#ifndef R2_CONFIG_H
#define R2_CONFIG_H

#include "r_types.h"
#include "r_util.h"

#ifdef __cplusplus
extern "C" {
#endif

R_LIB_VERSION_HEADER(r_config);

#define CN_BOOL  0x000001
#define CN_INT   0x000002
#define CN_STR   0x000008
#define CN_RO    0x000010
#define CN_RW    0x000020

#if LEFTOVER_FOR_MY_FUTURE_SELF
// type != attrib
#define R_CONFIG_NODE_TYPE_BOOL  0x000001
#define R_CONFIG_NODE_TYPE_INT   0x000002
#define R_CONFIG_NODE_TYPE_STR   0x000008
#define R_CONFIG_NODE_TYPE_RO    0x000010
#define R_CONFIG_NODE_TYPE_RW    0x000020
#endif

typedef bool (*RConfigCallback)(void *user, void *data);

typedef struct r_config_node_t {
	char *name;
	ut32 flags;
	char *value;
	ut64 i_value;
	ut64 *cb_ptr_q;
	int *cb_ptr_i;
	char **cb_ptr_s;
	RConfigCallback getter;
	RConfigCallback setter;
	char *desc;
	RList *options;
} RConfigNode;

R_API const char *r_config_node_type(RConfigNode *node);

typedef struct r_config_t {
	void *user;
	RNum *num;
	RList *nodes;
	HtPP *ht;
	bool lock;
	bool sorted; // nodes list is sorted by name, cleared by every insertion
	/*was the struct modified after the last project save*/
	R_DIRTY_VAR;
} RConfig;

typedef struct r_config_hold_t {
	RConfig *cfg;
	RList *list;
} RConfigHold;

#ifdef R_API

// TODO: simplify this API?
R_API RConfigHold* r_config_hold_new(RConfig *cfg);
R_API bool r_config_hold(RConfigHold *h, ...);
R_API void r_config_hold_free(RConfigHold *h);
R_API void r_config_hold_restore(RConfigHold *h);

R_API RConfig *r_config_new(void *user);
R_API RConfig *r_config_clone(RConfig *cfg);
R_API void r_config_free(RConfig *cfg);

R_API void r_config_lock(RConfig *cfg, bool lock);
R_API char *r_config_eval(RConfig *cfg, const char *str, bool many, bool * R_NULLABLE error);
R_API void r_config_bump(RConfig *cfg, const char *key);
R_API bool r_config_get_b(RConfig *cfg, const char *name);
R_API RConfigNode* r_config_set_b(RConfig *cfg, const char *name, bool b);
R_API RConfigNode *r_config_set_i(RConfig *cfg, const char *name, const ut64 i);

R_API RConfigNode *r_config_set_cb(RConfig *cfg, const char *name, const char *value, RConfigCallback cb);
R_API RConfigNode *r_config_set_i_cb(RConfig *cfg, const char *name, int ivalue, RConfigCallback cb);
R_API RConfigNode *r_config_set_b_cb(RConfig *cfg, const char *name, bool bvalue, RConfigCallback cb);

R_API RConfigNode *r_config_set(RConfig *cfg, const char *name, const char *value);
R_API bool r_config_rm(RConfig *cfg, const char *name); // rename to unset
R_API ut64 r_config_get_i(RConfig *cfg, const char *name);
R_API const char *r_config_get(RConfig *cfg, const char *name);
R_API RConfigNode *r_config_desc(RConfig *cfg, const char *name, const char *desc);
R_API char *r_config_list(RConfig *cfg, const char *str, int rad);

R_API bool r_config_toggle(RConfig *cfg, const char *name);
R_API bool r_config_readonly(RConfig *cfg, const char *key);

// TODO Move to RConfigNode for consistency
R_API bool r_config_set_setter(RConfig *cfg, const char *key, RConfigCallback cb);
R_API bool r_config_set_getter(RConfig *cfg, const char *key, RConfigCallback cb);

R_API void r_config_serialize(RConfig * R_NONNULL config, Sdb * R_NONNULL db);
R_API bool r_config_unserialize(RConfig * R_NONNULL config, Sdb * R_NONNULL db, char ** R_NULLABLE err);

// RConfigNode
R_API RConfigNode *r_config_node_desc(RConfigNode *node, const char *desc);
R_API char *r_config_node_tostring(RConfigNode *node);
R_API void r_config_node_add_option(RConfigNode *node, const char *option);
R_API void r_config_node_purge_options(RConfigNode *node);

R_API RConfigNode *r_config_node_get(RConfig *cfg, const char *name);
R_API RConfigNode *r_config_node_new(const char *name, const char *value);
R_API void r_config_node_free(void *n);
R_API void r_config_node_value_format_i(char *buf, size_t buf_size, const ut64 i, RConfigNode * R_NULLABLE node);

static inline bool r_config_node_is_bool(RConfigNode *R_NONNULL node) {
	return node->flags & CN_BOOL;
}
static inline bool r_config_node_is_int(RConfigNode *R_NONNULL node) {
	return node->flags & CN_INT;
}
static inline bool r_config_node_is_ro(RConfigNode * R_NONNULL node) {
	return node->flags & CN_RO;
}
static inline bool r_config_node_is_str(RConfigNode * R_NONNULL node) {
	return node->flags & CN_STR;
}
#endif

#ifdef __cplusplus
}
#endif

#endif