/* 
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   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, 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.  


   ### File Specific:
   main-programmer: Benjamin Grauer

*/

#include "orxonox_gui_update.h"
#include <iostream>
#include <string>

#include "orxonox_gui.h"
#include <stdio.h>
#ifdef HAVE_CURL
#include <curl/curl.h>
#include <curl/types.h>
#include <curl/easy.h>
#endif /* HAVE_CURL */
using namespace std;

/**
   \brief Creates an Audio-Frame
*/
OrxonoxGuiUpdate::OrxonoxGuiUpdate ()
{
  this->updateFrame = new Frame ("Update-Options:");
  this->updateFrame->setGroupName ("update");
  this->updateBox = new Box ('v');

  // the Button for autoUpdating
  this->autoUpdate = new CheckButton ("auto update");
  this->updateBox->fill(this->autoUpdate);
  this->autoUpdate->setFlagName ("update", "u", 0);
  this->autoUpdate->saveable = true;

  this->updateSourceWindowCreate ();
  this->updateBox->fill(this->updateSourceWindowGetButton());

  this->updateDataWindowCreate ();
  this->updateBox->fill(this->updateDataWindowGetButton());

  this->updateFrame->fill(this->updateBox);
}

/**
   \brief Return the Frame
   \return Returns the Audio-frame
*/
Widget* OrxonoxGuiUpdate::getWidget ()
{
  return updateFrame;
}

void OrxonoxGuiUpdate::updateDataWindowCreate (void)
{
  updateDataWindow = new Window ("update orxonox::Data");   
  updateDataBox = new Box ('v');

  // the close-Button of the Update Window.
  //  updateWindowClose = new Button ("close");
#ifdef HAVE_GTK2 
  //  updateWindowClose->connectSignal("button_press_event", updateWindow, Window::windowClose);
#endif /* HAVE_GTK2 */
  //  updateWindowBox->fill(updateWindowClose);

  updateDataBar = new ProgressBar ();
  updateDataBox->fill(updateDataBar);

  updateDataBegin = new Button ("begin Download");
  updateDataBegin->connectSignal ("button_press_event", updateDataBar, updateDataFunc);
  updateDataBox->fill(updateDataBegin);

  updateDataWindow->fill (updateDataBox);

  updateDataWindowButton = new Button ("update orxonox::Data");
#ifdef HAVE_GTK2 
  updateDataWindowButton->connectSignal("button_press_event", updateDataWindow, Window::windowOpen);
  updateDataWindow->connectSignal("destroy", updateDataWindow, Window::windowClose);
  updateDataWindow->connectSignal("delete_event", updateDataWindow, Window::windowClose);
#endif /* HAVE_GTK2 */

}

/**
   \returns A Pointer to the Button of the UpdaterWindow
*/
Button* OrxonoxGuiUpdate::updateDataWindowGetButton(void)
{
  return updateDataWindowButton;
}

void OrxonoxGuiUpdate::updateSourceWindowCreate (void)
{
  // the button, that opens this Window.
  updateSourceWindowButton = new Button ("update orxonox::Source");

  // the Window itself
  updateSourceWindow = new Window ("update orxonox::Source");

  updateSourceBox = new Box ();

  updateSourceBar = new ProgressBar ();
  updateSourceBox->fill(updateSourceBar);
  test = new Button ("increment");

#ifdef HAVE_GTK2 
  test->connectSignal("button_press_event", updateSourceBar, updateSourceFunc);
#endif /* HAVE_GTK2 */

  updateSourceBox->fill(test);
  updateSourceWindow->fill(updateSourceBox); 
#ifdef HAVE_GTK2 
  updateSourceWindowButton->connectSignal("button_press_event", updateSourceWindow, Window::windowOpen);
  updateSourceWindow->connectSignal("destroy", updateSourceWindow, Window::windowClose);
  updateSourceWindow->connectSignal("delete_event", updateSourceWindow, Window::windowClose);
#endif /* HAVE_GTK2 */

}

Button* OrxonoxGuiUpdate::updateSourceWindowGetButton(void)
{
  return updateSourceWindowButton;
}


#ifdef HAVE_GTK2 
/**
   \brief updates the Data of orxonox.
   \param w The widget, that executed this Function.
   \param event The event that trigered this Function.
   \param button The Button, that triggered this event.
*/
gint OrxonoxGuiUpdate::updateDataFunc(GtkWidget* w, GdkEventKey* event, void* bar)
{
  FileInfo* info = new FileInfo;

  info->fileName = "03%20orxonox%203'.mp3";
  info->webRoot  = "http://www.orxonox.ethz.ch/files/";
  info->localRoot = "./";
  info->Bar = (ProgressBar*)bar;
  PRINTF(3)("Preparing to download file %s.\n", info->fileName);
  download(info);
}

/**
   \brief updates the source of orxonox.
   \param w The widget, that executed this Function.
   \param event The event that trigered this Function.
   \param button The Button, that triggered this event.
*/
gint OrxonoxGuiUpdate::updateSourceFunc(GtkWidget* w, GdkEventKey* event, void* bar)
{
  ProgressBar* tmpBar = static_cast<ProgressBar*>(bar);
  tmpBar->setTotalSize(20);
  tmpBar->setProgress(tmpBar->getProgress()+1);
}
#endif /* HAVE_GTK2 */

