/*------------------------------------------------------------------------------
-- This file is a part of the QLop Software
-- Copyright (C) 2015, Plasma Physics Laboratory - CNRS
--
-- 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
-------------------------------------------------------------------------------*/
/*-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@member.fsf.org
----------------------------------------------------------------------------*/

#ifndef FILEDOWNLOADER_H
#define FILEDOWNLOADER_H

#include <QObject>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QNetworkProxy>
#include <QList>
#include <QHash>
#include <filedownloadertask.h>
#include <downloadhistory.h>
#include <qlopservice.h>
#include <QDockWidget>
#include <filedowloadersettingsgui.h>
#include <qlopsettings.h>
#include <QHostAddress>
#include <qlopnetworkproxyfactory.h>

class FileDownloader : public QLopService
{
    Q_OBJECT
private:
    static FileDownloader* _self;
    static QNetworkAccessManager* m_WebCtrl;
    static QList<FileDownloaderTask*>* m_pendingTasks;
    static DownLoadHistory* m_DownLoadHistory;
    static QDockWidget* m_gui;
    static QLopNetworkProxyFactory* m_ProxyFactory;
    static FileDowloaderSettingsGUI* m_SettingsGui;
    FileDownloader(bool noGUI=false,QObject *parent = 0);
   ~FileDownloader();

public:
    static void init(bool noGUI=false,QObject *parent = 0);
    static int downloadFile(QUrl fileUrl,const QString& name);
    static int downloadFile(QString fileUrl,const QString& name);
    static FileDownloaderTask *getDownloadTask(int ID);
    static bool taskIsCompleted(int ID);
    static FileDownloader *self();
    void reloadConfig();
    // QLopService methodes
    QDockWidget* getGUI();
    const QString& serviceName();
signals:

public slots:
    int download_file(QUrl fileUrl,const QString& name);
    int download_file(QString fileUrl,const QString& name);
private slots:
    void gotHead(FileDownloaderTask *task, QNetworkReply *headerreply);
private:
    void configureProxy();
    int getTaskId();
};

#endif // FILEDOWNLOADER_H