#ifndef FORTUNA_ACCUMULATOR_H
#define FORTUNA_ACCUMULATOR_H

#include "generator.h"
#include "pool.h"
#include <algorithm>
#include <exception>
#include <fmt/core.h>

namespace fortuna {
namespace accumulator {

class Accumulator {
private:
	fortuna::generator::Generator *Gen;

public:
	constexpr static const unsigned int init_pool_num{0};

	auto add_source() -> void;

	auto set_gen(fortuna::generator::Generator& Gen) -> void {
		this->Gen = std::move(&Gen);
	}

	auto get_random_data(uint n_bytes) -> std::string {
		std::string data{""};
		try {
			data = this->Gen->generate_random_data(n_bytes);
		} catch(std::exception& e) {
			fmt::print("{}", e.what());
		}
		return data;
	}

	auto call_reseed(const std::string& seed) -> void {
		try {
			this->Gen->reseed(seed);
		} catch(std::exception& e) {
			fmt::print("{}", e.what());
		}
	}
	Accumulator();
	~Accumulator() noexcept;

}; //class Accumulator

} //namespace accumulator
} //namespace fortuna

#endif//FORTUNA_ACCUMULATOR_H