#ifdef HAVE_CURL
size_t OrxonoxGuiUpdate::curlWriteFunc (void* ptr, size_t size, size_t nmemb, FILE* stream)
{
  return fwrite(ptr, size, nmemb, stream);
}

size_t OrxonoxGuiUpdate::curlReadFunc (void* ptr, size_t size, size_t nmemb, FILE* stream)
{
  return fread(ptr, size, nmemb, stream);
}


int OrxonoxGuiUpdate::curlProgressFunc (ProgressBar* Bar, double totalSize, double progress, double upTotal, double upProgress)
{
  Bar->setProgress(progress);
  Bar->setTotalSize(totalSize);
  return 0;
}


void* OrxonoxGuiUpdate::download (void* fileInfo)
{
  
  PRINTF(3)("Downloading.\n");
  FileInfo* info = (FileInfo*)fileInfo;
  CURL* curl;
  CURLcode res;
  FILE* outfile;
  curl = curl_easy_init();
  char* fileOnNet = new char [strlen(info->webRoot)+strlen(info->fileName)+1];
  strcpy (fileOnNet, info->webRoot);
  strcat (fileOnNet, info->fileName);
  char* fileOnDisk = new char [strlen(info->localRoot)+strlen(info->fileName)+1];
  strcpy (fileOnDisk, info->localRoot);
  strcat (fileOnDisk, info->fileName);

  if(curl)
    {
      outfile = fopen(fileOnDisk, "w");
      
      curl_easy_setopt(curl, CURLOPT_URL, fileOnNet);
      curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
      curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curlWriteFunc);
      curl_easy_setopt(curl, CURLOPT_READFUNCTION, curlReadFunc);
      curl_easy_setopt(curl, CURLOPT_NOPROGRESS, FALSE);
      curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, curlProgressFunc);
      curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, info->Bar);
      
      res = curl_easy_perform(curl);
      
      fclose(outfile);
      curl_easy_cleanup(curl);
    }
  return NULL;
}

#ifdef HAVE_GTK2
gint OrxonoxGuiUpdate::cancelDownload(GtkWidget* w, GdkEventKey* event, void* bar)
{
}
#endif /* HAVE_GTK2 */

#endif /* HAVE_CURL */


/*
 int main(int argc, char **argv)
 {
   GtkWidget *Window, *Frame, *Frame2;
   GtkAdjustment *adj;
   
   // Init thread 
   g_thread_init(NULL);
   gtk_init(&argc, &argv);
   Window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   Frame = gtk_frame_new(NULL);
   gtk_frame_set_shadow_type(GTK_FRAME(Frame), GTK_SHADOW_OUT);
   gtk_container_add(GTK_CONTAINER(Window), Frame);
   Frame2 = gtk_frame_new(NULL);
   gtk_frame_set_shadow_type(GTK_FRAME(Frame2), GTK_SHADOW_IN);
   gtk_container_add(GTK_CONTAINER(Frame), Frame2);
   gtk_container_set_border_width(GTK_CONTAINER(Frame2), 5);
   adj = (GtkAdjustment*)gtk_adjustment_new(0, 0, 100, 0, 0, 0);
   Bar = gtk_progress_bar_new_with_adjustment(adj);
   gtk_container_add(GTK_CONTAINER(Frame2), Bar);
   gtk_widget_show_all(Window);
 
   if (!g_thread_create(&my_thread, argv[1], FALSE, NULL) != 0)
     g_warning("can't create the thread");
 
 
   gdk_threads_enter();
   gtk_main();
  gdk_threads_leave();
   return 0;
 }





size_t writeFunc(void *ptr, size_t size, size_t nmemb, FILE *stream)
 {
   return fwrite(ptr, size, nmemb, stream);
 }
 
 size_t my_read_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
 {
   return fread(ptr, size, nmemb, stream);
 }
 
 int my_progress_func(GtkWidget *Bar,
                      double t, // dltotal 
                      double d, // dlnow 
                      double ultotal,
                      double ulnow)
 {
   gdk_threads_enter();
   gtk_progress_set_value(GTK_PROGRESS(Bar), d*100.0/t);
   gdk_threads_leave();
   return 0;
 }

 void *my_thread(void *ptr)
 {
   CURL *curl;
   CURLcode res;
   FILE *outfile;
   gchar *url = ptr;
 
   curl = curl_easy_init();
   if(curl)
   {
     outfile = fopen("test.curl", "w");
 
     curl_easy_setopt(curl, CURLOPT_URL, url);
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
     curl_easy_setopt(curl, CURLOPT_READFUNCTION, my_read_func);
     curl_easy_setopt(curl, CURLOPT_NOPROGRESS, FALSE);
     curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
     curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, Bar);
 
     res = curl_easy_perform(curl);
 
     fclose(outfile);
     curl_easy_cleanup(curl);
   }
 
   return NULL;
 }
 
*/