/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.brooklyn.camp.brooklyn.spi.lookup;

import java.util.Collections;
import java.util.Date;
import java.util.List;

import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.mgmt.ManagementContext;
import org.apache.brooklyn.camp.spi.PlatformComponent;
import org.apache.brooklyn.camp.spi.PlatformRootSummary;
import org.apache.brooklyn.camp.spi.PlatformComponent.Builder;
import org.apache.brooklyn.camp.spi.collection.ResolvableLink;


public class PlatformComponentBrooklynLookup extends AbstractBrooklynResourceLookup<PlatformComponent> {

    public PlatformComponentBrooklynLookup(PlatformRootSummary root, ManagementContext bmc) {
        super(root, bmc);
    }

    @Override
    public PlatformComponent get(String id) {
        Entity entity = bmc.getEntityManager().getEntity(id);
        Builder<? extends PlatformComponent> builder = PlatformComponent.builder()
            .created(new Date(entity.getCreationTime()))
            .id(entity.getId())
            .name(entity.getDisplayName())
            .externalManagementUri(BrooklynUrlLookup.getUrl(bmc, entity));
        
        for (Entity child: entity.getChildren())
            // FIXME this walks the whole damn tree!
            builder.add( get(child.getId() ));
        return builder.build();
    }

    // platform components are not listed at the top level -- you have to walk the assemblies
    @Override
    public List<ResolvableLink<PlatformComponent>> links() {
        return Collections.emptyList();
    }

}