/*
 * Copyright (C) 2007 OpenedHand Ltd
 *
 * 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., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <config.h>
#include <gtk/gtk.h>
#include <libebook/e-book.h>

#include <moko-stock.h>

#include "hito-contact-store.h"
#include "hito-contact-model-filter.h"
#include "hito-contact-view.h"
#include "hito-contact-preview.h"
#include "hito-group-store.h"
#include "hito-group-combo.h"
#include "hito-all-group.h"
#include "hito-category-group.h"
#include "hito-no-category-group.h"
#include "hito-separator-group.h"

#include "openmoko-contacts-list.h"
#include "openmoko-contacts-details.h"
#include "openmoko-contacts-history.h"
#include "openmoko-contacts-groups.h"

static void notebook_switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page, guint page_num, ContactsData *data);

static void
notebook_switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page, guint page_num, ContactsData *data)
{
  if (data->dirty)
  {
    GList *list;

    /* remove contact if empty */
    list = e_vcard_get_attributes (E_VCARD (data->contact));
    /* an EVCard always has at least three attributes (UID, rev and version) */
    if (!list || g_list_length (list) < 4)
    {
      e_book_async_remove_contact (data->book, data->contact, NULL, NULL);
      return;
    }

    e_book_async_commit_contact (data->book, data->contact, NULL, NULL);
    data->dirty = FALSE;
  }
}


static void
window_delete_event_cb (GtkWidget *widget, GdkEvent *event, ContactsData *data)
{

  free_contacts_details_page (data);
  gtk_main_quit ();

}

static void
make_contact_view (ContactsData *data)
{

  moko_stock_register ();

  data->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_widget_set_size_request (data->window, 400, 600);
  g_signal_connect (data->window, "delete-event", G_CALLBACK (window_delete_event_cb), data);
  gtk_window_set_title (GTK_WINDOW (data->window), "Contacts");


  data->notebook = gtk_notebook_new ();
  gtk_notebook_set_tab_pos (GTK_NOTEBOOK (data->notebook), GTK_POS_BOTTOM);
  gtk_container_add (GTK_CONTAINER (data->window), data->notebook);
  g_signal_connect (data->notebook, "switch-page", G_CALLBACK (notebook_switch_page_cb), data);

  /* create notebook pages */
  create_contacts_list_page (data);
  create_contacts_details_page (data);
  create_contacts_history_page (data);
  create_contacts_groups_page (data);

  gtk_widget_show_all (data->window);
}

void
contacts_set_current_contact (ContactsData *data, EContact *contact)
{
  GtkWidget *w;

  /* ensure the edit, history and groups tabs are only visible when usable */
  w = gtk_notebook_get_nth_page (GTK_NOTEBOOK (data->notebook), 1);
  g_object_set (G_OBJECT (w), "visible", (contact != NULL), NULL);
  w = gtk_notebook_get_nth_page (GTK_NOTEBOOK (data->notebook), 2);
  g_object_set (G_OBJECT (w), "visible", (contact != NULL), NULL);
  w = gtk_notebook_get_nth_page (GTK_NOTEBOOK (data->notebook), 3);
  g_object_set (G_OBJECT (w), "visible", (contact != NULL), NULL);


  if (contact == data->contact)
    return;

  /* check if contact needs committing */
  if (data->contact && data->dirty)
  {
    GList *list;

    /* remove contact if empty */
    list = e_vcard_get_attributes (E_VCARD (data->contact));
    /* an EVCard always has at least 3 attributes */
    if (g_list_length (list) < 4)
      e_book_async_remove_contact (data->book, data->contact, NULL, NULL);
    else
      e_book_async_commit_contact (data->book, data->contact, NULL, NULL);
  }

  /* unref the old contact */
  if (data->contact)
    g_object_unref (data->contact);

  data->contact = contact;

  /* ref the contact to prevent it disappearing if committed */
  if (contact)
  {
    g_object_ref (contact); 
  }

  contacts_details_page_update (data);
  contacts_history_page_update (data);
  contacts_groups_page_update (data);

  data->dirty = FALSE;

}

void
contacts_notebook_add_page_with_icon (GtkWidget *notebook, GtkWidget *child,
				   const gchar *icon_name)
{
  int padding = 6;
	GtkWidget *icon = gtk_image_new_from_icon_name (icon_name,
		GTK_ICON_SIZE_LARGE_TOOLBAR);
	GtkWidget *align = gtk_alignment_new (0.5, 0.5, 1, 1);

	gtk_alignment_set_padding (GTK_ALIGNMENT (align), padding,
		padding, padding, padding);
	gtk_container_add (GTK_CONTAINER (align), icon);
	gtk_widget_show_all (align);
	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), child, align);
	gtk_container_child_set (GTK_CONTAINER (notebook), child,
		"tab-expand", TRUE, NULL);
}


static void
display_error (GError *err, gchar *summary)
{
  GtkWidget *dlg;

  dlg = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
      "%s\n\n%s", summary, err->message);
  gtk_dialog_run (GTK_DIALOG (dlg));
  gtk_widget_destroy (dlg);
}

int
main (int argc, char **argv)
{
  EBookQuery *query;
  ContactsData *data;
  GError *err = NULL;

  data = g_new0 (ContactsData, 1);

  g_thread_init (NULL);
  gtk_init (&argc, &argv);

  data->book = e_book_new_system_addressbook (&err);
  if (err)
  {
    display_error (err, "Could not access system address book");
    return 1;
  }

  e_book_open (data->book, FALSE, &err);
  if (err)
  {
    display_error (err, "Could not open the address book");
    return 1;
  }

  query = e_book_query_any_field_contains (NULL);

  e_book_get_book_view (data->book, query, NULL, 0, &data->view, &err);
  if (err)
  {
    display_error (err, "Could not query the address book");
    return 1;
  }
  e_book_query_unref (query);
  
  make_contact_view (data);
  
  e_book_view_start (data->view);

  gtk_main ();

  e_book_view_stop (data->view);
  g_object_unref (data->book);

  g_free (data);
  
  return 0;
}