#ifndef CHOCOLATE_CHOCOLATE_H
#define CHOCOLATE_CHOCOLATE_H

#include <Magnum/Math/Time.h>
#include <Magnum/GL/Mesh.h>
#include <Magnum/Platform/Sdl2Application.h>
#include <Magnum/SceneGraph/Drawable.h>
#include <Magnum/SceneGraph/Scene.h>
#include <Magnum/Shaders/PhongGL.h>
#include <Magnum/ImGuiIntegration/Context.hpp>

#include "Camera.h"
#include "Materials.h"
#include "UI.h"

using namespace Magnum;
using namespace Math::Literals;

class Chocolate: public Platform::Application {
public:
    virtual ~Chocolate() = default;
    explicit Chocolate(const Arguments& arguments);

private:
    //SDL 2 events
    void drawEvent() override;
    void tickEvent() override;
    void viewportEvent(ViewportEvent& event) override;
    void pointerPressEvent(PointerEvent& event) override;
    void pointerReleaseEvent(PointerEvent& event) override;
    void pointerMoveEvent(PointerMoveEvent& event) override;
    void keyPressEvent(KeyEvent& event) override;
    void keyReleaseEvent(KeyEvent& event) override;
    void textInputEvent(TextInputEvent& event) override;

    // Render
    void RenderToFramebuffer(GL::Framebuffer& framebuffer);

    // UI
    void DrawUI();
    void ResizeUI(Vector2i windowSize);

    //Systems
    void UpdateMagnumObjects();

    // Callbacks
    void Import(const std::string& file);
    void EntitySelected(entt::entity entity);

    //Scene
    Scene3D _scene;
    SceneGraph::DrawableGroup3D _drawables;
    Camera _camera;

    // Resources
    std::vector<std::unique_ptr<GL::Mesh>> _meshes;
    std::vector<std::unique_ptr<GL::Texture2D>> _textures;
    std::unordered_map<std::string, PhongMaterialConfig> _materials;

    Shaders::PhongGL _phongShader;

    entt::registry _registry;

    ImGuiIntegration::Context _imgui{NoCreate};
    float _sidebarWidth = 0.17f;
    std::vector<UI::Component*> _uiComponents;
    UI::RenderWindow _uiSceneRenderer;
    UI::EntityListPanel _uiEntityListPanel;
    UI::EntityEditorWindow _uiEntityEditorWindow;
};


#endif //CHOCOLATE_CHOCOLATE_H