#ifndef WORLD_H
#define WORLD_H

#include <stdlib.h>

#include <jansson.h>

#include "error.h"
#include "entity/registry.h"
#include "entity/entity.h"

#define MAX_ENTITIES 256

struct world_t {
    struct entity_t entities[MAX_ENTITIES];
    struct entity_registry_t registered_entities;

    size_t height;
    size_t width;
};

enum error_t world_init(struct world_t *, size_t, size_t);
void world_free(struct world_t *);

// json_t doesn't store the json data itself; the value of the pointer is
// apparently needed for jansson to use the data, so I need a double pointer
//
// TODO
// Right now, to serialise and deserialise again you have to call:
// 1. world_serialise()   | world_t -> json_t
// 2. json_dumpX()        |  json_t -> char *
// 3. json_loadX()        |  char * -> json_t
// 4. world_deserialise() |  json_t -> world_t
//
// Perhaps these two functions should go directly between world_t and char *
enum error_t world_serialise(struct world_t *, struct json_t **);
enum error_t world_deserialise(struct world_t *, struct json_t *);

enum error_t world_register_entity(struct world_t *, char const *, char);
enum error_t world_place_entity(struct world_t *, size_t, size_t, size_t);

#endif