/*
 * Bittorrent Client using Qt4 and libtorrent.
 * Copyright (C) 2006  Christophe Dumez
 *
 * 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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 *
 * Contact : chris@qbittorrent.org
 */

#include <QTimer>
#include <QVBoxLayout>
#include "propertieswidget.h"
#include "TransferListWidget.h"
#include "torrentPersistentData.h"
#include "realprogressbar.h"
#include "realprogressbarthread.h"

PropertiesWidget::PropertiesWidget(QWidget *parent, TransferListWidget *transferList): QWidget(parent), transferList(transferList) {
  setupUi(this);
  connect(transferList, SIGNAL(currentTorrentChanged(QTorrentHandle&)), this, SLOT(loadTorrentInfos(QTorrentHandle &)));
  // Downloaded pieces progress bar
  progressBar = new RealProgressBar(this);
  progressBar->setForegroundColor(Qt::blue);
  progressBarVbox = new QVBoxLayout(RealProgressBox);
  progressBarVbox->addWidget(progressBar);
  progressBarUpdater = 0;
  // Dynamic data refresher
  refreshTimer = new QTimer(this);
  connect(refreshTimer, SIGNAL(timeout()), this, SLOT(loadDynamicData()));
  refreshTimer->start(10000); // 10sec
}

PropertiesWidget::~PropertiesWidget() {
  delete refreshTimer;
  if(progressBarUpdater)
    delete progressBarUpdater;
  delete progressBar;
  delete progressBarVbox;
}

void PropertiesWidget::loadTorrentInfos(QTorrentHandle &_h) {
  h = _h;
  if(!h.is_valid()) return;
  if(progressBarUpdater)
    delete progressBarUpdater;
    progressBarUpdater = 0;
  try {
    // Save path
    save_path->setText(TorrentPersistentData::getSavePath(h.hash()));
    // Author
    QString author = h.creator().trimmed();
    if(author.isEmpty())
      author = tr("Unknown");
    creator->setText(author);
    // Hash
    hash_lbl->setText(h.hash());
    // Comment
    comment_lbl->setText(h.comment());
    // downloaded pieces updater
    progressBarUpdater = new RealProgressBarThread(progressBar, h);
    progressBarUpdater->start();
  } catch(invalid_handle e) {

  }
  // Load dynamic data
  loadDynamicData();
}

void PropertiesWidget::loadDynamicData() {
  if(!h.is_valid()) return;
  try {
    // Session infos
    failed->setText(misc::friendlyUnit(h.total_failed_bytes()));
    upTotal->setText(misc::friendlyUnit(h.total_payload_upload()));
    dlTotal->setText(misc::friendlyUnit(h.total_payload_download()));
    // Update ratio info
    float ratio;
    if(h.total_payload_download() == 0){
      if(h.total_payload_upload() == 0)
        ratio = 1.;
      else
        ratio = 10.; // Max ratio
    }else{
      ratio = (double)h.total_payload_upload()/(double)h.total_payload_download();
      if(ratio > 10.){
        ratio = 10.;
      }
    }
    shareRatio->setText(QString(QByteArray::number(ratio, 'f', 1)));
    // Downloaded pieces
    if(progressBarUpdater)
      progressBarUpdater->refresh();
  } catch(invalid_handle e) {}
}