#ifndef shaveAPIimpl_h
#define shaveAPIimpl_h
// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962

#include <maya/MStatus.h>
#include <vector>

#include "libShave.h"
#include "shaveAPI.h"
#include "shaveGlobals.h"
#include "shaveSDK.h"

#if MAYA_API_VERSION < 20180000
class MObjectArray;
#endif

class shaveHairShape;


class LIBSHAVE_API shaveAPIimpl
{
public:
	static MStatus		clearHairStack();

	static MStatus		createHairStack(
							MObjectArray& shaveHairShapes,
							const shaveGlobals::Globals& globals
						);

	static MStatus		exportAllHair(
							shaveAPI::HairInfo* hairInfo, bool renderableOnly
						);

	static MStatus		exportDRAFile(MString filename);

	static MStatus		exportHair(
							MObjectArray& shaveHairShapes,
							shaveAPI::HairInfo* hairInfo
						);

	static MStatus		exportOcclusions(
							shaveAPI::SceneGeom* hairOcclusions,
							shaveAPI::SceneGeom* shadowOcclusions
						);

	static void			freeHairInfo(shaveAPI::HairInfo* hairInfo);
	static void			initHairInfo(shaveAPI::HairInfo* hairInfo);

	//******************************************
	//
	//		SceneGeom Interfaces
	//
	//******************************************
	static void			freeSceneGeom(shaveAPI::SceneGeom* sceneGeom);
	static void			initSceneGeom(shaveAPI::SceneGeom* sceneGeom);

	//******************************************
	//
	//		Utility Methods
	//
	//******************************************
	static void			copyWFTYPEToSceneGeom(
							shaveAPI::SceneGeom* sceneGeom, WFTYPE& wf
						);

	static shaveHairShape*	getNodeFromStack(unsigned int nodeIndex);

protected:
	static std::vector<shaveHairShape*>	mShaveNodes;

	static MStatus	doExport(
						MObjectArray& shaveHairShapes,
						shaveAPI::HairInfo* hairInfo,
						const shaveGlobals::Globals& globals
					);

	static MStatus	doInitHairIterator(MObjectArray& shaveHairShapes);
};

#endif