#pragma once

#include "Platform/D3D12WindowRenderer.h"
#include "UI/ImGuiBackendBridge.h"
#include "UI/ImGuiSession.h"

#include <memory>
#include <string>
#include <windows.h>

#include <XCEngine/Core/LayerStack.h>

namespace XCEngine {
namespace Editor {

class EditorLayer;
class IEditorContext;

class Application {
public:
    static Application& Get();
    
    bool Initialize(HWND hwnd);
    void Shutdown();
    void Render();
    void OnResize(int width, int height);
    HWND GetWindowHandle() const { return m_hwnd; }
    
    IEditorContext& GetEditorContext() const { return *m_editorContext; }
    
private:
    Application() = default;
    ~Application() = default;
    bool InitializeWindowRenderer(HWND hwnd);
    void InitializeEditorContext(const std::string& projectPath);
    void InitializeImGui(HWND hwnd);
    void AttachEditorLayer();
    void DetachEditorLayer();
    void ShutdownEditorContext();
    void RenderEditorFrame();
    void UpdateWindowTitle();
    
    HWND m_hwnd = nullptr;
    
    Core::LayerStack m_layerStack;
    EditorLayer* m_editorLayer = nullptr;
    std::shared_ptr<IEditorContext> m_editorContext;
    Platform::D3D12WindowRenderer m_windowRenderer;
    UI::ImGuiBackendBridge m_imguiBackend;
    UI::ImGuiSession m_imguiSession;
    uint64_t m_exitRequestedHandlerId = 0;
    std::wstring m_lastWindowTitle;
};

}
}