#!/bin/sh -u
#
# Bookmark manager.
#	- Cameron Simpson <cs@zip.com.au> 19apr2005
#

: ${BMK_DIR:=$HOME/rc/bmk}
: ${TMPDIR:=/tmp}

cmd=`basename "$0"`
usage="Usage: $cmd [-o out] [-d bmdir] [-t title] [-D desc] [URL]
	-d dir		Base directory for bookmarks.
	-D desc		Descriptive text for bookmark.
	-o out		File path in which to save the bookmark.
	-t title	Title string for bookmark."

url=
title=
outputfile=
desc=

badopts=

while [ $# -gt 0 ]
do
  case $1 in
    -d)	BMK_DIR=$2; export BMK_DIR; shift ;;
    -D)	desc=$2; shift ;;
    -o)	outputfile=$2; shift ;;
    -t)	title=$2; shift ;;
    --)	shift; break ;;
    -?*)echo "$cmd: unrecognised option: $1" >&2
	badopts=1
	;;
    *)	break ;;
  esac
  shift
done

if [ $# -gt 0 ]
then
  url=$1; shift
  [ $# = 0 ] || { echo "$cmd: extra arguments: $*" >&2; badopts=1; }
else
  url=`xclip -o` || exit 1
  echo "$*" >&2
fi

needhost "$HOMEHOST@home" || badopts=1

[ $badopts ] && { echo "$usage" >&2; exit 2; }

if [ -n "$url" ]
then
  date=`822date` || exit 1

  echo "Date: $date"
  echo "URL: $url"
  if [ -n "$title" ]
  then  echo "Title: $title"
  else  title=`readline 'Title: '` || exit 1
        [ -n "$title" ] || { echo "$cmd: title may not be empty!" >&2; exit 1; }
  fi
  titlebase=`printf "%s" "$title" | tr ' \011\012/"' '...-'`
  if [ -n "$desc" ]
  then  printf "%s\n" "$desc"
  else  : || [ ! -t 0 ] || desc=`readdottext` || exit 1
  fi

  if [ -n "$outputfile" ]
  then
    case "$outputfile" in /*) ;; *) outputfile=$BMK_DIR/$outputfile ;; esac
    case "$outputfile" in
      */ | */. )	outputfile=`expr "x$outputfile" : 'x\(.*\)/[^/]*$'`/$titlebase.bmk ;;
      *.bmk)		;;
      *)		outputfile=$outputfile.bmk ;;
    esac
    titlefile=$outputfile
    [ -s "$outputfile" ] && { echo "$cmd: $outputfile: already exists, skipping $url" >&2
			      exit 1
			    }
    od=`dirname "$outputfile"` || exit 1
    needdir "$od" || exit 1
    echo "-> $outputfile"
  else
    tmpdir=`mkdirn "$TMPDIR/$cmd"` || exit 1
    trap 'rm -rf "$tmpdir"' 0
    titlefile=$tmpdir/$titlebase.bmk || exit 1
  fi

  { echo "Date: $date"
    echo "URL: $url"
    echo "Subject: $title"
    echo
    printf "%s\n" "$desc"
  } >"$titlefile"

  [ -n "$outputfile" ] && exit 0

  exec env SAVEDIR=$BMK_DIR APPHELPER_LASTVALUE=bmk_savedir apphelper "$titlefile" -n -i text/x-cs-bmk
fi