/**
    *
    * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com>
    *
    * ====================================================================
    * 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.aws.ec2.compute.suppliers;
  
  import static com.google.common.collect.Iterables.find;
  import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_CC_AMIs;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.c1_medium;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.c1_xlarge;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.cc1_4xlarge;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.m1_large;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.m1_small32;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.m1_xlarge;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.m2_2xlarge;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.m2_4xlarge;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.m2_xlarge;
  import static org.jclouds.ec2.compute.domain.EC2HardwareBuilder.t1_micro;
  
  import java.util.Set;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.jclouds.collect.Memoized;
  import org.jclouds.compute.domain.Hardware;
  import org.jclouds.domain.Location;
  import org.jclouds.domain.LocationScope;
  import org.jclouds.ec2.compute.suppliers.EC2HardwareSupplier;
  import org.jclouds.location.Provider;
  
  import com.google.common.base.Predicate;
  import com.google.common.base.Supplier;
  import com.google.common.collect.ImmutableSet;
  import com.google.common.collect.ImmutableSet.Builder;
  
  /**
   * 
   * @author Adrian Cole
   */
  @Singleton
  public class AWSEC2HardwareSupplier extends EC2HardwareSupplier {
  
     private final Supplier<Set<? extends Location>> locations;
     private final String[] ccAmis;
  
     @Inject
     public AWSEC2HardwareSupplier(@Memoized Supplier<Set<? extends Location>> locations, @Provider String providerName,
              @Named(PROPERTY_EC2_CC_AMIs) String[] ccAmis) {
        this.locations = locations;
        this.ccAmis = ccAmis;
     }
  
     @Override
     public Set<? extends Hardware> get() {
        Builder<Hardware> sizes = ImmutableSet.builder();
        for (String ccAmi : ccAmis) {
           final String region = ccAmi.split("/")[0];
           Location location = find(locations.get(), new Predicate<Location>() {
  
              @Override
              public boolean apply(Location input) {
                 return input.getScope() == LocationScope.REGION && input.getId().equals(region);
              }
  
           });
           sizes.add(cc1_4xlarge().location(location).supportsImageIds(ccAmi).build());
        }
        sizes.addAll(ImmutableSet.<Hardware> of(t1_micro().build(), c1_medium().build(), c1_xlarge().build(), m1_large()
                 .build(), m1_small32().build(), m1_xlarge().build(), m2_xlarge().build(), m2_2xlarge().build(),
                 m2_4xlarge().build()));
        return sizes.build();
     }
  }