#pragma once

#include <memory>
#include <imgui.h>
#include <d3d12.h>
#include <dxgi1_6.h>

#include <XCEngine/Core/LayerStack.h>

#include "Theme.h"

namespace XCEngine {
namespace Editor {

class EditorLayer;

class Application {
public:
    static Application& Get();
    
    bool Initialize(HWND hwnd);
    void Shutdown();
    void Render();
    void OnResize(int width, int height);
    
private:
    Application() = default;
    ~Application() = default;
    
    bool CreateDevice();
    bool CreateRenderTarget();
    void CleanupRenderTarget();
    
    HWND m_hwnd = nullptr;
    int m_width = 1280;
    int m_height = 720;
    
    ID3D12Device* m_device = nullptr;
    ID3D12CommandQueue* m_commandQueue = nullptr;
    ID3D12CommandAllocator* m_commandAllocator = nullptr;
    ID3D12GraphicsCommandList* m_commandList = nullptr;
    IDXGISwapChain3* m_swapChain = nullptr;
    ID3D12DescriptorHeap* m_rtvHeap = nullptr;
    ID3D12DescriptorHeap* m_srvHeap = nullptr;
    ID3D12Resource* m_renderTargets[3] = {};
    ID3D12Fence* m_fence = nullptr;
    UINT64 m_fenceValue = 0;
    UINT m_rtvDescriptorSize = 0;
    UINT m_frameIndex = 0;
    
    Core::LayerStack m_layerStack;
    EditorLayer* m_editorLayer = nullptr;
};

}
}