#pragma once

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

#include "Theme.h"
#include "panels/Panel.h"
#include "panels/MenuBar.h"
#include "panels/HierarchyPanel.h"
#include "panels/SceneViewPanel.h"
#include "panels/GameViewPanel.h"
#include "panels/InspectorPanel.h"
#include "panels/ConsolePanel.h"
#include "panels/ProjectPanel.h"

namespace UI {

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();
    void SetupDockspace();
    void RenderUI();
    
    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;
    
    std::unique_ptr<MenuBar> m_menuBar;
    std::unique_ptr<HierarchyPanel> m_hierarchyPanel;
    std::unique_ptr<SceneViewPanel> m_sceneViewPanel;
    std::unique_ptr<GameViewPanel> m_gameViewPanel;
    std::unique_ptr<InspectorPanel> m_inspectorPanel;
    std::unique_ptr<ConsolePanel> m_consolePanel;
    std::unique_ptr<ProjectPanel> m_projectPanel;
};

}