#pragma once

#include <bigmath/BigMath.hpp>

namespace bigmath {

    /**
     * A segment contains a fixed amount of numbers.
     */
    class segment {
    public:

        static const u8 digit_count;
        static const u8 byte_count;

    private:

        u8 digits[64];

    public:

        segment();

        segment(u64 n);

        segment(std::string_view str);

        segment(const segment& s);

        ~segment();

    public:

        u8 operator[](u8 i) const;

        void set(u8 i, u8 n);

        u8 add(const segment& s, u8 carry);

        u8 sub(const segment& s, u8 borrow);

        std::array<segment, 2> mul_long(const segment& s) const;

        i8 compare(const segment& s) const;

        bool isZero() const noexcept;

    public:

        const u8* bytes() const;

        const u8* begin() const;

        const u8* end() const;

        operator std::string() const;

    };

}