/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2009 Sun Microsystems, Inc.
 * Portions Copyright 2014-2016 ForgeRock AS.
 */
package org.opends.guitools.controlpanel.datamodel;

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

import org.forgerock.i18n.LocalizableMessage;
import org.opends.server.monitors.TraditionalWorkQueueMonitor;
import org.opends.server.util.ServerConstants;

/**
 * The enumeration containing the different monitoring attributes that can be
 * displayed in the monitoring panels.
 */
public enum BasicMonitoringAttributes implements MonitoringAttributes
{
  /** Start Date. */
  START_DATE(LocalizableMessage.EMPTY, ServerConstants.ATTR_START_TIME),
  /** Current Date. */
  CURRENT_DATE(LocalizableMessage.EMPTY, ServerConstants.ATTR_CURRENT_TIME),
  /** Current Connections. */
  CURRENT_CONNECTIONS(LocalizableMessage.EMPTY, ServerConstants.ATTR_CURRENT_CONNS),
  /** Maximum Connections. */
  MAX_CONNECTIONS(LocalizableMessage.EMPTY, ServerConstants.ATTR_MAX_CONNS),
  /** Total Connections. */
  TOTAL_CONNECTIONS(LocalizableMessage.EMPTY, ServerConstants.ATTR_TOTAL_CONNS),
  /** Average Request Backlog. */
  AVERAGE_REQUEST_BACKLOG(INFO_CTRL_PANEL_AVERAGE_REQUEST_BACKLOG.get(),
  TraditionalWorkQueueMonitor.ATTR_AVERAGE_BACKLOG),
  /** Max Request Backlog. */
  MAX_REQUEST_BACKLOG(INFO_CTRL_PANEL_MAX_REQUEST_BACKLOG.get(),
  TraditionalWorkQueueMonitor.ATTR_MAX_BACKLOG),
  /** Current Request Backlog. */
  CURRENT_REQUEST_BACKLOG(INFO_CTRL_PANEL_CURRENT_REQUEST_BACKLOG.get(),
  TraditionalWorkQueueMonitor.ATTR_CURRENT_BACKLOG),
  /** Requests submitted. */
  REQUESTS_SUBMITTED(INFO_CTRL_PANEL_REQUESTS_SUBMITTED.get(),
  TraditionalWorkQueueMonitor.ATTR_OPS_SUBMITTED),
  /** Requests rejected. */
  REQUESTS_REJECTED(INFO_CTRL_PANEL_REQUESTS_REJECTED.get(),
  TraditionalWorkQueueMonitor.ATTR_OPS_REJECTED_QUEUE_FULL),
  /** Entry cache Hits. */
  ENTRY_CACHE_HITS(INFO_CTRL_PANEL_ENTRY_CACHE_HITS.get(),
  "entryCacheHits"),
  /** Current entry cache count. */
  CURRENT_ENTRY_CACHE_COUNT(INFO_CTRL_PANEL_CURRENT_ENTRY_CACHE_COUNT.get(),
  "currentEntryCacheCount"),
  /** Entry cache tries. */
  ENTRY_CACHE_TRIES(INFO_CTRL_PANEL_ENTRY_CACHE_TRIES.get(),
  "entryCacheTries"),
  /** Entry cache hit ratio. */
  ENTRY_CACHE_HIT_RATIO(INFO_CTRL_PANEL_ENTRY_CACHE_HIT_RATIO.get(),
  "entryCacheHitRatio"),
  /** Entry cache current size. */
  CURRENT_ENTRY_CACHE_SIZE(INFO_CTRL_PANEL_CURRENT_ENTRY_CACHE_SIZE.get(),
  "currentEntryCacheSize"),
  /** Entry cache max size. */
  MAX_ENTRY_CACHE_SIZE(INFO_CTRL_PANEL_MAX_ENTRY_CACHE_SIZE.get(),
  "maxEntryCacheSize"),
  /** Entry cache max count. */
  MAX_ENTRY_CACHE_COUNT(INFO_CTRL_PANEL_MAX_ENTRY_CACHE_COUNT.get(),
  "maxEntryCacheCount"),
  /** Available CPUs. */
  AVAILABLE_CPUS(INFO_CTRL_PANEL_AVAILABLE_CPUS.get(),
  "availableCPUs"),
  /** System Name. */
  SYSTEM_NAME(INFO_CTRL_PANEL_SYSTEM_NAME.get(),
  "systemName"),
  /** Operating System. */
  OPERATING_SYSTEM(INFO_CTRL_PANEL_OPERATING_SYSTEM.get(),
  "operatingSystem"),
