/*
    bookmarkfile-clean.c -- Clean obsolete entries from a bookmark file.
    Copyright (C) 2008  Claudio Saavedra <csaavedra@gnome.org>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <glib.h>
#include <gio/gio.h>

static gint
bfile_clean_old_files (GBookmarkFile *bfile)
{
  GError *error;
  GFile *file;
  gchar **uris;
  gchar **uri;
  gint removed = 0;
  uris = g_bookmark_file_get_uris (bfile, NULL);

  for (uri = uris; *uri != NULL; uri++) {
    file = g_file_new_for_uri (*uri);
    if (!g_file_query_exists (file, NULL)) {
      if (!g_bookmark_file_remove_item (bfile, *uri, &error)) {
	g_warning ("Could not remove item for file %s: %s",
		   *uri, error->message);
	g_error_free (error);
	error = NULL;
      } else {
	removed ++;
      }
      g_object_unref (file);
    }
  }
  g_strfreev (uris);

  return removed;
}

int
main (gint argc, gchar **argv)
{
  const gchar *input_file;
  const gchar *output_file;
  GBookmarkFile *bfile;
  GError *error = NULL;
  gint removed;

  if (argc < 2) {
    g_message ("Usage: %s input.xbel [output.xbel]", argv[0]);
    return 1;
  } else if (argc == 2) {
    input_file = output_file = argv[1];
  } else {
    input_file = argv[1];
    output_file = argv[2];
  }

  if (!g_file_test (input_file, G_FILE_TEST_EXISTS)) {
    g_message ("Input file %s doesn't exist", input_file);
    return 1;
  }

  g_type_init ();

  bfile = g_bookmark_file_new ();

  if (!g_bookmark_file_load_from_file (bfile, input_file, &error)) {
    g_message ("Could not load the input file %s: %s",
	       input_file, error->message);
    g_error_free (error);
    g_bookmark_file_free (bfile);
    return 1;
  }

  removed = bfile_clean_old_files (bfile);

  if (!g_bookmark_file_to_file (bfile, output_file, &error)) {
    g_message ("Could not save to output file %s: %s",
	       output_file, error->message);
    g_error_free (error);
    g_bookmark_file_free (bfile);
    return 1;
  }

  g_bookmark_file_free (bfile);

  g_print ("Removed %d obsolete entries from bookmarks file.\n",
	   removed);

  return 0;
}