package org.simantics.district.network;

import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.db.common.utils.OrderedSetUtils;
import org.simantics.db.exception.DatabaseException;
import org.simantics.diagram.stubs.DiagramResource;
import org.simantics.district.network.ontology.DistrictNetworkResource;
import org.simantics.layer0.Layer0;

public class DistrictNetworkUtil {

    public static Resource createEdge(WriteGraph graph, Resource composite) throws DatabaseException {
        Layer0 L0 = Layer0.getInstance(graph);
        DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
        DiagramResource DIA = DiagramResource.getInstance(graph);
        
        Resource edge = graph.newResource();
        graph.claim(edge, L0.InstanceOf, DN.Edge);
        OrderedSetUtils.addFirst(graph, composite, edge);
        graph.claim(composite, L0.ConsistsOf, L0.PartOf, edge);
        return edge;
    }
    
    public static Resource createVertex(WriteGraph graph, Resource composite, double[] coords) throws DatabaseException {
        Layer0 L0 = Layer0.getInstance(graph);
        DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
        DiagramResource DIA = DiagramResource.getInstance(graph);
        Resource vertex = graph.newResource();
        graph.claim(vertex, L0.InstanceOf, DN.Vertex);
        graph.claimLiteral(vertex, DIA.HasLocation, coords);
        OrderedSetUtils.addFirst(graph, composite, vertex);
        graph.claim(composite, L0.ConsistsOf, L0.PartOf, vertex);
        
        return vertex;
    }
}