// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, Universität Karlsruhe (TH)
//
// Institute of Telematics
// Universität Karlsruhe (TH)
// Zirkel 2, 76128 Karlsruhe
// Germany
//
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// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
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// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
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//
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// [License]

#ifndef SPOVNETPROPERTIES_H_
#define SPOVNETPROPERTIES_H_

#include <string>
#include <iostream>
#include <streambuf>

using std::string;

namespace ariba {
// forward declaration
class SpoVNetProperties;
}

#include "Identifiers.h"
#include "Name.h"

namespace ariba {

/**
 * This class implements a container that holds all properties of a
 * SpoVNet instance. It may evolve with new features when new features
 * are introduced.
 *
 * @author Sebastian Mies <mies@tm.uka.de>
 */
class SpoVNetProperties {
public:
	enum OverlayType {
		ONE_HOP_OVERLAY = 0,
		CHORD_OVERLAY = 1,
		KADEMLIA_OVERLAY = 2,
	};
private:
	Name name;
	SpoVNetID id;
	uint8_t  type;
	uint16_t idLength;
	NodeID initiator;
	bool hidden;

public:
	/**
	 * This object holds the default settings for a newly created spovnet
	 * instance.
	 */
	const static SpoVNetProperties DEFAULT;

public:
	/**
	 * Constructs a new default SpoVnet property object.
	 */
	SpoVNetProperties() {
		name = Name::random();
		id = name.toSpoVNetId();
		type = ONE_HOP_OVERLAY;
		idLength = 192;
		initiator = NodeID::UNSPECIFIED;
		hidden = false;
	}

	/**
	 * Constructs a new SpoVnet property object.
	 *
	 * TODO: replace with setters! for downwards compatibility
	 */
	/*
	SpoVNetProperties(const Name& name, SpoVNetID id, OverlayType type,
			uint16_t idLength, const NodeID& initiator, bool hidden = false) :
		name(name), id(id), type(type), idLength(idLength),
				initiator(initiator), hidden(hidden) {
	}*/

	/**
	 * Copy constructor.
	 */
	SpoVNetProperties(const SpoVNetProperties& copy) {
		this->name = copy.name;
		this->id = copy.id;
		this->type = copy.type;
		this->idLength = copy.idLength;
		this->initiator = copy.initiator;
		this->hidden = copy.hidden;
	}

	/**
	 * Destructor.
	 */
	~SpoVNetProperties() {
	}

	/**
	 * Returns the canonical SpoVNet name
	 */
	const Name& getName() const {
		return name;
	}

	/**
	 * Returns the SpoVNet id
	 */
	const SpoVNetID& getId() const {
		return id;
	}

	/**
	 * Returns the node id of the initiator of the spovnet.
	 * If the node id is unspecified, the initiator wanted to be anonymous.
	 */
	const NodeID& getInitiator() const {
		return initiator;
	}

	/**
	 * Returns the node identifier length in bites
	 */
	uint16_t getIdentifierLength() const {
		return idLength;
	}

	/**
	 * Returns the overlay type.
	 */
	const OverlayType getBaseOverlayType() const {
		return (OverlayType)type;
	}

	/**
	 * Returns true, if the spovnet is hidden
	 */
	bool isHidden() const {
		return hidden;
	}

	/**
	 * Returns a human readable string representation of the SpoVNet properties
	 *
	 * @return A human readable string representation of the SpoVNet properties
	 */
	std::string toString() const {
		std::ostringstream buf;
		buf << "spovnet"
			<< " name=" << name.toString()
			<< " id=" << id.toString()
				<< " base_overlay_type=" << type << " id_length="
				<< idLength << " initiator=" << initiator
				<< " hidden=" << hidden;
		return buf.str();
	}
};

}

#endif /* SPOVNETPROPERTIES_H_ */