/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
 * or http://forgerock.org/license/CDDLv1.0.html.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at legal-notices/CDDLv1_0.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2008-2009 Sun Microsystems, Inc.
 *      Portions Copyright 2013-2015 ForgeRock AS
 */
package org.opends.guitools.controlpanel.datamodel;

import static org.opends.messages.AdminToolMessages.*;

import java.net.InetAddress;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

import org.forgerock.i18n.LocalizableMessage;
import org.opends.server.admin.std.meta.AdministrationConnectorCfgDefn;

/**
 * This class is used to represent a Listener and is aimed to be used by the
 * classes in the ListenersTableModel class.
 */
public class ConnectionHandlerDescriptor
{
  private Set<CustomSearchResult> monitoringEntries = Collections.emptySet();

  /** Enumeration used to represent the state of the listener. */
  public enum State
  {
    /** The listener is enabled. */
    ENABLED,
    /** The listener is disabled. */
    DISABLED,
    /** The state of the listener is unknown. */
    UNKNOWN
  }

  /** Enumeration used to represent the Protocol of the listener. */
  public enum Protocol
  {
    /** LDAP protocol. */
    LDAP(INFO_CTRL_PANEL_CONN_HANDLER_LDAP.get()),
    /** LDAP accepting Start TLS protocol. */
    LDAP_STARTTLS(INFO_CTRL_PANEL_CONN_HANDLER_LDAP_STARTTLS.get()),
    /** LDAP secure protocol. */
    LDAPS(INFO_CTRL_PANEL_CONN_HANDLER_LDAPS.get()),
    /** HTTP protocol. */
    HTTP(INFO_CTRL_PANEL_CONN_HANDLER_HTTP.get()),
    /** HTTP secure protocol. */
    HTTPS(INFO_CTRL_PANEL_CONN_HANDLER_HTTPS.get()),
    /** JMX protocol. */
    JMX(INFO_CTRL_PANEL_CONN_HANDLER_JMX.get()),
    /** JMX secure protocol. */
    JMXS(INFO_CTRL_PANEL_CONN_HANDLER_JMXS.get()),
    /** LDIF protocol. */
    LDIF(INFO_CTRL_PANEL_CONN_HANDLER_LDIF.get()),
    /** SNMP protocol. */
    SNMP(INFO_CTRL_PANEL_CONN_HANDLER_SNMP.get()),
    /**
     * Replication protocol.  Even if in the configuration is not considered
     * as a listener, we display it on the table.
     */
    REPLICATION(INFO_CTRL_PANEL_CONN_HANDLER_REPLICATION.get()),
    /** Secure replication protocol. */
    REPLICATION_SECURE(INFO_CTRL_PANEL_CONN_HANDLER_REPLICATION_SECURE.get()),
    /** Admin connector protocol. */
    ADMINISTRATION_CONNECTOR(INFO_CTRL_PANEL_CONN_HANDLER_ADMINISTRATION.get()),
    /** Other protocol. */
    OTHER(INFO_CTRL_PANEL_CONN_HANDLER_OTHER.get());

    private LocalizableMessage displayMessage;

    private Protocol(LocalizableMessage displayMessage)
    {
      this.displayMessage = displayMessage;
    }

    /**
     * Returns the display LocalizableMessage to be used for the protocol.
     * @return the display LocalizableMessage to be used for the protocol.
     */
    public LocalizableMessage getDisplayMessage()
    {
      return displayMessage;
    }
  }

  private State state;
  private SortedSet<InetAddress> addresses = new TreeSet<>(
      AdministrationConnectorCfgDefn.getInstance().
      getListenAddressPropertyDefinition());
  private int port;
  private Protocol protocol;
  private String toString;
  private String name;

  private int hashCode;

  /**
   * Constructor for the connection handler..
   * @param addresses the list of InetAdresses of the listener.
   * @param port the port of the connection handler.
   * @param protocol the protocol of the listener.
   * @param state the state of the connection handler (enabled, disabled, etc.).
   * @param name the name of the listener.
   * @param monitoringEntries the LDAP entries containing the monitoring
   * information.
   */
  public ConnectionHandlerDescriptor(Collection<InetAddress> addresses,
      int port, Protocol protocol, State state, String name,
      Set<CustomSearchResult> monitoringEntries)
  {
    this.addresses.addAll(addresses);
    this.port = port;
    this.protocol = protocol;
    this.state = state;
    this.name = name;
    this.monitoringEntries = Collections.unmodifiableSet(monitoringEntries);

    StringBuilder builder = new StringBuilder();
    builder.append(getProtocol()).append(" ").append(getState()).append(" ");
    for (InetAddress address : addresses)
    {
      builder.append(address);
    }
    builder.append(" Port: ").append(port);
    toString = builder.toString();
    hashCode = toString.hashCode();
  }

  /**
   * Returns the address port representation of the listener.
   * @return the address port representation of the listener.
   */
  public SortedSet<InetAddress> getAddresses()
  {
    return addresses;
  }

  /**
   * Returns the protocol of the listener.
   * @return the protocol of the listener.
   */
  public Protocol getProtocol()
  {
    return protocol;
  }

  /**
   * Returns the state of the listener.
   * @return the state of the listener.
   */
  public State getState()
  {
    return state;
  }

  /**
   * Returns the monitoring entries.
   * @return the monitoring entries.
   */
  public Set<CustomSearchResult> getMonitoringEntries()
  {
    return monitoringEntries;
  }

  /**
   * Sets the monitoring entries.
   * @param monitoringEntries the monitoring entries.
   */
  public void setMonitoringEntries(Set<CustomSearchResult> monitoringEntries)
  {
    this.monitoringEntries = Collections.unmodifiableSet(monitoringEntries);
  }

  /** {@inheritDoc} */
  @Override
  public int hashCode()
  {
    return hashCode;
  }

  /** {@inheritDoc} */
  @Override
  public String toString()
  {
    return toString;
  }

  /** {@inheritDoc} */
  @Override
  public boolean equals(Object o)
  {
    if (o == this)
    {
      return true;
    }
    if (o instanceof ConnectionHandlerDescriptor)
    {
      ConnectionHandlerDescriptor ch = (ConnectionHandlerDescriptor) o;
      return toString.equals(o.toString())
          && getMonitoringEntries().equals(ch.getMonitoringEntries());
    }
    return false;
  }

  /**
   * Returns the port of the connection handler.
   * @return the port of the connection handler.
   */
  public int getPort()
  {
    return port;
  }

  /**
   * Returns the name of the connection handler.
   * @return the name of the connection handler.
   */
  public String getName()
  {
    return name;
  }
}
