagelist">\n'
  for dir in "$@"; do
    page_glob "$dir" "$depth"
  done \
  | sort -u \
  | while read -r page; do
    pagedir="$(page_abs "$page")"
    [ -f "$_DATA/pages/${pagedir}/#page.md" -o \
      -f "$_EXEC/pages/${pagedir}/#page.md" ] \
    && acl_read "$pagedir" \
    && has_tags "$pagedir" $tags \
    && printf '<li><a href="%s">%s</a></li>' "$(HTML "$page")" "$(HTML "$page")"
  done
printf '</ul>\n'