package org.simantics.district.network.profile;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.common.NamedResource;
import org.simantics.db.common.request.ResourceRead;
import org.simantics.db.exception.DatabaseException;
import org.simantics.district.network.ontology.DistrictNetworkResource;
import org.simantics.layer0.Layer0;

/**
 * @author Jani Simomaa
 */
public class DynamicVisualisationsRequest extends ResourceRead<Collection<NamedResource>> {

    public DynamicVisualisationsRequest(Resource diagram) {
        super(diagram);
    }

    @Override
    public Collection<NamedResource> perform(ReadGraph graph) throws DatabaseException {
        DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
        Collection<Resource> visualisationResources = graph.getObjects(resource, DN.Diagram_hasVisualisation);
        List<NamedResource> results = new ArrayList<>();
        if (visualisationResources != null && !visualisationResources.isEmpty()) {
            for (Resource visualisationResource : visualisationResources) {
                String name = graph.getRelatedValue(visualisationResource, Layer0.getInstance(graph).HasName);
                results.add(new NamedResource(name, visualisationResource));
            }
        }
        return results;
    }

}