/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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** $QT_BEGIN_LICENSE:LGPL21$
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****************************************************************************/

#ifndef QMLPROFILERAPPLICATION_H
#define QMLPROFILERAPPLICATION_H

#include <QtCore/QCoreApplication>
#include <QtCore/QProcess>
#include <QtCore/QTimer>

#include "qmlprofilerclient.h"
#include "qmlprofilerdata.h"

enum PendingRequest {
    REQUEST_QUIT,
    REQUEST_FLUSH_FILE,
    REQUEST_FLUSH,
    REQUEST_OUTPUT_FILE,
    REQUEST_TOGGLE_RECORDING,
    REQUEST_NONE
};

class QmlProfilerApplication : public QCoreApplication
{
    Q_OBJECT
public:
    QmlProfilerApplication(int &argc, char **argv);
    ~QmlProfilerApplication();

    void parseArguments();
    int exec();
    bool isInteractive() const;

signals:
    void readyForCommand();

public slots:
    void userCommand(const QString &command);
    void notifyTraceStarted();
    void outputData();

private slots:
    void run();
    void tryToConnect();
    void connected();
    void connectionStateChanged(QAbstractSocket::SocketState state);
    void connectionError(QAbstractSocket::SocketError error);
    void processHasOutput();
    void processFinished();

    void traceClientEnabled();
    void profilerClientEnabled();
    void traceFinished();

    void prompt(const QString &line = QString(), bool ready = true);
    void logError(const QString &error);
    void logStatus(const QString &status);

    void qmlComplete();
    void v8Complete();

private:
    quint64 parseFeatures(const QStringList &featureList, const QString &values, bool exclude);
    bool checkOutputFile(PendingRequest pending);
    void flush();
    void output();

    enum ApplicationMode {
        LaunchMode,
        AttachMode
    } m_runMode;

    // LaunchMode
    QString m_programPath;
    QStringList m_programArguments;
    QProcess *m_process;

    QString m_hostName;
    quint16 m_port;
    QString m_outputFile;
    QString m_interactiveOutputFile;

    PendingRequest m_pendingRequest;
    bool m_verbose;
    bool m_recording;
    bool m_interactive;

    QQmlDebugConnection m_connection;
    QmlProfilerClient m_qmlProfilerClient;
    V8ProfilerClient m_v8profilerClient;
    QmlProfilerData m_profilerData;
    QTimer m_connectTimer;
    uint m_connectionAttempts;

    bool m_qmlDataReady;
    bool m_v8DataReady;
};

#endif // QMLPROFILERAPPLICATION_H