#ifndef CORE_COMPONENTS_H
#define CORE_COMPONENTS_H

#include "core/HashMap.h"
#include "core/List.h"

typedef size_t CoreEntity;

typedef struct {
    CoreHashMap entityToIndex;
    CoreList indexToEntity;
    CoreList components;
} CoreComponents;

typedef struct {
    CoreEntity entity;
    void* component;
} CoreComponentNode;

typedef struct {
    const CoreEntity* indexToEntity;
    const CoreEntity* indexToEntityEnd;
    void* component;
    void* componentEnd;
    size_t componentSize;
    CoreComponentNode node;
} CoreComponentIterator;

void coreInitComponents(CoreComponents* c, size_t componentSize);
void coreDestroyComponents(CoreComponents* c);
void* coreComponentsGetOrAdd(CoreComponents* c, CoreEntity e);
void* coreComponentsSearch(CoreComponents* c, CoreEntity e);
bool coreComponentsRemove(CoreComponents* c, CoreEntity e);
void coreInitComponentsIterator(CoreComponentIterator* ci, CoreComponents* c);
bool coreComponentsHasNext(CoreComponentIterator* ci);
CoreComponentNode* coreComponentsNext(CoreComponentIterator* ci);
void* coreComponentsBegin(CoreComponents* c);
void* coreComponentsEnd(CoreComponents* c);

#endif