#ifndef FORTUNA_GENERATOR_H
#define FORTUNA_GENERATOR_H

#include <string>

namespace fortuna {
namespace generator {

class Generator {
public:
	void initialize_generator();
	auto generate_blocks(unsigned int k_blocks) -> std::string;

private:
	struct G_state;

	auto reseed(const std::string& s) -> void;

	auto do_sha(const std::string& k_n_s) -> std::string;

	#pragma GCC diagnostic push
	#pragma GCC diagnostic ignored "-Wpedantic"
	auto do_crypto(int64_t k, unsigned __int128 ctr) -> std::string;
	#pragma GCC diagnostic pop

	/* n is the number of random bytes to generate */
	auto generate_random_data(uint n) -> std::string;

protected:
	auto get_state() -> Generator::G_state;

}; // class generator

} //namespace generator
} //namespace fortuna
#endif//FORTUNA_GENERATOR_H