#pragma once

#include "cve_model.hpp"

#include <memory>

namespace cve {

  struct Transform2dComponent {
    glm::vec2 translation{}; // Position offset
    glm::vec2 scale{1.f, 1.f};
    float rotation;
    
    glm::mat2 mat2() {
      const float s = glm::sin(rotation);
      const float c = glm::cos(rotation);
      glm::mat2 rotMatrix{{c, s}, {-s, c}};
      
      glm::mat2 scaleMat{{scale.x, .0f}, {.0f, scale.y}};
      return rotMatrix*scaleMat;
    };
  };

  class CveGameObject {
    public:
      using id_t = unsigned int;

      static CveGameObject createGameObject() {
        static id_t currentId = 0;
        return CveGameObject{currentId++};
      }

      CveGameObject(const CveGameObject &) = delete;
      CveGameObject &operator=(const CveGameObject &) = delete;
      CveGameObject(CveGameObject &&) = default;
      CveGameObject &operator=(CveGameObject &&) = default;

      const id_t getId() { return id; }

      std::shared_ptr<CveModel> model{};
      glm::vec3 color;
      Transform2dComponent transform2d{};

    private:
      CveGameObject(id_t objID) : id{objID} {}
      id_t id;
  };
}