/* ============================================================
* QuiteRSS is a open-source cross-platform RSS/Atom news feeds reader
* Copyright (C) 2011-2015 QuiteRSS Team <quiterssteam@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, either version 3 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, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#ifndef UPDATEFEEDS_H
#define UPDATEFEEDS_H

#include <QThread>
#include <QtSql>
#include <QQueue>

#include "requestfeed.h"
#include "parseobject.h"
#include "faviconobject.h"

class UpdateObject;
class MainWindow;

class UpdateFeeds : public QObject
{
  Q_OBJECT
public:
  explicit UpdateFeeds(QObject *parent, bool addFeed = false);
  ~UpdateFeeds();

  void disconnectObjects();
  void startSaveTimer();

  UpdateObject *updateObject_;
  RequestFeed *requestFeed_;
  ParseObject *parseObject_;
  FaviconObject *faviconObject_;
  QThread *getFeedThread_;
  QThread *updateFeedThread_;
  QThread *getFaviconThread_;

public slots:
  void saveMemoryDatabase();
  void quitApp();

private:
  bool addFeed_;
  QTimer *saveMemoryDBTimer_;

};

class UpdateObject : public QObject
{
  Q_OBJECT
public:
  explicit UpdateObject(QObject *parent = 0);
  ~UpdateObject();
  static QList<int> getIdFeedsInList(int idFolder);
  static QString getIdFeedsString(int idFolder, int idException = -1);

  bool isSaveMemoryDatabase;

public slots:
  void slotGetFeedTimer(int feedId);
  void slotGetAllFeedsTimer();
  void slotGetFeed(int feedId, QString feedUrl, QDateTime date, int auth);
  void slotGetFeedsFolder(QString query);
  void slotGetAllFeeds();
  void slotImportFeeds(QByteArray xmlData);
  void getUrlDone(int result, int feedId, QString feedUrlStr,
                  QString error, QByteArray data,
                  QDateTime dtReply, QString codecName);
  void finishUpdate(int feedId, bool changed, int newCount, QString status);
  void slotNextUpdateFeed(bool finish);
  void slotRecountCategoryCounts();
  void slotRecountFeedCounts(int feedId, bool updateViewport = true);
  void slotSetFeedRead(int readType, int feedId, int idException, QList<int> idNewsList);
  void slotMarkFeedRead(int id, bool isFolder, bool openFeed);
  void slotUpdateStatus(int feedId, bool changed);
  void slotMarkAllFeedsRead();
  void slotIconSave(QString feedUrl, QByteArray faviconData);
  void slotSqlQueryExec(QString query);
  void slotMarkAllFeedsOld();
  void slotRefreshInfoTray();
  void saveMemoryDatabase();
  void cleanUpShutdown();
  void quitApp();

signals:
  void showProgressBar(int value);
  void loadProgress(int value, bool clear = false);
  void signalMessageStatusBar(QString message, int timeout = 0);
  void signalUpdateFeedsModel();
  void signalRequestUrl(int feedId, QString urlString,
                        QDateTime date, QString userInfo);
  void xmlReadyParse(QByteArray data, int feedId,
                     QDateTime dtReply, QString codecName);
  void setStatusFeed(int feedId, QString status);
  void feedUpdated(int feedId, bool changed, int newCount, bool finish);
  void signalUpdateModel(bool checkFilter = true);
  void signalUpdateNews();
  void signalCountsStatusBar(int unreadCount, int allCount);
  void signalRecountCategoryCounts(QList<int> deletedList, QList<int> starredList,
                                   QList<int> readList, QStringList labelList);
  void feedCountsUpdate(FeedCountStruct counts);
  void signalFeedsViewportUpdate();
  void signalRefreshInfoTray(int newCount, int unreadCount);
  void signalMarkAllFeedsRead(int nextUnread = -1);
  void signalIconUpdate(int feedId, QByteArray faviconData);
  void signalSetFeedsFilter(bool clicked = false);

private slots:
  bool addFeedInQueue(int feedId, const QString &feedUrl,
                      const QDateTime &date, int auth);

private:
  MainWindow *mainWindow_;
  QSqlDatabase db_;
  QList<int> feedIdList_;
  int updateFeedsCount_;
  QTimer *updateModelTimer_;
  QTimer *timerUpdateNews_;

};

#endif // UPDATEFEEDS_H
