#pragma once

#include <mutex>
#include <unordered_map>

#include "dxgi_format.h"
#include "dxgi_interfaces.h"
#include "dxgi_output.h"

namespace dxvk {
  
  class DxgiAdapter;
  class DxgiFactory;
  class DxgiOutput;


  class DxgiVkAdapter : public IDXGIVkInteropAdapter {

  public:

    DxgiVkAdapter(DxgiAdapter* pAdapter);

    ULONG STDMETHODCALLTYPE AddRef();
    
    ULONG STDMETHODCALLTYPE Release();
    
    HRESULT STDMETHODCALLTYPE QueryInterface(
            REFIID                    riid,
            void**                    ppvObject);
    
    void STDMETHODCALLTYPE GetVulkanHandles(
            VkInstance*               pInstance,
            VkPhysicalDevice*         pPhysDev);

  private:

    DxgiAdapter* m_adapter;

  };

  
  class DxgiAdapter : public DxgiObject<IDXGIDXVKAdapter> {
    
  public:
    
    DxgiAdapter(
            DxgiFactory*              factory,
      const Rc<DxvkAdapter>&          adapter,
            UINT                      index);

    ~DxgiAdapter();
    
    HRESULT STDMETHODCALLTYPE QueryInterface(
            REFIID                    riid,
            void**                    ppvObject) final;
    
    HRESULT STDMETHODCALLTYPE GetParent(
            REFIID                    riid,
            void**                    ppParent) final;
    
    HRESULT STDMETHODCALLTYPE CheckInterfaceSupport(
            REFGUID                   InterfaceName,
            LARGE_INTEGER*            pUMDVersion) final;
    
    HRESULT STDMETHODCALLTYPE EnumOutputs(
            UINT                      Output,
            IDXGIOutput**             ppOutput) final;
    
    HRESULT STDMETHODCALLTYPE GetDesc(
            DXGI_ADAPTER_DESC*        pDesc) final;
    
    HRESULT STDMETHODCALLTYPE GetDesc1(
            DXGI_ADAPTER_DESC1*       pDesc) final;
    
    HRESULT STDMETHODCALLTYPE GetDesc2(
            DXGI_ADAPTER_DESC2*       pDesc) final;
    
    HRESULT STDMETHODCALLTYPE QueryVideoMemoryInfo(
            UINT                          NodeIndex,
            DXGI_MEMORY_SEGMENT_GROUP     MemorySegmentGroup,
            DXGI_QUERY_VIDEO_MEMORY_INFO* pVideoMemoryInfo) final;

    HRESULT STDMETHODCALLTYPE SetVideoMemoryReservation(
            UINT                          NodeIndex,
            DXGI_MEMORY_SEGMENT_GROUP     MemorySegmentGroup,
            UINT64                        Reservation) final;
    
    HRESULT STDMETHODCALLTYPE RegisterHardwareContentProtectionTeardownStatusEvent(
            HANDLE                        hEvent,
            DWORD*                        pdwCookie) final;

    HRESULT STDMETHODCALLTYPE RegisterVideoMemoryBudgetChangeNotificationEvent(
            HANDLE                        hEvent,
            DWORD*                        pdwCookie) final;
    
    void STDMETHODCALLTYPE UnregisterHardwareContentProtectionTeardownStatus(
            DWORD                         dwCookie) final;

    void STDMETHODCALLTYPE UnregisterVideoMemoryBudgetChangeNotification(
            DWORD                         dwCookie) final;

    Rc<DxvkAdapter> STDMETHODCALLTYPE GetDXVKAdapter() final;
    
    Rc<DxvkInstance> STDMETHODCALLTYPE GetDXVKInstance() final;

  private:
    
    Com<DxgiFactory>  m_factory;
    Rc<DxvkAdapter>   m_adapter;
    DxgiVkAdapter     m_interop;
    
    UINT              m_index;
    UINT64            m_memReservation[2] = { 0, 0 };

    std::mutex                        m_mutex;
    std::condition_variable           m_cond;

    DWORD                             m_eventCookie = 0;
    std::unordered_map<DWORD, HANDLE> m_eventMap;
    dxvk::thread                      m_eventThread;

    void runEventThread();
    
  };

}