#pragma once
#include <napi.h>
#include <wrl/client.h>
#include <d3d11.h>
#include <vector>
#include <cstdint>

// CaptureWorker: Napi::AsyncWorker subclass implementing DWM shared surface capture.
// Uses DwmGetDxSharedSurface (the same API used by OBS and AHK) for
// flicker-free, occlusion-immune window capture without yellow borders.
// Runs on libuv worker thread (per D-15). Returns PNG buffer via Promise.
class CaptureWorker : public Napi::AsyncWorker {
public:
    CaptureWorker(Napi::Env env, HWND hwnd,
                  Microsoft::WRL::ComPtr<ID3D11Device> device,
                  Microsoft::WRL::ComPtr<ID3D11DeviceContext> context);

    Napi::Promise GetPromise();

    void Execute() override;
    void OnOK() override;
    void OnError(const Napi::Error& error) override;

private:
    HWND hwnd_;
    Microsoft::WRL::ComPtr<ID3D11Device> device_;
    Microsoft::WRL::ComPtr<ID3D11DeviceContext> context_;
    Napi::Promise::Deferred deferred_;
    std::vector<uint8_t> pngData_;
};