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

#pragma once
#include "ui/UIAlign.hpp"
#include "display/shader/UIShader.hpp"
#include "component/ui/UICanvas.hpp"

namespace Dawn {
  class UIComponent {
    protected:
      /**
       * Virtual method overridden by the UIComponent to get the quads for the
       * component.
       * 
       * @param t The translation of this component already applied.
       * @param ctx The canvas to add the quads to.
       */
      virtual void getSelfQuads(const glm::vec2 t, UICanvas &ctx) = 0;

      /**
       * Virtual method overridden by the UIComponent to get the children of
       * this component.
       */
      virtual std::vector<std::shared_ptr<UIComponent>> getChildren();

      /**
       * Method called by the UICanvas to get the quads for this component.
       * 
       * @param parent The parent translation to apply to the component.
       * @param ctx The canvas to add the quads to.
       */
      void getQuads(const glm::vec2 parent, UICanvas &ctx);

    public:
      glm::vec2 position;

      friend class UICanvas;
  };
}