#ifndef PNGCHUNK_HPP
#define PNGCHUNK_HPP

#include "include/array/GrowableObjectArray.hpp"

class PNGChunk{

    protected:

        unsigned int chunkLength;
        unsigned int chunkTypeInt;
        unsigned char* chunkData;
        unsigned int crc32;

        PNGChunk(unsigned int chunkLength ,unsigned int type, const unsigned char* chunkData, unsigned int crc32);

    public:

        static const char* CHUNKTYPE_IHDR;
        static const char* CHUNKTYPE_PHYS;
        static const char* CHUNKTYPE_TEXT;
        static const char* CHUNKTYPE_ZTXT;
        static const char* CHUNKTYPE_TRNS;
        static const char* CHUNKTYPE_IDAT;
        static const char* CHUNKTYPE_PLTE;
        static const char* CHUNKTYPE_ITXT;
        static const char* CHUNKTYPE_TIME;
        static const char* CHUNKTYPE_IEND;

        static unsigned int chunkTypeToInt(const char* type);

        static GrowableObjectArray* readChunks(const unsigned char* pngdata, const char* type);

        unsigned int getChunkLength();

        unsigned int getChunkType();

        const unsigned char* getChunkData();

        unsigned int getCRC32();

        unsigned int isCRC32Matched();

        ~PNGChunk();

};

#endif // PNGCHUNK_HPP