/**
    * Waffle (https://github.com/dblock/waffle)
    *
    * Copyright (c) 2010 - 2015 Application Security, Inc.
    *
    * All rights reserved. This program and the accompanying materials
    * are made available under the terms of the Eclipse Public License v1.0
    * which accompanies this distribution, and is available at
    * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     Application Security, Inc.
   */
  package waffle.windows.auth.impl;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import waffle.windows.auth.IWindowsComputer;
  
  import com.sun.jna.platform.win32.LMJoin;
  import com.sun.jna.platform.win32.Netapi32Util;
  import com.sun.jna.platform.win32.Netapi32Util.LocalGroup;
  
  /**
   * Windows Computer.
   * 
   * @author dblock[at]dblock[dot]org
   */
  public class WindowsComputerImpl implements IWindowsComputer {
  
      /** The computer name. */
      private final String computerName;
      
      /** The domain name. */
      private final String domainName;
  
      /**
       * Instantiates a new windows computer impl.
       *
       * @param newComputerName
       *            the new computer name
       */
      public WindowsComputerImpl(final String newComputerName) {
          this.computerName = newComputerName;
          this.domainName = Netapi32Util.getDomainName(newComputerName);
      }
  
      /* (non-Javadoc)
       * @see waffle.windows.auth.IWindowsComputer#getComputerName()
       */
      @Override
      public String getComputerName() {
          return this.computerName;
      }
  
      /* (non-Javadoc)
       * @see waffle.windows.auth.IWindowsComputer#getGroups()
       */
      @Override
      public String[] getGroups() {
          final List<String> groupNames = new ArrayList<String>();
          final LocalGroup[] groups = Netapi32Util.getLocalGroups(this.computerName);
          for (final LocalGroup group : groups) {
              groupNames.add(group.name);
          }
          return groupNames.toArray(new String[0]);
      }
  
      /* (non-Javadoc)
       * @see waffle.windows.auth.IWindowsComputer#getJoinStatus()
       */
      @Override
      public String getJoinStatus() {
          final int joinStatus = Netapi32Util.getJoinStatus(this.computerName);
          switch (joinStatus) {
              case LMJoin.NETSETUP_JOIN_STATUS.NetSetupDomainName:
                  return "NetSetupDomainName";
              case LMJoin.NETSETUP_JOIN_STATUS.NetSetupUnjoined:
                  return "NetSetupUnjoined";
              case LMJoin.NETSETUP_JOIN_STATUS.NetSetupWorkgroupName:
                  return "NetSetupWorkgroupName";
              case LMJoin.NETSETUP_JOIN_STATUS.NetSetupUnknownStatus:
                  return "NetSetupUnknownStatus";
              default:
                  throw new RuntimeException("Unsupported join status: " + joinStatus);
          }
      }
  
      /* (non-Javadoc)
       * @see waffle.windows.auth.IWindowsComputer#getMemberOf()
       */
      @Override
      public String getMemberOf() {
          return this.domainName;
      }
  
  }