#include "render/dx11/ISwapChain11.h"
#include <Windows.h>
#include "render/dx11/ITexture2D11.h"

namespace LifeGraphics
{
    ISwapChain11::ISwapChain11(ID3D11Device* device, LifeCore::IRenderWindow* wnd){
        IDXGIDevice* dxgi_dev;
        IDXGIAdapter* dxgi_adapter;
        IDXGIFactory* gxgi_factory;

        DXGI_SWAP_CHAIN_DESC sd;
        ZeroMemory(&sd, sizeof(sd));

        //fill swap chain description parameters
        sd.BufferCount = 1;
        sd.BufferDesc.Width = wnd->GetWidth();
        sd.BufferDesc.Height = wnd->GetHeight();
        sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;

        sd.BufferDesc.RefreshRate.Numerator = 60;
        sd.BufferDesc.RefreshRate.Denominator = 1;
        sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
        sd.OutputWindow = (HWND)wnd->GetWindowHandle();
        sd.Windowed = true;
        sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
        sd.SampleDesc.Count = 1;
        sd.SampleDesc.Quality = 0;

        device->QueryInterface(__uuidof(IDXGIDevice), (void**)(&dxgi_dev));
        dxgi_dev->GetParent(__uuidof(IDXGIAdapter), (void**)(&dxgi_adapter));
        dxgi_adapter->GetParent(__uuidof(IDXGIFactory), (void**)(&gxgi_factory));
       // dxgi_adapter->EnumOutputs(0, &pDXGIOutput);
        gxgi_factory->CreateSwapChain(device, &sd, &swap_chain);
        gxgi_factory->MakeWindowAssociation((HWND)wnd->GetWindowHandle(), DXGI_MWA_NO_ALT_ENTER | DXGI_MWA_NO_WINDOW_CHANGES);

        ID3D11Texture2D* back_buffer_raw;
        ID3D11RenderTargetView* back_buffer_rtv;
        swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&back_buffer_raw);
        device->CreateRenderTargetView(back_buffer_raw, NULL, &back_buffer_rtv);



        back_buffer = new LifeGraphics::ITexture2D11(device);
        back_buffer->FromTexture(back_buffer_raw);
        back_buffer->addRenderTargetView(new LifeGraphics::IRenderTargetView11(back_buffer_rtv));


        D3D11_TEXTURE2D_DESC dDesc = {0};
        dDesc.ArraySize = 1;
        dDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
        dDesc.CPUAccessFlags = 0;
        dDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
        dDesc.MipLevels = 1;
        dDesc.SampleDesc.Count = 1;
        dDesc.SampleDesc.Quality = 0;
        dDesc.Usage = D3D11_USAGE_DEFAULT;
        dDesc.Width = wnd->GetWidth();
        dDesc.Height = wnd->GetHeight();

        ID3D11Texture2D* depth_buffer_raw;
        ID3D11DepthStencilView* depth_buffer_raw_dsv;
        device->CreateTexture2D(&dDesc, NULL, &depth_buffer_raw);
        device->CreateDepthStencilView(depth_buffer_raw,NULL, &depth_buffer_raw_dsv);

        depth_buffer = new LifeGraphics::ITexture2D11(device);
        depth_buffer->FromTexture(depth_buffer_raw);
        depth_buffer->addDepthStencilView(depth_buffer_raw_dsv);
    }
    LifeGraphics::ITexture2D* ISwapChain11::GetBackBuffer(uint8 id){
        return static_cast<ITexture2D*>(back_buffer);
    }
    LifeGraphics::ITexture2D* ISwapChain11::GetDepthBuffer(uint8 id){
        return static_cast<ITexture2D*>(depth_buffer);
    }
    void ISwapChain11::Resize(uint16 width, uint16 height){

    }
    void ISwapChain11::Present(){
        swap_chain->Present(0,0);
    }
    ISwapChain11::~ISwapChain11(){

    }
}