/* gpasubkeylist.c  -	 The GNU Privacy Assistant
 *	Copyright (C) 2003, Miguel Coca.
 *
 * This file is part of GPA
 *
 * GPA 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.
 *
 * GPA 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 "gpa.h"
#include "gpasubkeylist.h"
#include "gpapastrings.h"

/*
 *  Implement a List showing the subkeys in a given key
 */

typedef enum
{
  SUBKEY_ID,
  SUBKEY_SIZE,
  SUBKEY_ALGO,
  SUBKEY_EXPIRE,
  SUBKEY_CAN_SIGN,
  SUBKEY_CAN_CERTIFY,
  SUBKEY_CAN_ENCRYPT,
  SUBKEY_CAN_AUTHENTICATE,
  SUBKEY_STATUS,
  SUBKEY_N_COLUMNS
} SubkeyListColumn;

/* Create a new subkey list.
 */
GtkWidget * gpa_subkey_list_new (void)
{
  GtkListStore *store;
  GtkWidget *list;
  GtkTreeViewColumn *column;
  GtkCellRenderer *renderer;

  /* Init the model */
  store = gtk_list_store_new (SUBKEY_N_COLUMNS,
			      G_TYPE_STRING,
			      G_TYPE_STRING,
			      G_TYPE_STRING,
			      G_TYPE_STRING,
			      G_TYPE_BOOLEAN,
			      G_TYPE_BOOLEAN,
			      G_TYPE_BOOLEAN,
			      G_TYPE_BOOLEAN,
			      G_TYPE_STRING);

  /* The view */
  list = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
  gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (list), TRUE);

  /* Add the columns */
  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Subkey ID"), renderer,
						     "text", SUBKEY_ID,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Status"), renderer,
						     "text", SUBKEY_STATUS,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Algorithm"),
						     renderer,
						     "text", SUBKEY_ALGO,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Size"), renderer,
						     "text", SUBKEY_SIZE,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Expiry Date"),
						     renderer,
						     "text", SUBKEY_EXPIRE,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_toggle_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Can sign"), renderer,
						     "active", SUBKEY_CAN_SIGN,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_toggle_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Can certify"), 
						     renderer,
						     "active", SUBKEY_CAN_CERTIFY,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_toggle_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Can encrypt"),
						     renderer,
						     "active", SUBKEY_CAN_ENCRYPT,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  renderer = gtk_cell_renderer_toggle_new ();
  column = gtk_tree_view_column_new_with_attributes (_("Can authenticate"),
						     renderer,
						     "active", SUBKEY_CAN_AUTHENTICATE,
						     NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

  return list;
}

const gchar *subkey_status (gpgme_subkey_t subkey)
{
  if (subkey->revoked)
    {
      return _("Revoked");
    }
  else if (subkey->expired)
    {
      return _("Expired");
    }
  else if (subkey->disabled)
    {
      return _("Disabled");
    }
  else if (subkey->invalid)
    {
      return _("Unsigned");
    }
  else
    {
      return _("Valid");
    }
}

/* Set the key whose subkeys should be displayed.
 */
void gpa_subkey_list_set_key (GtkWidget * list, gpgme_key_t key)
{
  GtkListStore *store = GTK_LIST_STORE (gtk_tree_view_get_model
                                        (GTK_TREE_VIEW (list)));
  gpgme_subkey_t subkey;
  gchar *size;

  /* Empty the list */
  gtk_list_store_clear (store);

  if (key)
    {
      /* Add all the subkeys */
      for (subkey = key->subkeys; subkey; subkey = subkey->next)
	{
	  GtkTreeIter iter;

	  /* Append */
	  gtk_list_store_append (store, &iter);
	  size = g_strdup_printf ("%i bits", subkey->length);
          gtk_list_store_set (store, &iter,
			      SUBKEY_ID, subkey->keyid+8,
			      SUBKEY_SIZE, size,
			      SUBKEY_ALGO,
			      gpgme_pubkey_algo_name (subkey->pubkey_algo),
			      SUBKEY_EXPIRE, 
			      gpa_expiry_date_string (subkey->expires),
			      SUBKEY_CAN_SIGN, subkey->can_sign,
			      SUBKEY_CAN_CERTIFY, subkey->can_certify,
			      SUBKEY_CAN_ENCRYPT, subkey->can_encrypt,
			      SUBKEY_CAN_AUTHENTICATE, subkey->can_authenticate,
			      SUBKEY_STATUS, subkey_status (subkey),
			      -1);
	  g_free (size);
	} 
    }    
}