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#ifndef MAEMOSSHRUNNER_H
#define MAEMOSSHRUNNER_H

#include "maemodeviceconfigurations.h"
#include "maemomountspecification.h"

#include <utils/environment.h>

#include <QtCore/QObject>
#include <QtCore/QSharedPointer>
#include <QtCore/QStringList>

namespace Core {
    class SshConnection;
    class SshRemoteProcess;
}

namespace Qt4ProjectManager {
namespace Internal {
class MaemoRemoteMounter;
class MaemoRunConfiguration;
class MaemoUsedPortsGatherer;

class MaemoSshRunner : public QObject
{
    Q_OBJECT
public:
    MaemoSshRunner(QObject *parent, MaemoRunConfiguration *runConfig,
        bool debugging);
    ~MaemoSshRunner();

    void start();
    void stop();

    void startExecution(const QByteArray &remoteCall);

    QSharedPointer<Core::SshConnection> connection() const { return m_connection; }

    const MaemoUsedPortsGatherer *usedPortsGatherer() const { return m_portsGatherer; }
    MaemoPortList *freePorts() { return &m_freePorts; }
    MaemoDeviceConfig deviceConfig() const { return m_devConfig; }
    QString remoteExecutable() const { return m_remoteExecutable; }
    QString arguments() const { return m_appArguments; }
    QList<Utils::EnvironmentItem> userEnvChanges() const { return m_userEnvChanges; }

    static const qint64 InvalidExitCode;

signals:
    void error(const QString &error);
    void mountDebugOutput(const QString &output);
    void readyForExecution();
    void remoteOutput(const QByteArray &output);
    void remoteErrorOutput(const QByteArray &output);
    void reportProgress(const QString &progressOutput);
    void remoteProcessStarted();
    void remoteProcessFinished(qint64 exitCode);

private slots:
    void handleConnected();
    void handleConnectionFailure();
    void handleCleanupFinished(int exitStatus);
    void handleRemoteProcessFinished(int exitStatus);
    void handleMounted();
    void handleUnmounted();
    void handleMounterError(const QString &errorMsg);
    void handlePortsGathererError(const QString &errorMsg);
    void handleUsedPortsAvailable();

private:
    enum State { Inactive, Connecting, PreRunCleaning, PostRunCleaning,
        PreMountUnmounting, Mounting, ReadyForExecution,
        ProcessStarting, StopRequested, GatheringPorts
    };

    void setState(State newState);
    void emitError(const QString &errorMsg);

    void cleanup();
    bool isConnectionUsable() const;
    void mount();
    void unmount();

    MaemoRemoteMounter * const m_mounter;
    MaemoUsedPortsGatherer * const m_portsGatherer;
    const MaemoDeviceConfig m_devConfig;
    const QString m_remoteExecutable;
    const QString m_appArguments;
    const QList<Utils::EnvironmentItem> m_userEnvChanges;
    const MaemoPortList m_initialFreePorts;
    QList<MaemoMountSpecification> m_mountSpecs;

    QSharedPointer<Core::SshConnection> m_connection;
    QSharedPointer<Core::SshRemoteProcess> m_runner;
    QSharedPointer<Core::SshRemoteProcess> m_cleaner;
    QStringList m_procsToKill;
    MaemoPortList m_freePorts;

    int m_exitStatus;
    State m_state;
};

} // namespace Internal
} // namespace Qt4ProjectManager

#endif // MAEMOSSHRUNNER_H