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** Copyright (C) 2016 The Qt Company Ltd.
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
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#pragma once

#include "clangjobcontext.h"

#include <QFuture>
#include <QLoggingCategory>

#include <functional>

Q_DECLARE_LOGGING_CATEGORY(jobsLog);

namespace ClangBackEnd {

class IAsyncJob
{
public:
    struct AsyncPrepareResult {
        operator bool() const { return !translationUnitId.isEmpty(); }
        Utf8String translationUnitId;
    };

public:
    IAsyncJob();
    virtual ~IAsyncJob();

    JobContext context() const;
    void setContext(const JobContext &context);

    using FinishedHandler = std::function<void(IAsyncJob *job)>;
    FinishedHandler finishedHandler() const;
    void setFinishedHandler(const FinishedHandler &finishedHandler);

    virtual AsyncPrepareResult prepareAsyncRun() = 0;
    virtual QFuture<void> runAsync() = 0;
    virtual void finalizeAsyncRun() = 0;

    virtual void preventFinalization() = 0;

public: // for tests
    bool isFinished() const;
    void setIsFinished(bool isFinished);

private:
    bool m_isFinished = false;
    FinishedHandler m_finishedHandler;
    JobContext m_context;
};

} // namespace ClangBackEnd
