/*
     This file is part of GNUnet
     (C) 2011, 2012 Christian Grothoff (and other contributing authors)

     GNUnet 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, or (at your
     option) any later version.

     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
*/

/**
 * @file src/fs/gnunet-fs-gtk-main_window_search.c
 * @author Christian Grothoff
 * @brief event handlers for the search function in the main window
 */
#include "gnunet-fs-gtk-common.h"
#include "gnunet-fs-gtk.h"
#include <gdk/gdk.h>
#include "gnunet-fs-gtk-anonymity_spin_buttons.h"


void
main_window_search_button_clicked_cb (GtkButton * button, gpointer user_data)
{
  GtkBuilder *builder;
  GtkTreePath *namespace_treepath = NULL;
  GtkTreeModel *namespace_model = NULL;
  GtkComboBox *mime_combo;
  GtkTreeModel *mime_model;
  GtkEntry *query_entry;
  guint anonymity_level;
  GtkTreeRowReference *ref = NULL;
  GtkTreeIter iter;
  GtkToggleButton *toggle_button;
  const char *entry_keywords;
  gchar *keywords;
  gchar *mime_keyword;

  GNUNET_HashCode *nsid = NULL;
  struct GNUNET_FS_Uri *uri;
  char *emsg;

  builder = GTK_BUILDER (user_data);

  toggle_button =
      GTK_TOGGLE_BUTTON (gtk_builder_get_object
                         (builder,
                          "main_window_search_namespace_dropdown_button"));

  if (!GNUNET_GTK_get_selected_anonymity_level
      (builder, "main_window_search_anonymity_combobox", &anonymity_level))
    return;

  mime_combo =
      GTK_COMBO_BOX (GNUNET_FS_GTK_get_main_window_object
                     ("main_window_search_mime_combobox"));
  mime_model = gtk_combo_box_get_model (mime_combo);
  mime_keyword = NULL;
  if (mime_model && gtk_combo_box_get_active_iter (mime_combo, &iter))
    gtk_tree_model_get (mime_model, &iter, 0, &mime_keyword, -1);
  if (strcmp (mime_keyword, " ") == 0)
  {
    g_free (mime_keyword);
    mime_keyword = NULL;
  }

  ref = g_object_get_data (G_OBJECT (toggle_button), "selected-row-reference");
  if (ref)
  {
    namespace_model = gtk_tree_row_reference_get_model (ref);
    namespace_treepath = gtk_tree_row_reference_get_path (ref);
    if ((NULL != namespace_treepath) &&
        (TRUE ==
         gtk_tree_model_get_iter (namespace_model, &iter, namespace_treepath)))
      gtk_tree_model_get (namespace_model, &iter, 1, &nsid, -1);
  }
  query_entry =
      GTK_ENTRY (gtk_builder_get_object (builder, "main_window_search_entry"));
  entry_keywords = gtk_entry_get_text (query_entry);
  keywords =
      g_strdup_printf ("%s %s%s", entry_keywords, mime_keyword ? "+" : "",
                       mime_keyword ? mime_keyword : "");
  g_free (mime_keyword);
  if (nsid != NULL)
  {
    uri = GNUNET_FS_uri_sks_create_from_nsid (nsid, keywords);
    GNUNET_assert (uri != NULL);
  }
  else
  {
    emsg = NULL;
    uri = GNUNET_FS_uri_ksk_create (keywords, &emsg);
    if (uri == NULL)
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Invalid keyword string `%s': %s"),
                  keywords, emsg);
      GNUNET_free_non_null (emsg);
      return;
    }
  }
  GNUNET_FS_search_start (GNUNET_FS_GTK_get_fs_handle (), uri, anonymity_level,
                          GNUNET_FS_SEARCH_OPTION_NONE, NULL);

  g_free (keywords);
  GNUNET_FS_uri_destroy (uri);
}


gboolean
main_window_search_entry_key_press_event_cb (GtkWidget * widget,
                                             GdkEventKey * event,
                                             gpointer user_data)
{
  GtkBuilder *builder;

  builder = GTK_BUILDER (user_data);

  if (event->keyval == GDK_KEY_Return)
  {
    GtkWidget *find = GTK_WIDGET (gtk_builder_get_object (builder,
                                                          "main_window_search_button"));

    main_window_search_button_clicked_cb (GTK_BUTTON (find), user_data);
    return TRUE;
  }
  return FALSE;
}