#ifndef PKE_ECS_HPP
#define PKE_ECS_HPP

#include "array.hpp"
#include "dynamic-array.hpp"
#include "pk.h"
#include "components.hpp"

#include "glm/vec3.hpp"

extern DynArray<Entity_Base *> EntitiesToBeRemoved;
extern DynArray<Entity_Base *> EntitiesWithExcessInstances;

void ECS_Init();
void ECS_Teardown();
void ECS_Tick_Early(double delta);
void ECS_Tick(double delta);
void ECS_Tick_Late(double delta);

Entity_Base *ECS_CreateGenericEntity();
EntityHandle ECS_CreateEntity(Entity_Base *entity, Entity_Base *parentEnt = nullptr);
Entity_Base *ECS_GetEntity(EntityHandle handle);
void ECS_MarkForRemoval(Entity_Base *entity);

void ECS_HandleCollision(CompInstance *lhs, CompInstance *rhs);

CompGrBinds *ECS_CreateGrBinds(Entity_Base *);
CompGrBinds *ECS_GetGrBinds(GrBindsHandle grBindsHandle);
void ECS_GetGrBinds(Entity_Base *entity, PkeArray<CompGrBinds *> &arr);
uint64_t ECS_GetGrBinds_BucketCount();
CompGrBinds *ECS_GetGrBinds(uint64_t bucketIndex, uint64_t &itemCount);

CompInstance *ECS_CreateInstance(Entity_Base *entity, CompGrBinds *entityTypeGrBinds);
CompInstance *ECS_GetInstance(InstanceHandle instanceHandle);
void ECS_GetInstances(Entity_Base *entity, PkeArray<CompInstance *> &arr);
void ECS_UpdateInstance(CompInstance *instance, const InstPos &instPos, bool overridePhysics = false);
uint64_t ECS_GetInstances_BucketCount();
CompInstance *ECS_GetInstances(uint64_t bucketIndex, uint64_t &itemCount);

#endif /* PKE_ECS_HPP */