/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
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#pragma once

#include "sshpseudoterminal.h"

#include "sshchannel_p.h"

#include <QList>
#include <QPair>
#include <QProcess>

namespace QSsh {
class SshRemoteProcess;

namespace Internal {
class SshSendFacility;

class SshRemoteProcessPrivate : public AbstractSshChannel
{
    Q_OBJECT
    friend class QSsh::SshRemoteProcess;
public:
    enum ProcessState {
        NotYetStarted, ExecRequested, StartFailed, Running, Exited
    };

signals:
    void started();
    void readyRead();
    void readyReadStandardOutput();
    void readyReadStandardError();
    void closed(int exitStatus);

private:
    SshRemoteProcessPrivate(const QByteArray &command, quint32 channelId,
        SshSendFacility &sendFacility, SshRemoteProcess *proc);
    SshRemoteProcessPrivate(quint32 channelId, SshSendFacility &sendFacility,
        SshRemoteProcess *proc);

    virtual void handleChannelSuccess();
    virtual void handleChannelFailure();

    virtual void handleOpenSuccessInternal();
    virtual void handleOpenFailureInternal(const QString &reason);
    virtual void handleChannelDataInternal(const QByteArray &data);
    virtual void handleChannelExtendedDataInternal(quint32 type,
        const QByteArray &data);
    virtual void handleExitStatus(const SshChannelExitStatus &exitStatus);
    virtual void handleExitSignal(const SshChannelExitSignal &signal);

    virtual void closeHook();

    void init();
    void setProcState(ProcessState newState);
    QByteArray &data();

    QProcess::ProcessChannel m_readChannel;

    ProcessState m_procState;
    bool m_wasRunning;
    int m_signal;
    int m_exitCode;

    const QByteArray m_command;
    const bool m_isShell;

    typedef QPair<QByteArray, QByteArray> EnvVar;
    QList<EnvVar> m_env;
    bool m_useTerminal;
    SshPseudoTerminal m_terminal;

    QByteArray m_stdout;
    QByteArray m_stderr;

    SshRemoteProcess *m_proc;
};

} // namespace Internal
} // namespace QSsh