/*
 * Copyright (C) 2008 Collabora 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Authors: Pierre-Luc Beaudoin <pierre-luc@pierlux.com>
 */

#include <config.h>

#include <sys/stat.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include <champlain/champlain.h>
#include <champlain-gtk/champlain-gtk.h>
#include <clutter-gtk/gtk-clutter-embed.h>

#include <libempathy/empathy-contact.h>
#include <libempathy/empathy-utils.h>
#include <libempathy/empathy-chatroom-manager.h>
#include <libempathy/empathy-chatroom.h>
#include <libempathy/empathy-contact-list.h>
#include <libempathy/empathy-contact-manager.h>
#include <libempathy/empathy-contact-factory.h>
#include <libempathy/empathy-status-presets.h>

#include <libempathy-gtk/empathy-contact-dialogs.h>
#include <libempathy-gtk/empathy-contact-list-store.h>
#include <libempathy-gtk/empathy-contact-list-view.h>
#include <libempathy-gtk/empathy-presence-chooser.h>
#include <libempathy-gtk/empathy-ui-utils.h>
#include <libempathy-gtk/empathy-geometry.h>
#include <libempathy-gtk/empathy-conf.h>
#include <libempathy-gtk/empathy-log-window.h>
#include <libempathy-gtk/empathy-new-message-dialog.h>
#include <libempathy-gtk/empathy-gtk-enum-types.h>

#include "empathy-accounts-dialog.h"
#include "empathy-map-view.h"
#include "ephy-spinner.h"
#include "empathy-preferences.h"
#include "empathy-about-dialog.h"
#include "empathy-new-chatroom-dialog.h"
#include "empathy-chatrooms-window.h"
#include "empathy-event-manager.h"

#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
#include <libempathy/empathy-debug.h>

typedef struct {
  EmpathyContactListStore *list_store;

  GtkWidget *window;
  GtkWidget *zoom_in;
  GtkWidget *zoom_out;
  ChamplainView *map_view;
  ChamplainLayer *layer;

} EmpathyMapView;

static void map_view_destroy_cb (GtkWidget *widget,
    EmpathyMapView *window);
static void map_view_update_status (EmpathyMapView *window);
static gboolean map_view_contacts_foreach (GtkTreeModel *model,
    GtkTreePath *path, GtkTreeIter *iter, gpointer user_data);
static void map_view_zoom_in_cb (GtkWidget *widget, EmpathyMapView *window);
static void map_view_zoom_out_cb (GtkWidget *widget, EmpathyMapView *window);

// FIXME: Make it so that only one window can be shown
GtkWidget *
empathy_map_view_show (EmpathyContactListStore *list_store)
{
  static EmpathyMapView *window = NULL;
  GtkBuilder *gui;
  GtkWidget *sw;
  GtkWidget *embed;
  gchar *filename;
  GtkTreeModel *model;

  /*
  if (window)
    {
      empathy_window_present (GTK_WINDOW (window->window), TRUE);
      return window->window;
    }
  */

  window = g_new0 (EmpathyMapView, 1);

  /* Set up interface */
  filename = empathy_file_lookup ("empathy-map-view.ui", "src");
  gui = empathy_builder_get_file (filename, "map_view",
      &window->window, "zoom_in", &window->zoom_in, "zoom_out",
      &window->zoom_out, "map_scrolledwindow", &sw, NULL);
  g_free (filename);

  empathy_builder_connect (gui, window, "map_view", "destroy",
      map_view_destroy_cb, "zoom_in", "clicked", map_view_zoom_in_cb,
      "zoom_out", "clicked", map_view_zoom_out_cb, NULL);

  g_object_unref (gui);

  window->list_store = list_store;

  /* Set up map view */
  window->map_view = CHAMPLAIN_VIEW (champlain_view_new (
      CHAMPLAIN_VIEW_MODE_KINETIC));
  g_object_set (G_OBJECT (window->map_view), "zoom-level", 1, NULL);
  champlain_view_center_on (window->map_view, 36, 0);

  embed = champlain_view_embed_new (window->map_view);
  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (sw),
     GTK_WIDGET (embed));
  gtk_widget_show_all (embed);

  window->layer = champlain_layer_new ();
  champlain_view_add_layer (CHAMPLAIN_VIEW (window->map_view), window->layer);

  /* Set up contact list. */
  model = GTK_TREE_MODEL (window->list_store);
  gtk_tree_model_foreach (model, map_view_contacts_foreach, window);

  map_view_update_status (window);

  empathy_window_present (GTK_WINDOW (window->window), TRUE);
  return window->window;
}


static void
map_view_destroy_cb (GtkWidget *widget,
                     EmpathyMapView *window)
{
  g_free (window);
}


static void
map_view_update_status (EmpathyMapView *window)
{

}


static gboolean
map_view_contacts_foreach (GtkTreeModel *model,
                           GtkTreePath *path,
                           GtkTreeIter *iter,
                           gpointer user_data)
{
  EmpathyMapView *window = (EmpathyMapView*) user_data;
  EmpathyContact *contact;
  ClutterActor *marker;
  ClutterActor *texture;
  GdkPixbuf *avatar;

  gtk_tree_model_get (model, iter, EMPATHY_CONTACT_LIST_STORE_COL_CONTACT,
     &contact, -1);
  if (!contact)
    return FALSE;

  marker = champlain_marker_new ();
  texture = clutter_texture_new ();

  avatar = empathy_pixbuf_avatar_from_contact_scaled (contact, 32, 32);

  if (!avatar)
    goto cleanup;

  gtk_clutter_texture_set_from_pixbuf (CLUTTER_TEXTURE (texture), avatar);
  clutter_actor_set_position (CLUTTER_ACTOR (texture), 5, 5);

  clutter_container_add (CLUTTER_CONTAINER (marker), texture, NULL);

  GRand* rand = g_rand_new ();
  gdouble lon = g_rand_double_range (rand, -170.0, 170.0);
  gdouble lat = g_rand_double_range (rand, -70.0, 70.0);
  g_print("%f, %f\n", lat, lon);
  champlain_marker_set_position (CHAMPLAIN_MARKER (marker), lat, lon);
  clutter_actor_set_anchor_point (marker, 25, 50);

  clutter_container_add (CLUTTER_CONTAINER (window->layer), marker, NULL);

cleanup:
  g_object_unref (contact);
  return FALSE;
}


static void
map_view_zoom_in_cb (GtkWidget *widget,
                     EmpathyMapView *window)
{
  champlain_view_zoom_in (window->map_view);
}


static void
map_view_zoom_out_cb (GtkWidget *widget,
                      EmpathyMapView *window)
{
  champlain_view_zoom_out (window->map_view);
}