#include <state.h>
#include <librr/strutil.h>
#include <librr/memory.h>
#include <stdlib.h>

MtState * mt_initialize(char *app_name)
{
    if(app_name == NULL)
    {
        app_name = "Unnamed Application";
    }
    usz_t len_app_name = rr_measure_string(app_name);
    MtState *state = malloc(sizeof(struct MtState));

    state->app_name = malloc(len_app_name + 1);
    rr_memcopy(state->app_name, app_name, len_app_name + 1);
    state->tag_registry = mt_create_tag_registry(state);
    state->entity_registry = mt_create_entity_registry();

    return state;
}

void mt_cleanup(MtState *state)
{
    mt_delete_entity_registry(&state->entity_registry);
    mt_delete_tag_registry(state->tag_registry);
    if(state->app_name != NULL)
        free(state->app_name);
    free(state);
}

/* TODO: This function should start a new thread with a worker system.
void mt_start(MtState state)
{
    
}
*/

MtEntity * mt_summon(MtState *state)
{
    return mt_create_entity(state, state->entity_registry.entity_id_counter++);
}

void mt_drop(MtEntity *entity)
{
    MtState *state = entity->parent_state;

    mt_delete_entity_data(entity);
    mt_give_back_entity_pool_slot(&state->entity_registry.pool, state->entity_registry.pool.first_free);
}