#pragma once

#include <sodium.h>
#include <vector>
#include <array>
#include <stdexcept>
#include <fstream>
#include <ctime>
#include <iostream>
#include <boost/crc.hpp>
#include "DataStruct.h"

class EncryptionManager
{
public:
	EncryptionManager();
	~EncryptionManager() = default;

	std::vector<char> encrypt(const std::vector<char>&);
	//std::vector<char> decrypt(const std::vector<char>&);

	void saveKey(const std::string&);
	void loadKey(const std::string&);

private:
	std::array<unsigned char, crypto_stream_chacha20_ietf_KEYBYTES> key{};
	std::array<unsigned char, crypto_stream_chacha20_ietf_NONCEBYTES> nonce{};
	bool keyReady;

	void generateKeys();
	uint16_t crc16(const std::vector<char>&);
};