#pragma once

#include "backend.h"
#include <thread>


struct PipewireBackend final : AudioBackend
{
public:
    HANDLE relay_handle_;

    explicit PipewireBackend();
    ~PipewireBackend() final;
    [[nodiscard]] const WAVEFORMATEXTENSIBLE &format() const noexcept override;
    HRESULT on_initialize(AUDCLNT_SHAREMODE *ShareMode, DWORD *StreamFlags, REFERENCE_TIME *hnsBufferDuration, REFERENCE_TIME *hnsPeriodicity, const WAVEFORMATEX *pFormat, LPCGUID AudioSessionGuid) noexcept override;
    HRESULT on_get_buffer_size(uint32_t *buffer_frames) noexcept override;
    HRESULT on_get_stream_latency(REFERENCE_TIME *latency) noexcept override;
    HRESULT on_get_current_padding(std::optional<uint32_t> &padding_frames) noexcept override;
    HRESULT on_is_format_supported(AUDCLNT_SHAREMODE *ShareMode, const WAVEFORMATEX *pFormat, WAVEFORMATEX **ppClosestMatch) noexcept override;
    HRESULT on_get_mix_format(WAVEFORMATEX **pp_device_format) noexcept override;
    HRESULT on_get_device_period(REFERENCE_TIME *default_device_period, REFERENCE_TIME *minimum_device_period) override;
    HRESULT on_start() noexcept override;
    HRESULT on_stop() noexcept override;
    HRESULT on_set_event_handle(HANDLE *event_handle) override;
    HRESULT on_get_buffer(uint32_t num_frames_requested, BYTE **ppData) override;
    HRESULT on_release_buffer(uint32_t num_frames_written, DWORD dwFlags) override;

private:
    int fpc_;
    REFERENCE_TIME wrt_;
    const WAVEFORMATEXTENSIBLE &format_;
    void *client_;

};