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#pragma once

#include <refactoringserverinterface.h>

#include <future>
#include <vector>

namespace ClangBackEnd {

class SourceRangesAndDiagnosticsForQueryMessage;

namespace V2 {
class FileContainer;
}

class RefactoringServer : public RefactoringServerInterface
{
    using Future = std::future<SourceRangesAndDiagnosticsForQueryMessage>;
public:
    RefactoringServer();

    void end() override;
    void requestSourceLocationsForRenamingMessage(RequestSourceLocationsForRenamingMessage &&message) override;
    void requestSourceRangesAndDiagnosticsForQueryMessage(RequestSourceRangesAndDiagnosticsForQueryMessage &&message) override;
    void cancel() override;

    bool isCancelingJobs() const;

    void supersedePollEventLoop(std::function<void()> &&pollEventLoop);

private:
    void gatherSourceRangesAndDiagnosticsForQueryMessage(std::vector<V2::FileContainer> &&sources,
                                                         std::vector<V2::FileContainer> &&unsaved,
                                                         Utils::SmallString &&query);
    std::size_t waitForNewSourceRangesAndDiagnosticsForQueryMessage(std::vector<Future> &futures);

private:
    std::function<void()> pollEventLoop;
    std::atomic_bool cancelWork{false};

};

} // namespace ClangBackEnd