/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006-2011 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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

 */

#include <QGridLayout>

#include <QPushButton>

#include <QNetworkAccessManager>

#include <QNetworkRequest>

#include <QNetworkReply>

#include <QFileInfo>

#include <QFileDialog>

#include <QDebug>

#include <QProgressBar>

#include "pagedata.h"

#include "quazip.h"

PageDataDownload::PageDataDownload(QWidget* parent) : AbstractPage(parent)

{

    QGridLayout * pageLayout = new QGridLayout(this);

    pageLayout->setColumnStretch(0, 1);

    pageLayout->setColumnStretch(1, 1);

    pageLayout->setColumnStretch(2, 1);

    BtnBack = addButton(":/res/Exit.png", pageLayout, 2, 0, true);

    connect(web, SIGNAL(anchorClicked(QUrl)), this, SLOT(install(const QUrl&)));

    web->setOpenLinks(false);

    pageLayout->addWidget(web, 0, 0, 1, 3);

    progressBarsLayout = new QVBoxLayout(this);

    pageLayout->addLayout(progressBarsLayout, 1, 0, 1, 3);

    fetchList();

}

void PageDataDownload::install(const QUrl &url)

{

    qWarning() << "Download Request" << url.toString();

    QString fileName = QFileInfo(url.toString()).fileName();

    QNetworkRequest newRequest(url);

    newRequest.setAttribute(QNetworkRequest::User, fileName);

    QNetworkAccessManager *manager = new QNetworkAccessManager(this);

    QNetworkReply *reply = manager->get(newRequest);

    connect(reply, SIGNAL(finished()), this, SLOT(fileDownloaded()));

    connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(downloadProgress(qint64, qint64)));

    QProgressBar *progressBar = new QProgressBar(this);

    progressBarsLayout->addWidget(progressBar);

    progressBars.insert(reply, progressBar);

}

void PageDataDownload::pageDownloaded()

{

    QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());

    if(reply)

    {

        web->setHtml(QString::fromUtf8(reply->readAll()));

    }

}

void PageDataDownload::fileDownloaded()

{

    QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());

    if(reply)

    {

        QByteArray fileContents = reply->readAll();

        QProgressBar *progressBar = progressBars.value(reply, 0);

        if(progressBar)

        {

            progressBars.remove(reply);

            progressBar->deleteLater();

        }

    }

}

void PageDataDownload::downloadProgress(qint64 bytesRecieved, qint64 bytesTotal)

{

    QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());

    if(reply)

    {

        QProgressBar *progressBar = progressBars.value(reply, 0);

        if(progressBar)

        {

            progressBar->setValue(bytesRecieved);

            progressBar->setMaximum(bytesTotal);

        }

    }

}

void PageDataDownload::fetchList()

{

    QNetworkAccessManager *manager = new QNetworkAccessManager(this);

    QNetworkReply *reply = manager->get(newRequest);

    connect(reply, SIGNAL(finished()), this, SLOT(pageDownloaded()));

}