#pragma once

#ifndef RAND_H
#define RAND_H

#include <vector>
#include <algorithm>

struct IPRangeHolder {
	unsigned int ip1;
	unsigned int ip2;
};

class IPRandomizer
{
private:
		std::vector<IPRangeHolder> ipRangeVec;
		std::vector<unsigned int> shuffledRange;
		std::vector<unsigned int> shuffleOffset;
		int shuffleGap = 20000;
private:
	void shuffleRange();
public:
	IPRandomizer(std::vector<IPRangeHolder> ipRangeVec, int shuffleGap = 20000);
	IPRandomizer(std::vector<IPRangeHolder> ipRangeVec);
	~IPRandomizer();

	unsigned int getNext();
};

#endif