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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QList>
#include <QStringList>
#include <QMainWindow>

#include "torrentclient.h"

QT_BEGIN_NAMESPACE
class QAction;
class QCloseEvent;
class QLabel;
class QProgressDialog;
class QSlider;
QT_END_NAMESPACE
class TorrentView;

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);

    QSize sizeHint() const override;
    const TorrentClient *clientForRow(int row) const;

protected:
    void closeEvent(QCloseEvent *event) override;

private slots:
    void loadSettings();
    void saveSettings();

    bool addTorrent();
    void removeTorrent();
    void pauseTorrent();
    void moveTorrentUp();
    void moveTorrentDown();

    void torrentStopped();
    void torrentError(TorrentClient::Error error);

    void updateState(TorrentClient::State state);
    void updatePeerInfo();
    void updateProgress(int percent);
    void updateDownloadRate(int bytesPerSecond);
    void updateUploadRate(int bytesPerSecond);

    void setUploadLimit(int bytes);
    void setDownloadLimit(int bytes);

    void about();
    void setActionsEnabled();
    void acceptFileDrop(const QString &fileName);

private:
    int rowOfClient(TorrentClient *client) const;
    bool addTorrent(const QString &fileName, const QString &destinationFolder,
                    const QByteArray &resumeState = QByteArray());

    TorrentView *torrentView;
    QAction *pauseTorrentAction;
    QAction *removeTorrentAction;
    QAction *upActionTool;
    QAction *downActionTool;
    QSlider *uploadLimitSlider;
    QSlider *downloadLimitSlider;
    QLabel *uploadLimitLabel;
    QLabel *downloadLimitLabel;

    int uploadLimit;
    int downloadLimit;

    struct Job {
        TorrentClient *client;
        QString torrentFileName;
        QString destinationDirectory;
    };
    QList<Job> jobs;
    int jobsStopped;
    int jobsToStop;

    QString lastDirectory;
    QProgressDialog *quitDialog;

    bool saveChanges;
};

#endif