#pragma once

#include "Craft/Common.h"
#include "Craft/ComponentManager.h"
#include <vector>

namespace craft {

class EEntity;

class WWorld {
public:
  WWorld();
  virtual ~WWorld();
  virtual void Begin();
  virtual void Tick(float deltaTime);
  virtual void FixedTick();

  inline bool HasBegun() const { return mHasBegun; }

  ////////// ENTITIES
  entId    GetNextEntityId();
  void     Reset();
  EEntity &GetEntity(entId id);

  template <typename T>
  entId  SpawnEntity();
  void   DestroyEntity(entId id);
  size_t GetTotalEntities();

  template <typename T>
  ComponentManager<T> &GetComponentManager() {
    static ComponentManager<T> manager;
    return manager;
  }

private:
  bool                         mHasBegun;
  Dict<entId, unique<EEntity>> mEntities;
  std::vector<unique<EEntity>> mPendingEntities;

  ////////// Static
  entId sNextEntityId;
};

////////// IMPLEMENTATIONS

template <typename T>
unsigned int WWorld::SpawnEntity() {
  auto &entity = mPendingEntities.emplace_back(std::make_unique<T>());
  return entity->Id;
}

} // namespace craft