#ifndef CSM_TOOLS_MERGEOPERATION_H
#define CSM_TOOLS_MERGEOPERATION_H

#include <memory>

#include <components/to_utf8/to_utf8.hpp>

#include "../doc/operation.hpp"

#include "mergestate.hpp"

class QObject;

namespace CSMDoc
{
    class Document;
}

namespace CSMTools
{
    class MergeOperation : public CSMDoc::Operation
    {
        Q_OBJECT

        MergeState mState;

    public:
        MergeOperation(CSMDoc::Document& document, ToUTF8::FromType encoding);

        /// \attention Do not call this function while a merge is running.
        void setTarget(std::unique_ptr<CSMDoc::Document> document);

    protected slots:

        void operationDone() override;

    signals:

        /// \attention When this signal is emitted, *this hands over the ownership of the
        /// document. This signal must be handled to avoid a leak.
        void mergeDone(CSMDoc::Document* document);
    };
}

#endif