// Copyright (c) 2023 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#pragma once
#include "scene/Scene.hpp"
#include "prefabs/SimpleSpinningCubePrefab.hpp"
#include "prefabs/ui/debug/FPSLabel.hpp"
#include "scene/components/ui/UIImage.hpp"
#include "display/font/BitmapFont.hpp"

#include "display/font/NewTrueType.hpp"

namespace Dawn {
  class HelloWorldScene : public Scene {
    protected:
      Camera *camera;
      SimpleSpinningCubePrefab *cube;
      FT_Face face;
      Texture texture;
      std::map<FT_ULong, struct TrueTypeCharacterInfo> charStore;

      SceneItem *item;

      void stage() override {
        camera = Camera::create(this);
        camera->transform->lookAt(glm::vec3(3, 3, 3), glm::vec3(0, 0, 0));

        // cube = SimpleSpinningCubePrefab::create(this);

        item = this->createSceneItem();
        auto meshRenderer = item->addComponent<MeshRenderer>();
        auto quadMeshHost = item->addComponent<QuadMeshHost>();
        auto material = item->addComponent<SimpleTexturedMaterial>();

        if(FT_New_Face(
          this->game->renderManager.getFontManager()->fontLibrary,
          "C:\\Windows\\Fonts\\Arial.ttf",
          0,
          &face
        )) {
          assertUnreachable();
        }
        if(FT_Set_Pixel_Sizes(face, 0, 16)) {
          assertUnreachable();
        }

        _newTrueTypePlaceholder(face, texture, charStore);
        FT_ULong c = 'B';
        auto x = charStore[c];
        glm::vec2 wh = glm::vec2(texture.getWidth(), texture.getHeight());
        quadMeshHost->uv0 = glm::vec2(0.0f, x.textureY) / wh;
        quadMeshHost->uv1 = (glm::vec2)quadMeshHost->uv0 + (x.bitmapSize / wh);
        std::cout << "Done" << std::endl;
        material->texture = &texture;
      }
      
      std::vector<Asset*> getRequiredAssets() override {
        auto assMan = &this->game->assetManager;
        std::vector<Asset*> assets;
        vectorAppend(&assets, SimpleSpinningCubePrefab::getRequiredAssets(assMan));
        return assets;
      }

    public:
      HelloWorldScene(DawnGame *game) : Scene(game) {}
  };
}