#pragma once

#include "../std.h"
#include "char.h"
#include "cstr.h"

typedef struct str {
    char* data;
    u32 size; // size of data in bytes without \0
    bool isZeroTerminated;
} str;

/// creates str from a string literal
#define STR(LITERAL) str_construct(LITERAL, ARRAY_SIZE(LITERAL) - 1, true)

#define str_construct(DATA, LEN, ZERO_TERMINATED) ((str){ .data = DATA, .size = LEN, .isZeroTerminated = ZERO_TERMINATED })

static const str str_null = str_construct(NULL, 0, 0);

/// copies src content to new string and adds \0 at the end
str str_copy(str src);

/// compares two strings, NullPtr-friendly
bool str_equals(str str0, str str1);

/// allocates new string which is reversed variant of <s>
str str_reverse(str s);

i32 str_seek(str src, str fragment, u32 startIndex);
i32 str_seekReverse(str src, str fragment, u32 startIndex);

i32 str_seekChar(str src, char c, u32 startIndex);
i32 str_seekCharReverse(str src, char c, u32 startIndex);

bool str_startsWith(str src, str fragment);
bool str_endsWith(str src, str fragment);

/// @brief calculates string hash using sdbm32 algorythm (something like lightweight crc32)
/// @return non-cryptografic hash of the string
u32 str_hash32(str s);

str str_toUpper(str src);
str str_toLower(str src);