// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "genesplicer/CalculationType.h"
#include "genesplicer/Defs.h"
#include "genesplicer/GeneSplicerDNAReader.h"
#include "genesplicer/splicedata/SpliceData.h"
#include "genesplicer/types/Aliases.h"

namespace gs4 {

/**
    @brief A stateless facility that wraps the splicing algorithms.
*/
class GeneSplicer final {
    public:
        /**
            @brief Constructor
            @param calculationType
                Determines which algorithm implementation is used for splicing
        */
        GSAPI explicit GeneSplicer(CalculationType calculationType = CalculationType::SSE, MemoryResource* memRes = nullptr);

        GSAPI ~GeneSplicer();

        GeneSplicer(const GeneSplicer&) = delete;
        GeneSplicer& operator=(const GeneSplicer&) = delete;

        GSAPI GeneSplicer(GeneSplicer&& rhs);
        GSAPI GeneSplicer& operator=(GeneSplicer&& rhs);
        /**
            @brief Run all the individual splicers.
            @param spliceData
                Contains all the necessary input data that is used during splicing.
            @param output
                Output parameter - the DNA Reader that will contain the spliced DNA data.
        */
        GSAPI void splice(const SpliceData* spliceData, GeneSplicerDNAReader* output);
        /**
            @brief Run only the neutral mesh splicer.
            @param spliceData
                Contains all the necessary input data that is used during splicing.
            @param output
                Output parameter - the DNA Reader that will contain the spliced DNA data.
        */
        GSAPI void spliceNeutralMeshes(const SpliceData* spliceData, GeneSplicerDNAReader* output);
        /**
            @brief Run only the blend shape splicer.
            @param spliceData
                Contains all the necessary input data that is used during splicing.
            @param output
                Output parameter - the DNA Reader that will contain the spliced DNA data.
        */
        GSAPI void spliceBlendShapes(const SpliceData* spliceData, GeneSplicerDNAReader* output);
        /**
            @brief Run only the neutral joint splicer.
            @param spliceData
                Contains all the necessary input data that is used during splicing.
            @param output
                Output parameter - the DNA Reader that will contain the spliced DNA data.
        */
        GSAPI void spliceNeutralJoints(const SpliceData* spliceData, GeneSplicerDNAReader* output);
        /**
            @brief Run only the joint behavior splicer.
            @param spliceData
                Contains all the necessary input data that is used during splicing.
            @param output
                Output parameter - the DNA Reader that will contain the spliced DNA data.
        */
        GSAPI void spliceJointBehavior(const SpliceData* spliceData, GeneSplicerDNAReader* output);
        /**
            @brief Run only the skin weight splicer.
            @param spliceData
                Contains all the necessary input data that is used during splicing.
            @param output
                Output parameter - the DNA Reader that will contain the spliced DNA data.
        */
        GSAPI void spliceSkinWeights(const SpliceData* spliceData, GeneSplicerDNAReader* output);

    private:
        class Impl;
        ScopedPtr<Impl, FactoryDestroy<Impl> >  pImpl;
};


}  // namespace gs4