#ifndef BLUE_DS_DICT_H_
#define BLUE_DS_DICT_H_

#include <blue/core/btree.h>
#include <blue/core/macros.h>
#include <blue/core/misc.h>
#include <blue/core/queue.h>
#include <blue/core/status.h>
#include <blue/ds/string.h>

B_DECLS_BEGIN;

#define B_TYPE_DICT (b_dict_get_type())

struct b_dict_p;

B_DECLARE_TYPE(b_dict);

B_TYPE_CLASS_DECLARATION_BEGIN(b_dict)
B_TYPE_CLASS_DECLARATION_END(b_dict)

#define B_DICT_ITEM(k, v) {.key = (k), .value = (v)}
#define B_DICT_ITEM_END   {.key = NULL, .value = NULL}

#define b_dict_foreach(it, dict)                                               \
	for (int z__b_unique_name() = b_dict_iterator_begin(dict, it);         \
	     (it)->key != NULL; b_dict_iterator_next(it))

typedef struct b_dict_iterator {
	b_iterator _base;
	size_t i;
	const b_string *key;
	b_object *value;

	b_dict *_d;
	struct b_dict_p *_d_p;
	b_btree_node *_cbn;
	b_queue_entry *_cqe;
} b_dict_iterator;

typedef struct b_dict_item {
	const char *key;
	b_object *value;
} b_dict_item;

BLUE_API b_type b_dict_get_type(void);

B_TYPE_DEFAULT_CONSTRUCTOR(b_dict, B_TYPE_DICT);

BLUE_API b_dict *b_dict_create_with_items(const b_dict_item *items);

BLUE_API b_status b_dict_put(b_dict *dict, const char *key, b_object *value);
BLUE_API b_status b_dict_put_sk(b_dict *dict, const b_string *key, b_object *value);
BLUE_API b_object *b_dict_at(const b_dict *dict, const char *key);
BLUE_API b_object *b_dict_at_sk(const b_dict *dict, const b_string *key);
BLUE_API b_object *b_dict_get(b_dict *dict, const char *key);
BLUE_API b_object *b_dict_get_sk(b_dict *dict, const b_string *key);

BLUE_API bool b_dict_has_key(const b_dict *dict, const char *key);
BLUE_API bool b_dict_has_skey(const b_dict *dict, const b_string *key);
BLUE_API size_t b_dict_get_size(const b_dict *dict);
BLUE_API bool b_dict_is_empty(const b_dict *dict);

BLUE_API int b_dict_iterator_begin(b_dict *dict, b_dict_iterator *it);
BLUE_API bool b_dict_iterator_next(b_dict_iterator *it);
BLUE_API b_status b_dict_iterator_erase(b_dict_iterator *it);
BLUE_API bool b_dict_iterator_is_valid(const b_dict_iterator *it);

B_DECLS_END;

#endif