#pragma once

#include "FluidSim/AudioOutputStream.hpp"

namespace fluidsim::port {

// Lifecycle wrapper matching the C# Audio.SoundEngine. The output stream owns
// the device callback, while this class gives the application one explicit
// start/stop and playback-control surface.
class SoundEngine {
public:
    explicit SoundEngine(SimulationRingBuffer& source_buffer);
    ~SoundEngine();

    SoundEngine(const SoundEngine&) = delete;
    SoundEngine& operator=(const SoundEngine&) = delete;

    void start();
    void stop();
    void set_speed(double speed);
    double speed() const;
    void set_volume(float volume);
    float volume() const;
    void set_auto_gain(bool enabled) { stream_.set_auto_gain(enabled); }
    bool auto_gain() const { return stream_.auto_gain(); }
    std::uint64_t underrun_blocks() const { return stream_.underrun_blocks(); }
    bool is_playing() const { return is_playing_; }

private:
    AudioOutputStream stream_;
    bool is_playing_{};
};

} // namespace fluidsim::port