/*******************************************************************************
 * Copyright (c) 2007, 2011 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.issues.ui;

import java.util.Collections;
import java.util.Map;

import org.eclipse.jface.resource.ImageDescriptor;
import org.simantics.browsing.ui.common.ColumnKeys;
import org.simantics.browsing.ui.model.images.ImageRule;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.variable.Variable;
import org.simantics.issues.ontology.IssueResource;
import org.simantics.silk.SilkResources;

/**
 * @author Tuukka Lehtonen
 */
public class IssueImageRule implements ImageRule {

    private final String DESCRIPTION = ColumnKeys.SINGLE;

    @Override
    public boolean isCompatible(Class<?> contentType) {
        return contentType.equals(Variable.class);
    }

    @Override
    public Map<String, ImageDescriptor> getImage(ReadGraph graph, Object content) throws DatabaseException {

        Variable issue = (Variable)content;

        IssueResource ISSUE = IssueResource.getInstance(graph);
        SilkResources SILK = SilkResources.getInstance(graph);
        String severity = issue.getPropertyValue(graph, "severity");

        // TODO: now to do this with variables?
        Resource issueResource = issue.getPossibleRepresents(graph);
        boolean resolved = issueResource != null ? graph.hasStatement(issueResource, ISSUE.Resolved) : false;
        if (resolved)
            return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.tick, ImageDescriptor.class));

        if("Fatal".equals(severity)) return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.bomb, ImageDescriptor.class));
        else if("Error".equals(severity)) return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.exclamation, ImageDescriptor.class));
        else if("Warning".equals(severity)) return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.error, ImageDescriptor.class));
        else if("Info".equals(severity)) return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.information, ImageDescriptor.class));
        else if("Note".equals(severity)) return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.note, ImageDescriptor.class));
        else return Collections.singletonMap(DESCRIPTION, graph.adapt(SILK.help, ImageDescriptor.class));

    }

}