#ifndef LIBWORLD_NBT_INTERNAL_H_INCLUDED
#define LIBWORLD_NBT_INTERNAL_H_INCLUDED

#include "nbt.h"
#include "nbt/nbtht.internal.h"

typedef struct {
	size_t len;
	nbt_byte_t *data;
} nbt__byte_array_t;

typedef struct {
	size_t len;
	nbt_int_t *data;
} nbt__int_array_t;

typedef struct {
	size_t len;
	nbt_long_t *data;
} nbt__long_array_t;

typedef struct {
	size_t len;
	char *data;
} nbt__string_t;

typedef struct nbt__compound_tag {
	nbt__ht_t *hash;
} nbt__compound_t;

typedef struct nbt__list_tag {
	size_t cap, len;
	nbt_tag_t **ptags;
} nbt__list_t;

typedef union {
	nbt_byte_t nbt_byte;
	nbt_short_t nbt_short;
	nbt_int_t nbt_int;
	nbt_long_t nbt_long;

	nbt_float_t nbt_float;
	nbt_double_t nbt_double;

	nbt__byte_array_t nbt_byte_array;

	nbt__string_t nbt_string;

	nbt__list_t nbt_list;
	nbt__compound_t nbt_compound;

	nbt__int_array_t nbt_int_array;
	nbt__long_array_t nbt_long_array;
} nbt__any_t;

struct nbt__tag_tag {
	size_t ref;
	nbt_type_t type;
	nbt__any_t value;
};

/* a named tag */
typedef struct {
	nbt_tag_t tag;

	size_t name_length;
	char *name; /* nullable if there is no name (will be written as if the name is empty) */
} nbt__ntag_t;

#define NBT__CHECK_TYPE(_tag, _t, _r, ...) do {           \
  if (!(_tag) || (_tag)->type != _t) { _r(__VA_ARGS__); } \
} while (0)

/* functions */

void nbt__tag_free(nbt_tag_t *tag);

extern const char *const nbt__type_names[];

#endif /* include guard */