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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. 
 *
 * ====================================================================
 * Licensed 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.vcloud.terremark.compute;

import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ExecutorService;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;

import org.jclouds.Constants;
import org.jclouds.collect.Memoized;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.TemplateBuilder;
import org.jclouds.compute.internal.BaseComputeService;
import org.jclouds.compute.options.TemplateOptions;
import org.jclouds.compute.reference.ComputeServiceConstants.Timeouts;
import org.jclouds.compute.strategy.DestroyNodeStrategy;
import org.jclouds.compute.strategy.GetNodeMetadataStrategy;
import org.jclouds.compute.strategy.ListNodesStrategy;
import org.jclouds.compute.strategy.RebootNodeStrategy;
import org.jclouds.compute.strategy.ResumeNodeStrategy;
import org.jclouds.compute.strategy.RunNodesAndAddToSetStrategy;
import org.jclouds.compute.strategy.SuspendNodeStrategy;
import org.jclouds.compute.util.ComputeUtils;
import org.jclouds.domain.Credentials;
import org.jclouds.domain.Location;
import org.jclouds.vcloud.terremark.compute.domain.KeyPairCredentials;
import org.jclouds.vcloud.terremark.compute.domain.OrgAndName;
import org.jclouds.vcloud.terremark.compute.functions.NodeMetadataToOrgAndName;
import org.jclouds.vcloud.terremark.compute.options.TerremarkVCloudTemplateOptions;
import org.jclouds.vcloud.terremark.compute.strategy.CleanupOrphanKeys;

import com.google.common.base.Predicate;
import com.google.common.base.Supplier;

/**
 * @author Adrian Cole
 */
@Singleton
public class TerremarkVCloudComputeService extends BaseComputeService {
   private final CleanupOrphanKeys cleanupOrphanKeys;

   @Inject
   protected TerremarkVCloudComputeService(ComputeServiceContext context, Map credentialStore,
            @Memoized Supplier> images, @Memoized Supplier> sizes,
            @Memoized Supplier> locations, ListNodesStrategy listNodesStrategy,
            GetNodeMetadataStrategy getNodeMetadataStrategy, RunNodesAndAddToSetStrategy runNodesAndAddToSetStrategy,
            RebootNodeStrategy rebootNodeStrategy, DestroyNodeStrategy destroyNodeStrategy,
            ResumeNodeStrategy resumeNodeStrategy, SuspendNodeStrategy suspendNodeStrategy,
            Provider templateBuilderProvider, Provider templateOptionsProvider,
            @Named("NODE_RUNNING") Predicate nodeRunning,
            @Named("NODE_TERMINATED") Predicate nodeTerminated,
            @Named("NODE_SUSPENDED") Predicate nodeSuspended, ComputeUtils utils, Timeouts timeouts,
            @Named(Constants.PROPERTY_USER_THREADS) ExecutorService executor, CleanupOrphanKeys cleanupOrphanKeys,
            ConcurrentMap credentialsMap, NodeMetadataToOrgAndName nodeToOrgAndName) {
      super(context, credentialStore, images, sizes, locations, listNodesStrategy, getNodeMetadataStrategy,
               runNodesAndAddToSetStrategy, rebootNodeStrategy, destroyNodeStrategy, resumeNodeStrategy,
               suspendNodeStrategy, templateBuilderProvider, templateOptionsProvider, nodeRunning, nodeTerminated,
               nodeSuspended, utils, timeouts, executor);
      this.cleanupOrphanKeys = cleanupOrphanKeys;
   }

   /**
    * like {@link BaseComputeService#destroyNodesMatching} except that this will clean implicit
    * keypairs.
    */
   @Override
   public Set destroyNodesMatching(Predicate filter) {
      Set deadOnes = super.destroyNodesMatching(filter);
      cleanupOrphanKeys.execute(deadOnes);
      return deadOnes;
   }

   /**
    * returns template options, except of type {@link TerremarkVCloudTemplateOptions}.
    */
   @Override
   public TerremarkVCloudTemplateOptions templateOptions() {
      return TerremarkVCloudTemplateOptions.class.cast(super.templateOptions());
   }

}