// TJP COPYRIGHT HEADER

#pragma once

#include <tjp/core/string/StringView.h>
#include <tjp/core/containers/Vector.h>
#include <tjp/core/containers/Optional.hpp>

namespace tjp::core::internet {

using DataBlock = Vector<char>;
using DataView = StringView;

struct Data {
	mutable Optional<DataBlock> block;
	mutable Optional<String> string;
	
	Data()
	{}
	
	Data(DataBlock &&block_) :
		block(std::move(block_))
	{}
	
	Data(String &&string_) :
		string(std::move(string_))
	{}
	
	operator String &() const
	{
		if (!string.has_value())
		{
			if (block.has_value())
				string = String(block->data(), block->size());
			else
				string = String();
		}
			
		return *string;
	}

	operator DataView () const
	{
		if (block.has_value())
			return StringView(block->data(), block->size());

		if (string.has_value())
			return *string;
		
		return {};
	} ;
	
	const char *data() const
	{
		DataView view = *this;
		return view.data();
	}

	const char *c_str() const
	{
		String &view = *this;
		return view.c_str();
	}
	
	const auto size() const
	{
		DataView view = *this;
		return view.size();
	}

	
};

} // namespace