package jungle.impl;

import java.util.UUID;
import jungle.core.Jungle;
import jungle.core.TreeGroup;
import jungle.core.graph.Graph;
import jungle.core.graph.Vertex;

public class SimpleJungle implements Jungle
{
	private final Graph graph;
	
	public SimpleJungle(Graph _graph)
	{
		graph = _graph;
	}
	
	@Override
	public TreeGroup createTreeGroup(String _id)
	{
		Vertex vertex = graph.createVertex(_id);
		
		if(vertex == null){
			return null;
		}
		
		return new SimpleTreeGroup(_id,vertex,graph);
	}
	
	@Override
	public TreeGroup getTreeGroupByID(String _id)
	{
		Vertex vertex = graph.getVertex(_id);
		if(vertex != null){
			return new SimpleTreeGroup(_id,vertex,graph);
		}
		
		return null;
	}

	@Override
	public TreeGroup createTreeGroup()
	{
		String groupID = null;
		Vertex vertex = null;
		do{
			groupID = UUID.randomUUID().toString();
			vertex = graph.createVertex(groupID);
		}while(vertex == null);
		
		return new SimpleTreeGroup(groupID,vertex,graph);
	}
}