#ifndef BLUELIB_STRING_H_
#define BLUELIB_STRING_H_

#include <blue/core/status.h>
#include <blue/object/object.h>
#include <blue/object/type.h>
#include <ctype.h>

struct b_stream;

#define B_STRING(p)  ((b_string *)(p))

#define B_CSTR(s)    (b_string_create_from_cstr(s))
#define B_RV_CSTR(s) (B_RV(b_string_create_from_cstr(s)))

typedef struct b_string b_string;

typedef enum b_strlen_flags {
	B_STRLEN_NORMAL = 0,
	B_STRLEN_IGNORE_ESC = 0x01u,
	B_STRLEN_IGNORE_MOD = 0x02u,
} b_strlen_flags;

BLUE_API b_string *b_string_create(void);
BLUE_API b_string *b_string_create_from_cstr(const char *s);
BLUE_API b_string *b_string_create_from_c(char c, size_t count);
BLUE_API b_string *b_string_duplicate(const b_string *str);

static inline b_string *b_string_retain(b_string *str)
{
	return B_STRING(b_retain(B_OBJECT(str)));
}
static inline void b_string_release(b_string *str)
{
	b_release(B_OBJECT(str));
}
BLUE_API char *b_string_steal(b_string *str);
BLUE_API b_status b_string_reserve(b_string *str, size_t capacity);
BLUE_API b_status b_string_replace(
	b_string *str, size_t start, size_t length, const char *new_data);
BLUE_API b_status b_string_replace_all(b_string *str, const char *new_data);
BLUE_API b_status b_string_remove(b_string *str, size_t start, size_t length);
BLUE_API b_status b_string_transform(b_string *str, int (*transformer)(int));
static inline b_status b_string_toupper(b_string *str)
{
	return b_string_transform(str, toupper);
}
static inline b_status b_string_tolower(b_string *str)
{
	return b_string_transform(str, tolower);
}
BLUE_API b_status b_string_open_stream(b_string *str, struct b_stream **out);

BLUE_API void b_string_append_s(b_string *dest, const b_string *src);
BLUE_API void b_string_append_cstr(b_string *dest, const char *src);
BLUE_API void b_string_append_cstrf(b_string *dest, const char *format, ...);
BLUE_API void b_string_prepend_cstr(b_string *dest, const char *src);
BLUE_API void b_string_prepend_cstrf(b_string *dest, const char *format, ...);
BLUE_API void b_string_insert_s(b_string *dest, const b_string *src, size_t at);
BLUE_API void b_string_insert_cstr(b_string *dest, const char *src, size_t at);
BLUE_API void b_string_insert_cstrn(
	b_string *dest, const char *src, size_t len, size_t at);
BLUE_API void b_string_insert_cstrf(
	b_string *dest, size_t at, const char *format, ...);
BLUE_API void b_string_clear(b_string *str);

BLUE_API size_t b_string_get_size(const b_string *str, b_strlen_flags flags);
BLUE_API size_t b_string_get_capacity(const b_string *str);

BLUE_API char b_string_front(const b_string *str);
BLUE_API char b_string_back(const b_string *str);

BLUE_API void b_string_pop_back(b_string *str);

BLUE_API const char *b_string_ptr(const b_string *str);
BLUE_API b_string *b_string_substr(const b_string *str, size_t start, size_t len);

BLUE_API char *b_strdup(const char *s);
BLUE_API size_t b_strlen(const char *s, b_strlen_flags flags);

BLUE_API uint64_t b_cstr_hash(const char *s);

#endif