#pragma once

#include "FLAC/stream_decoder.h"
#include <lame/lame.h>

#include <string>
#include <iostream>
#include <ios>
#include <fstream>

class FLACtoMP3 {
public:
    FLACtoMP3(uint8_t size = 4);
    ~FLACtoMP3();

    void setInputFile(const std::string& path);
    void setOutputFile(const std::string& path);
    void run();

private:
    void decodeFrame(const int32_t * const buffer[], uint32_t size);
    void flush();

    static void error(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
    static void metadata(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
    static FLAC__StreamDecoderWriteStatus write(
        const FLAC__StreamDecoder *decoder,
        const FLAC__Frame *frame,
        const FLAC__int32 * const buffer[],
        void *client_data
    );

private:
    std::string inPath;
    std::string outPath;

    FLAC__StreamDecoder *decoder;
    lame_t encoder;
    FLAC__StreamDecoderInitStatus statusFLAC;

    std::ofstream output;
    uint32_t pcmCounter;
    uint32_t pcmSize;
    int16_t* pcm;
    uint8_t* mp3;
};