// FltFile.h

#ifndef __FLT_FILE_H
#define __FLT_FILE_H

#include <osg/Group>

#include <map>
#include <string>

#include "Pool.h"
#include "HeaderRecord.h"

namespace flt {

class Record;


class FltFile : public osg::Referenced
{

    public:
        FltFile(
            ColorPool* pColorPool = NULL,
            TexturePool* pTexturePool = NULL,
            MaterialPool* pMaterialPool = NULL,
            LtPtAppearancePool* pLtPtAppearancePool = NULL,
            LtPtAnimationPool* pLtPtAnimationPool = NULL,
            osgDB::ReaderWriter::Options* options = NULL);

        virtual osg::Object* readObject(const std::string& fileName);
        virtual osg::Node* readNode(const std::string& fileName);
        osg::Group* convert();
        bool readModel(const std::string& fileName);

        ColorPool*      getColorPool()      { return _colorPool.get(); }
        TexturePool*    getTexturePool()    { return _texturePool.get(); }
        LightPool*      getLightPool()   { return _lightPool.get(); }
        MaterialPool*   getMaterialPool()   { return _materialPool.get(); }
        InstancePool*   getInstancePool()   { return _instancePool.get(); }
        LtPtAppearancePool* getLtPtAppearancePool() { return _ltPtAppearancePool.get(); }
        LtPtAnimationPool* getLtPtAnimationPool() { return _ltPtAnimationPool.get(); }

        void setColorPool(ColorPool* colorPool)         { _colorPool = colorPool; }
        void setTexturePool(TexturePool* texturePool)   { _texturePool = texturePool; }
        void setLightPool(LightPool* lightPool){ _lightPool = lightPool; }
        void setMaterialPool(MaterialPool* materialPool){ _materialPool = materialPool; }
        void setInstancePool(InstancePool* instancePool){ _instancePool = instancePool; }
        void setLtPtAppearancePool(LtPtAppearancePool* ltPtAppearancePool){ _ltPtAppearancePool = ltPtAppearancePool; }
        void setLtPtAnimationPool(LtPtAnimationPool* ltPtAnimationPool){ _ltPtAnimationPool = ltPtAnimationPool; }

        inline bool useInternalColorPalette() const    { return _useInternalColorPalette; }
        inline bool useInternalTexturePalette() const  { return _useInternalTexturePalette; }
        inline bool useInternalMaterialPalette() const { return _useInternalMaterialPalette; }
        inline bool useInternalLtPtPalettes() const { return _useInternalLtPtPalettes; }

        void setUseTextureAlphaForTransparancyBinning(bool flag) { _useTextureAlphaForTransparancyBinning=flag; }
        bool getUseTextureAlphaForTransparancyBinning() const { return _useTextureAlphaForTransparancyBinning; }
        void setDoUnitsConversion(bool flag) { _doUnitsConversion=flag; }
        bool getDoUnitsConversion() const { return _doUnitsConversion; }

        typedef enum { 
            ConvertToMeters, 
            ConvertToKilometers, 
            ConvertToFeet,
            ConvertToInches, 
            ConvertToNauticalMiles 
        } ConvertUnits;
        void setDesiredUnits( FltFile::ConvertUnits units ) { _desiredUnits=units; }
        FltFile::ConvertUnits getDesiredUnits() const { return _desiredUnits; }
        std::string getDesiredUnitsString() const;

        void setDefaultDOFAnimationState(bool defaultDOFAnimationState) { _defaultDOFAnimationState = defaultDOFAnimationState; }
        bool getDefaultDOFAnimationState() const { return _defaultDOFAnimationState; }

        int getFlightVersion() const;
        inline HeaderRecord* getHeaderRecord() { return _headerRecord.get(); }
        void getOrigin( double& latitude, double& longitude ) const;
        
        void setOptions(osgDB::ReaderWriter::Options* options) { _options = options; }
        osgDB::ReaderWriter::Options* getOptions() { return _options.get(); }
        const osgDB::ReaderWriter::Options* getOptions() const { return _options.get(); }

    protected:

        virtual ~FltFile() {}

        bool readFile(const std::string& fileName);
        void readExternals();

    private:

        osg::ref_ptr<HeaderRecord>        _headerRecord;

        bool                        _useInternalColorPalette;
        bool                        _useInternalTexturePalette;
        bool                        _useInternalMaterialPalette;
        bool                        _useInternalLtPtPalettes;
        bool                        _useTextureAlphaForTransparancyBinning;
        bool                        _doUnitsConversion;
        bool                        _defaultDOFAnimationState; //< Default DOF Animation state
        ConvertUnits                _desiredUnits;

        std::string                 _directory;
        
        osg::ref_ptr<osgDB::ReaderWriter::Options> _options;

        osg::ref_ptr<ColorPool>     _colorPool;
        osg::ref_ptr<TexturePool>   _texturePool;
        osg::ref_ptr<LightPool>     _lightPool;
        osg::ref_ptr<MaterialPool>  _materialPool;
        osg::ref_ptr<InstancePool>  _instancePool;
        osg::ref_ptr<LtPtAppearancePool> _ltPtAppearancePool;
        osg::ref_ptr<LtPtAnimationPool> _ltPtAnimationPool;
};



}; // end namespace flt

#endif