#ifndef RABIN_FINGERPRINT_H
#define RABIN_FINGERPRINT_H

#include <stdint.h>
#include <bitset>
#include <math.h>
#include <stdexcept>

class Rabin_fingerprint {
    public:
        Rabin_fingerprint(uint32_t polynomial, size_t window_size_in_bits);

        void push_char (char c);
        void push_bit (bool b);
        void shift_bit (bool b);
        void slide_char (char c_in, char c_out);
        void slide_bit (bool b_in, bool b_out);

        uint32_t get_fingerprint();

    private:
        void set_modulo_polynomial (uint32_t p);
        void set_shift_polynomial (size_t window_size_in_bits);

        uint32_t fingerprint = 0;
        uint32_t polynomial = 0;
        uint32_t shift_polynomial = 0;
};

#endif