/*
 * Copyright 2000-2011 JetBrains s.r.o.
 *
 * 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 jetbrains.buildServer.clouds.vmware;

import java.util.Date;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import jetbrains.buildServer.clouds.CloudErrorInfo;
import jetbrains.buildServer.clouds.CloudInstance;
import jetbrains.buildServer.clouds.InstanceStatus;
import jetbrains.buildServer.serverSide.AgentDescription;
import org.jetbrains.annotations.NotNull;

/**
 * @author Eugene Petrenko
 *         Created: 07.12.2009 20:28:18
 */
public class VMWareInstance extends ErrorHolder implements CloudInstance {
  private final Date myStarted = new Date();
  private final String myInstanceId;
  private final String myInstanceName;
  private final VMWareImage myImage;
  private final AtomicReference<InstanceStatus> myStatus = new AtomicReference<InstanceStatus>(InstanceStatus.SCHEDULED_TO_START);

  public VMWareInstance(final VMWareImage image, final String instanceId, final String instanceName) {
    myImage = image;
    myInstanceId = instanceId;
    myInstanceName = instanceName;
    setStatus(InstanceStatus.SCHEDULED_TO_START);
  }

  @NotNull
  public String getInstanceId() {
    return myInstanceId;
  }

  @NotNull
  public String getName() {
    return myInstanceName;
  }

  @NotNull
  public String getAgentName() {
    return "WM-" + myImage.getName();
  }

  @NotNull
  public String getImageId() {
    return myImage.getId();
  }

  @NotNull
  public VMWareImage getImage() {
    return myImage;
  }

  @NotNull
  public Date getStartedTime() {
    return myStarted;
  }

  public String getNetworkIdentity() {
    return null;
  }

  @NotNull
  public InstanceStatus getStatus() {
    final CloudErrorInfo er = getErrorInfo();
    return er != null ? InstanceStatus.ERROR : myStatus.get();
  }

  public void setStatus(@NotNull InstanceStatus status) {
    myStatus.set(status);
  }

  public boolean containsAgent(@NotNull final AgentDescription agent) {
    final Map<String,String> ps = agent.getDefinedParameters();
    final String agebtImageId = ps.get(VMWareConstants.WM_IMAGE_ID);
    final String agentInstanceId = ps.get(VMWareConstants.WM_INSTANCE_ID);

    return getImageId().equals(agebtImageId) && getInstanceId().equals(agentInstanceId);
  }

  public void dispose() {
    //NOP
  }
}