/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            netcom.cc
 *
 *  Mon Aug 18 09:33:26 CEST 2008
 *  Copyright 2008 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Pracro.
 *
 *  Pracro 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.
 *
 *  Pracro 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 Pracro; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "netcom.h"

#include <QApplication>
#include <QByteArray>

#include "widgets/widget.h"

NetCom::NetCom(QString host, quint16 port, QString user, QString cpr)
{
  this->user = user;
  this->cpr = cpr;
  socket.connectToHost(host, port);
  connect(&socket, SIGNAL(readyRead()), this, SLOT(readyRead()));
  socket.waitForConnected();
  transmitting = false;
}

NetCom::~NetCom()
{
  socket.disconnectFromHost();
}

QDomDocument NetCom::send(QString templ, QString macro, bool lockgui)
{
  printf("Socket state: %d\n", socket.state());
  if(socket.state() != 3) printf("Socket state not connected: %s\n", socket.errorString().toStdString().c_str());

  if(lockgui && qApp->activeWindow()) qApp->activeWindow()->setEnabled(false);
  if(lockgui) QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));

  QDomDocument doc;

  QDomProcessingInstruction header = doc.createProcessingInstruction("xml", "version='1.0' encoding='UTF-8'");
  doc.appendChild(header); 

  QDomElement pracro_elem = doc.createElement("pracro");
  pracro_elem.setAttribute("version", "1.0");
  pracro_elem.setAttribute("cpr", cpr);
  pracro_elem.setAttribute("user", user);
  doc.appendChild(pracro_elem);

  QDomElement request_elem = doc.createElement("request");
  request_elem.setAttribute("template", templ);
  if(macro != "") request_elem.setAttribute("macro", macro);
  pracro_elem.appendChild(request_elem);
 
  printf("\nSending request:\n%s", doc.toString().toStdString().c_str());

  socket.write(doc.toByteArray());
  //  socket.waitForReadyRead();

  do {
    qApp->processEvents(QEventLoop::WaitForMoreEvents);
  } while(!res_doc.setContent(buffer));

  buffer = "";

  QDomElement elem = res_doc.documentElement();

  printf("\nRecieved request:\n%s", res_doc.toString().toStdString().c_str());

  if(lockgui) QApplication::restoreOverrideCursor();
  if(lockgui && qApp->activeWindow()) qApp->activeWindow()->setEnabled(true);

  return res_doc;
}

void NetCom::readyRead()
{
  buffer.append(socket.readAll());
}

void NetCom::send(QVector< Widget* > widgets, QString templ, QString macro, QString version)
{
  printf("Socket state: %d\n", socket.state());
  if(socket.state() != 3) printf("Socket state not connected: %s\n", socket.errorString().toStdString().c_str());

  //  if(qApp->activeWindow()) qApp->activeWindow()->setEnabled(false); // Moved down!

  QDomDocument doc;

  QDomProcessingInstruction header = doc.createProcessingInstruction("xml", "version='1.0' encoding='UTF-8'");
  doc.appendChild(header); 

  QDomElement pracro_elem = doc.createElement("pracro");
  pracro_elem.setAttribute("version", "1.0");
  pracro_elem.setAttribute("cpr", cpr);
  pracro_elem.setAttribute("user", user);
  doc.appendChild(pracro_elem);

  QDomElement commit_elem = doc.createElement("commit");
  commit_elem.setAttribute("template", templ);
  commit_elem.setAttribute("macro", macro);
  commit_elem.setAttribute("version", version);
  pracro_elem.appendChild(commit_elem);

  // Iterate the different entries, and append their results to the commit string
  QVector< Widget* >::iterator i = widgets.begin();
  while (i != widgets.end()) {
    Widget* w = *i;
    
    if(!w->isDisabled() && w->getName() != "") {
      QDomElement field_elem = doc.createElement("field");
      field_elem.setAttribute("name", w->getName());
      field_elem.setAttribute("value", w->getValue());
      commit_elem.appendChild(field_elem);
    }

    i++;
  }

  if(qApp->activeWindow()) qApp->activeWindow()->setEnabled(false);

  printf("\nSending commit:\n%s", doc.toString().toStdString().c_str());

  socket.write(doc.toByteArray());
  //  socket.waitForReadyRead();

  //
  // Wait for the (hopefully) empty answer.
  //
  do {
    qApp->processEvents(QEventLoop::WaitForMoreEvents);
  } while(!res_doc.setContent(buffer));

  buffer = "";

  //QDomElement elem = res_doc.documentElement();

  printf("\nRecieved commit:\n%s", res_doc.toString().toStdString().c_str());

  QApplication::restoreOverrideCursor();
  if(qApp->activeWindow()) qApp->activeWindow()->setEnabled(true);
}