#pragma once

#include "npc/NpcDataLoader.h"
#include <frostbite2D/2d/actor.h>
#include <frostbite2D/2d/canvas_actor.h>
#include <frostbite2D/animation/animation.h>
#include <string>

namespace frostbite2D {

class NpcAnimation : public Actor {
public:
  struct CompositeFrameInfo {
    bool valid = false;
    Rect localBounds;
    Vec2 originInTexture = Vec2::Zero();
    Vec2 groundAnchorInTexture = Vec2::Zero();
    int width = 1;
    int height = 1;
  };

  bool Init(const npc::NpcConfig& config);
  void Update(float deltaTime) override;
  void Render() override;
  void SetDirection(int direction);
  bool IsReady() const { return displayAnimation_ != nullptr; }
  bool IsAnimationFinished() const;
  const std::string& GetAnimationPath() const { return animationPath_; }
  bool GetDisplayLocalBounds(Rect& outBounds) const;
  bool EnsureCompositeTextureReady();
  bool HasCompositeTexture() const;
  Ptr<Texture> GetCompositeTexture() const;
  Vec2 GetCompositeTextureSize() const;
  Vec2 GetCompositeGroundAnchorInTexture() const;
  uint64 GetCompositeVersion() const { return compositeVersion_; }

private:
  CompositeFrameInfo ComputeCompositeFrameInfo(int direction) const;
  CompositeFrameInfo GetCurrentCompositeFrameInfo() const { return compositeFrameInfo_; }
  uint64 CaptureCurrentRenderSignature() const;
  void MarkCompositeDirty();
  void UpdateCompositeCamera();
  void RefreshCompositeTextureIfNeeded();
  void RenderCurrentAnimationToCompositeCanvas();

  RefPtr<Animation> displayAnimation_ = nullptr;
  RefPtr<CanvasActor> compositeCanvas_ = nullptr;
  CompositeFrameInfo compositeFrameInfo_;
  std::string animationPath_;
  int direction_ = 1;
  bool compositeDirty_ = true;
  uint64 compositeVersion_ = 0;
  uint64 lastCompositeSignature_ = 0;
};

} // namespace frostbite2D