/*
 *  @file Encoder.hpp
 *  @author Mateusz Piesta (mateusz.piesta@mudita.com)
 *  @date 23.07.19
 *  @brief
 *  @copyright Copyright (C) 2019 mudita.com
 *  @details
 */

#ifndef PUREPHONE_ENCODER_HPP
#define PUREPHONE_ENCODER_HPP

#include <memory>
#include "vfs.hpp"

namespace audio
{

    class Encoder
    {
      public:
        struct Format
        {
            uint32_t chanNr;
            uint32_t sampleRate;
        };

        static std::unique_ptr<Encoder> Create(const char *file, const Format &frmt);

        Encoder(const char *file, const Format &frmt);

        virtual ~Encoder();

        virtual uint32_t Encode(uint32_t samplesToWrite, int16_t *pcmData) = 0;

        float getCurrentPosition()
        {
            return position;
        }

        uint32_t GetFileSize()
        {
            return fileSize;
        }

        const Format format;

      protected:
        float position    = 0;
        vfs::FILE *fd     = nullptr;
        uint32_t fileSize = 0;
        std::string filePath;

        bool isInitialized = false;
    };

} // namespace audio

#endif // PUREPHONE_ENCODER_HPP