/* This file is part of Machina.
 * Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
 *
 * Machina is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Machina 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Machina.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "raul/Atom.hpp"
#include "raul/AtomRDF.hpp"

#include "redlandmm/World.hpp"
#include "redlandmm/Model.hpp"

#include "Edge.hpp"
#include "Node.hpp"

namespace Machina {

void
Edge::set(URIInt key, const Raul::Atom& value)
{
	std::cout << "EDGE SET " << key << " = " << value << std::endl;
}

void
Edge::write_state(Redland::Model& model)
{
	using namespace Raul;

	const Redland::Node& rdf_id = this->rdf_id(model.world());
	
	model.add_statement(
		rdf_id,
		"rdf:type",
		Redland::Node(model.world(), Redland::Node::RESOURCE, "machina:Edge"));

	SharedPtr<Node> tail = _tail.lock();
	SharedPtr<Node> head = _head;

	if (!tail || !head)
		return;

	assert(tail->rdf_id(model.world()).is_valid()
	       && head->rdf_id(model.world()).is_valid());

	model.add_statement(rdf_id,
	                    "machina:tail",
	                    tail->rdf_id(model.world()));

	model.add_statement(rdf_id,
	                    "machina:head",
	                    head->rdf_id(model.world()));

	model.add_statement(
		rdf_id,
		"machina:probability",
		AtomRDF::atom_to_node(model, Atom(_probability.get())));
}


} // namespace Machina