#pragma once
#include <mutex>
#include <vector>
#include <optional>
#include <functional>

#include "random_generator.hpp"

namespace fuzzer
{
	using input_score = uint64_t;
	using input_handler = input_score(std::span<const uint8_t>);

	struct input_entry
	{
		std::vector<uint8_t> data{};
		input_score score{};
	};

	class input_generator
	{
	public:
		input_generator();

		void access_input(const std::function<input_handler>& handler);

		input_entry get_highest_scorer();
		double get_average_score();

	private:
		std::mutex mutex_{};
		random_generator rng{};

		std::vector<input_entry> top_scorer_{};
		input_score lowest_score{0};
		size_t lowest_scorer{0};

		input_entry highest_scorer_{};

		std::vector<uint8_t> generate_next_input();

		void store_input_entry(input_entry entry);
	};
}