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

#pragma once
#include "scene/SceneItemComponent.hpp"
#include "scene/components/ui/text/UIRichTextLabel.hpp"
#include "input/InputManager.hpp"

#define VN_TEXTBOX_SPEED 25.0f
#define VN_TEXTBOX_SPEED_FASTER 40.0f

namespace Dawn {
  class VNTextboxScroller : public SceneItemComponent {
    public:
      // @optional
      StateProperty<UIRichTextLabel*> label;

      // @optional
      StateProperty<int32_t> visibleLines;

      StateEvent<> eventReadyToClose;
      StateEvent<> eventCharacterRevealed;

      bool_t readyToClose = false;

      size_t lineCurrent = 0;
      float_t timeCharacter = 0.0f;

      VNTextboxScroller(std::weak_ptr<SceneItem> item);
      virtual void onStart() override;

      /**
       * Returns the count of quads, relative to the current visible line to be
       * revealed based on the current time.
       * 
       * @return The count of quads to be revealed.
       */
      int32_t getTotalQuadsToBeRevealed();

      /**
       * Returns true if all of the characters that can be made visible for the
       * current textbox size have finished revealing, or false if not.
       * 
       * @return True if above statement is met.
       */
      bool_t hasRevealedAllCurrentCharacters();

      /**
       * Returns true only when every character passed previously in setText
       * has been revealed by scrolling.
       * 
       * @return True if above statement is true.
       */
      bool_t hasRevealedAllCharacters();
  };
}