package org.simantics.graph.compiler.internal.templates;

import java.util.Collection;

import org.simantics.graph.compiler.ExternalFileLoader;
import org.simantics.graph.compiler.internal.ltk.Problem;
import org.simantics.graph.query.IGraph;
import org.simantics.graph.query.Paths;
import org.simantics.graph.store.GraphStore;

public enum OrderedSetTemplate implements ITemplate {
	
	INSTANCE;
	
	@Override
	public void apply(IGraph graph, GraphStore store,
			int[] parameters, ExternalFileLoader fileLoader, Collection<Problem> problems) {
		createList(graph.getPaths(), store, parameters);
	}
	
	public static void createList(Paths paths, GraphStore store, int[] parameters) {
		int InverseOf = store.identities.createPathToId(paths.InverseOf);
		int SubrelationOf = store.identities.createPathToId(paths.SubrelationOf);
		int HasNext = store.identities.createPathToId(paths.HasNext);
		int HasPrevious = store.identities.createPathToId(paths.HasPrevious);
		
		int relation = parameters[0];		
		store.statements.add(relation, SubrelationOf, HasNext);
		int inverse = store.identities.newResource();
		store.statements.add(inverse, SubrelationOf, HasPrevious);
		store.statements.add(relation, InverseOf, inverse);
		store.identities.defineChild(relation, "Inverse", inverse);
		
		for(int i=1;i<parameters.length;++i)
			store.statements.add(parameters[i-1], relation, parameters[i]);
		store.statements.add(parameters[parameters.length-1], relation, relation);
	}

}