/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.trmk.vcloud_0_8.compute.functions;

import static org.jclouds.compute.util.ComputeServiceUtils.getCores;
import static org.jclouds.trmk.vcloud_0_8.options.InstantiateVAppTemplateOptions.Builder.processorCount;

import javax.inject.Singleton;

import org.jclouds.compute.domain.Template;
import org.jclouds.trmk.vcloud_0_8.compute.options.TerremarkVCloudTemplateOptions;
import org.jclouds.trmk.vcloud_0_8.options.InstantiateVAppTemplateOptions;

import com.google.common.base.Function;

/**
 * @author Adrian Cole
 */
@Singleton
public class TemplateToInstantiateOptions implements Function<Template, InstantiateVAppTemplateOptions> {

   @Override
   public InstantiateVAppTemplateOptions apply(Template from) {
      InstantiateVAppTemplateOptions options = processorCount(Double.valueOf(getCores(from.getHardware())).intValue())
            .memory(from.getHardware().getRam());
      if (!from.getOptions().shouldBlockUntilRunning())
         options.block(false);
      String sshKeyFingerprint = TerremarkVCloudTemplateOptions.class.cast(from.getOptions()).getSshKeyFingerprint();
      if (sshKeyFingerprint != null)
         options.sshKeyFingerprint(sshKeyFingerprint);
      return options;
   }
}