/*
 * This file is part of VoidArchiveTool.
 *
 * Copyright (C) 2025 Yanczi
 *
 * Void Archive Toolis free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#pragma once

#include <vector>
#include <cstdint>
#include <cstring>
#include <stdexcept>
#include <algorithm>
#include <iostream>

#include "EncryptionManager.h"
#include "CompressionManager.h"

#define BLOCK_SIZE          131072 // 128KB

class ChunkManager
{
public:
	ChunkManager(EncryptionManager& em);
	~ChunkManager();

	// Podział na chunki
	std::vector<char> chunked(const std::vector<char>&, const bool&, const bool&);

	// Zcalanie chunków
	std::vector<char> dechunked(const std::vector<char>&, const bool&, const bool&);

private:
	EncryptionManager eman;
	CompressionManager cman;

	// Przekonwertuj zmienną na ciąg na vector
	template <typename T>
	void addIntToVector(std::vector<char>& vec, const T& val)
	{
		size_t tmpSize = vec.size();
		vec.resize(tmpSize + sizeof(val));
		std::memcpy(vec.data() + tmpSize, &val, sizeof(val));
	}

	// Pobierz zmienną z vectora
	template <typename T>
	T getIntFromVector(const std::vector<char>& vec, size_t& offset)
	{
		T tmp{};
		std::memcpy(&tmp, vec.data() + offset, sizeof(tmp));
		offset += sizeof(tmp);
	
		return tmp;
	}
};