/*
 * 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.jclouds.openstack.nova.v2_0.domain;

import java.beans.ConstructorProperties;
import java.util.Set;

import org.jclouds.javax.annotation.Nullable;
import org.jclouds.openstack.v2_0.domain.Link;
import org.jclouds.openstack.v2_0.domain.Resource;

import com.google.common.base.Objects;
import com.google.common.base.MoreObjects.ToStringHelper;
import com.google.common.base.Optional;

/**
 * Server Resource with administrative password returned by ServerApi#CreateServer calls
 * 
 * @see <a href=
      "http://docs.openstack.org/api/openstack-compute/1.1/content/Get_Server_Details-d1e2623.html"
      />
*/
public class ServerCreated extends Resource {

   public static Builder builder() { 
      return new Builder();
   }
   
   public Builder toBuilder() { 
      return builder().fromServerCreated(this);
   }

   public static final class Builder extends Resource.Builder<Builder>  {
      protected String adminPass;
      protected String diskConfig;
   
      /** 
       * @see ServerCreated#getAdminPass()
       */
      public Builder adminPass(String adminPass) {
         this.adminPass = adminPass;
         return self();
      }
      
      /** 
       * @see ServerCreated#getDiskConfig()
       */
      public Builder diskConfig(String diskConfig) {
         this.diskConfig = diskConfig;
         return self();
      }

      public ServerCreated build() {
         return new ServerCreated(id, name, links, adminPass, diskConfig);
      }
      
      public Builder fromServerCreated(ServerCreated in) {
         return super.fromResource(in).adminPass(in.getAdminPass().orNull()).diskConfig(in.getDiskConfig().orNull());
      }

      @Override
      protected Builder self() {
         return this;
      }
   }

   private final Optional<String> adminPass;
   private final Optional<String> diskConfig;

   @ConstructorProperties({
      "id", "name", "links", "adminPass", "OS-DCF:diskConfig" 
   })
   protected ServerCreated(String id, @Nullable String name, Set<Link> links, @Nullable String adminPass, 
         @Nullable String diskConfig) {
      super(id, name, links);
      this.adminPass = Optional.fromNullable(adminPass);
      this.diskConfig = Optional.fromNullable(diskConfig);
   }

   /**
    * present unless the nova install was configured with the option {@code enable_instance_password=false}
    */
   public Optional<String> getAdminPass() {
      return this.adminPass;
   }

   /**
    * @see CreateServerOptions#getDiskConfig()
    */
   public Optional<String> getDiskConfig() {
      return this.diskConfig;
   }

   @Override
   public int hashCode() {
      return Objects.hashCode(adminPass, diskConfig);
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj) return true;
      if (obj == null || getClass() != obj.getClass()) return false;
      ServerCreated that = ServerCreated.class.cast(obj);
      return super.equals(that) && Objects.equal(this.adminPass, that.adminPass)
            && Objects.equal(this.diskConfig, that.diskConfig);
   }

   @Override
   protected ToStringHelper string() {
      return super.string().add("adminPass", adminPass.orNull()).add("diskConfig", diskConfig.orNull());
   }
}