#ifndef UTILS_HPP
#define UTILS_HPP


#include <charconv>
#include <cstdint>
#include <filesystem>
#include <format>
#include <string>

namespace utils {

constexpr char fill_char = ' ';

enum just { right,
            left };

std::string pad(std::string s, uint8_t len, just j = just::right);
std::string center(std::string str, uint8_t len);
std::string pBytes(double bytes, bool isKbytes = false);
ssize_t readFile(const std::string& path, char* buffer, size_t maxlen);
ssize_t readFile(const char* path, char* buffer, size_t maxlen);
std::string getFirstDir(const std::string_view& path);

/* reads a number fast and divides it if needed */
template <uint32_t Divider = 1, typename T, size_t N>
inline void fastReadNum(const std::string& path, char (&buf)[N], T& result) {
    readFile(path, buf, N);
    if constexpr (Divider == 1) {
        std::from_chars(buf, buf + N, result);
        return;
    }
    uint64_t temp{};
    std::from_chars(buf, buf + N, temp);
    if constexpr (std::is_floating_point_v<T>)
        result = temp / static_cast<T>(Divider);
    else
        result = static_cast<T>(temp / Divider);
}

inline std::string pNum(const auto num, const uint8_t decs = 0) {
    return std::format("{:.{}f}", num, decs);
}

inline bool fileExists(const std::string_view& path) {
    return std::filesystem::exists(path);
}

}  // namespace utils

#endif