#ifndef MT_STATE_H
#define MT_STATE_H

#include <tag_registry.h>
#include <entity.h>

#include <librr/types.h>
#include <librr/alloc/generic.h>

typedef struct MtState          MtState;
typedef bool_t (*MtQueryMatcherFn) (MtEntity *entity, void *userdata);

struct MtState
{
    char                       *app_name;

    MtTagRegistry               tag_registry;
    MtEntityRegistry            entity_registry;
};

MtState * mt_initialize(char *app_name);
void mt_cleanup(MtState *state);
void mt_start(MtState *state);

MtEntity * mt_summon(MtState *state);
void mt_drop(MtEntity *entity);

usz_t mt_query(MtState *state, const char **tags, MtEntity **entities, usz_t count);
usz_t mt_match_query(MtState *state, const char **tags, MtEntity **entities, usz_t count, MtQueryMatcherFn matcher, void *userdata);

#endif // MT_STATE_H