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.DistrictNetworkUtil;
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 parent) {
        super(parent);
    }

    @Override
    public Collection<NamedResource> perform(ReadGraph graph) throws DatabaseException {
        DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
        List<NamedResource> results = new ArrayList<>();
        Resource visualisationFolder = DistrictNetworkUtil.getVisualisationFolder(graph, resource);
        if (visualisationFolder != null) {
            Collection<Resource> visualisationResources = graph.getObjects(visualisationFolder, DN.Diagram_hasVisualisation);
            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;
    }

}