#ifndef DUST3D_APPLICATION_FBX_FILE_H_
#define DUST3D_APPLICATION_FBX_FILE_H_

#include <map>
#include <QString>
#include <QMatrix4x4>
#include <QQuaternion>
#include <QImage>
#include <dust3d/base/object.h>
#include "fbxdocument.h"

class FbxFileWriter : public QObject
{
    Q_OBJECT
public:
    FbxFileWriter(dust3d::Object &object,
        const QString &filename,
        QImage *textureImage=nullptr,
        QImage *normalImage=nullptr,
        QImage *metalnessImage=nullptr,
        QImage *roughnessImage=nullptr,
        QImage *ambientOcclusionImage=nullptr);
    bool save();

private:
    void createFbxHeader();
    void createCreationTime();
    void createFileId();
    void createCreator();
    void createGlobalSettings();
    void createDocuments();
    void createReferences();
    void createDefinitions(size_t deformerCount,
        size_t textureCount=0,
        size_t videoCount=0,
        bool hasAnimtion=false,
        size_t animationStackCount=0,
        size_t animationLayerCount=0,
        size_t animationCurveNodeCount=0,
        size_t animationCurveCount=0);
    void createTakes();
    std::vector<double> matrixToVector(const QMatrix4x4 &matrix);
    int64_t secondsToKtime(double seconds);
    
    int64_t m_next64Id = 612150000;
    QString m_filename;
    QString m_baseName;
    fbx::FBXDocument m_fbxDocument;
    std::map<QString, int64_t> m_uuidTo64Map;
    static std::vector<double> m_identityMatrix;
};

#endif