#pragma once
#include <unistd.h>
#include <string>
#include <fstream>
#include <memory>
#include <mutex>
#include <VUtils/Environment.h>
#include <VulcanoLE/Audio/FFT.h>
#include <VulcanoLE/Audio/Types.h>
#include <VulcanoLE/Audio/Filter.h>

class AudioGrabber {
public:
    enum class ReqMode {
        FFT = 0,
        RMS = 1,
        PEAK = 2,
        FILTER = 3,
        ALL = 4
    };
    AudioGrabber();
    ~AudioGrabber();
    bool read(stereoSample *buffer, uint32_t bufferSize);
    static AudioGrabber* createAudioGrabber();
    void init();
    Audio::FilterHelper& getFilter();
    FFT fft;
    ReqMode requestMode = ReqMode::FFT;
    stereoSampleFrame loudness = {0.0, 0.0};
    stereoSampleFrame getLoudness();
    bool work();
    VUtils::Environment *env = nullptr;
    double getBass();
private:
    std::mutex m_mtx;
    stereoSample *m_buffer{};
    void calculateRMS(stereoSample *pFrame);
    void calculatePEAK(stereoSample *pFrame);
    double m_scale = 1.0;
    int availableData = 0;
    Audio::FilterHelper m_filter;
};