#ifndef NETWORK_DNS_DATA_H
#define NETWORK_DNS_DATA_H

#include <vector>
#include <cstdint>
#include <iostream>

namespace Network {
namespace Dns {

class Data
{
public:
	Data();
	Data(const std::vector<uint8_t>& data);
	Data(const uint8_t* msg, unsigned length);
	Data(const Data& data);

	Data& operator=(Data other);

	uint8_t& GetAt(unsigned pos);
	const uint8_t& GetAt(unsigned pos) const;
	uint16_t& GetAt16(unsigned pos);
	const uint16_t& GetAt16(unsigned pos) const;
	uint32_t& GetAt32(unsigned pos);
	const uint32_t& GetAt32(unsigned pos) const;

	const uint8_t* GetPtr() const;
	unsigned GetLength() const;

	void append(const Data& data);
	void append(uint8_t value);
	void append(uint16_t value);
	void append(uint32_t value);
	void append(uint64_t value);

	template<typename Arg1, typename ...Args>
	void append(Arg1 value, Args ...args)
	{
		append(value);
		append(args...);
	}

	void prepend(const Data& data);

	void swap(Data& x) noexcept;

	friend std::ostream& operator<<(std::ostream& stream, const Data& data);

private:
	std::vector<uint8_t> m_data;
};

} // namespace Dns
} // namespace Network

#endif // NETWORK_DNS_DATA_H