#pragma once

#include "AbstractEncoder.h"

#include <memory>
#include <vector>

class ZlibEncoder : public AbstractEncoder
{

public:
    ZlibEncoder(BitStream* inputStream, BitStream* outputStream);
    ~ZlibEncoder();

    void setCompressionMethod(unsigned char method);

    void setExtraFlags(unsigned char extraFlags);

    bool encode() override;

    bool decode() override;

private:
    unsigned char mCmf{0};
    unsigned char mFlg{0};
    unsigned char mCompressionMethod{8};
    unsigned char mCompressionInfo{0};
    unsigned char mFlagCheck{0};
    unsigned char mFlagDict{0};
    unsigned char mFlagLevel{0};
    unsigned char mCheckValue{0};

    std::unique_ptr<AbstractEncoder> mWorkingEncoder;
};