  /** Free used memory. */
  FREE_USED_MEMORY(INFO_CTRL_PANEL_FREE_USED_MEMORY.get(),
  "freeUsedMemory"),
  /** Max memory. */
  MAX_MEMORY(INFO_CTRL_PANEL_MAX_MEMORY.get(),
  "maxMemory"),
  /** Used memory. */
  USED_MEMORY(INFO_CTRL_PANEL_USED_MEMORY.get(),
  "usedMemory"),
  /** Class path. */
  CLASS_PATH(INFO_CTRL_PANEL_CLASS_PATH.get(),
  "classPath"),
  /** Java Vendor. */
  JAVA_VENDOR(INFO_CTRL_PANEL_JAVA_VENDOR.get(),
  "javaVendor"),
  /** JVM Vendor. */
  JVM_VENDOR(INFO_CTRL_PANEL_JVM_VENDOR.get(),
  "javaVendor"),
  /** Java Version. */
  JAVA_VERSION(INFO_CTRL_PANEL_JAVA_VERSION.get(),
  "javaVersion"),
  /** JVM Version. */
  JVM_VERSION(INFO_CTRL_PANEL_JVM_VERSION.get(),
  "jvmVersion"),
  /** JVM Architecture. */
  JVM_ARCHITECTURE(INFO_CTRL_PANEL_JVM_ARCHITECTURE.get(),
  "jvmArchitecture"),
  /** JVM Arguments. */
  JVM_ARGUMENTS(INFO_CTRL_PANEL_JVM_ARGUMENTS.get(),
  "jvmArguments"),
  /** Add Request. */
  ADD_REQUESTS(INFO_CTRL_PANEL_ADD_REQUESTS_LABEL.get(),
  "addRequests"),
  /** Add Responses. */
  ADD_RESPONSES(INFO_CTRL_PANEL_ADD_RESPONSES_LABEL.get(),
  "addResponses"),
  /** Bind Request. */
  BIND_REQUESTS(INFO_CTRL_PANEL_BIND_REQUESTS_LABEL.get(),
  "bindRequests"),
  /** Bind Responses. */
  BIND_RESPONSES(INFO_CTRL_PANEL_BIND_RESPONSES_LABEL.get(),
  "bindResponses"),
  /** Compare Requests. */
  COMPARE_REQUESTS(INFO_CTRL_PANEL_COMPARE_REQUESTS_LABEL.get(),
  "compareRequests"),
  /** Compare Responses. */
  COMPARE_RESPONSES(INFO_CTRL_PANEL_COMPARE_RESPONSES_LABEL.get(),
  "compareResponses"),
  /** Delete Request. */
  DELETE_REQUESTS(INFO_CTRL_PANEL_DELETE_REQUESTS_LABEL.get(),
  "deleteRequests"),
  /** Delete Responses. */
  DELETE_RESPONSES(INFO_CTRL_PANEL_DELETE_RESPONSES_LABEL.get(),
  "deleteResponses"),
  /** Extended Request. */
  EXTENDED_REQUESTS(INFO_CTRL_PANEL_EXTENDED_REQUESTS_LABEL.get(),
  "extendedRequests"),
  /** Extended Responses. */
  EXTENDED_RESPONSES(INFO_CTRL_PANEL_EXTENDED_RESPONSES_LABEL.get(),
  "extendedResponses"),
  /** Modify DN Request. */
  MOD_DN_REQUESTS(INFO_CTRL_PANEL_MOD_DN_REQUESTS_LABEL.get(),
  "modifyDNRequests"),
  /** Modify DN Responses. */
  MOD_DN_RESPONSES(INFO_CTRL_PANEL_MOD_DN_RESPONSES_LABEL.get(),
  "modifyDNResponses"),
  /** Modify Request. */
  MOD_REQUESTS(INFO_CTRL_PANEL_MOD_REQUESTS_LABEL.get(),
  "modifyRequests"),
  /** Modify Responses. */
  MOD_RESPONSES(INFO_CTRL_PANEL_MOD_RESPONSES_LABEL.get(),
  "modifyResponses"),
  /** Search Request. */
  SEARCH_REQUESTS(INFO_CTRL_PANEL_SEARCH_REQUESTS_LABEL.get(),
  "searchRequests"),
  /** Searches Done. */
  SEARCH_DONE(INFO_CTRL_PANEL_SEARCH_DONE_LABEL.get(),
  "searchResultsDone"),
  /** Unbind Request. */
  UNBIND_REQUESTS(INFO_CTRL_PANEL_UNBIND_REQUESTS_LABEL.get(),
  "unbindRequests"),;

  static
  {
    // Do this here, since static references do not work if this is done
    // in the constructor.
    for (BasicMonitoringAttributes attr : BasicMonitoringAttributes.values())
    {
      attr.calculateProperties();
    }
  }

  private final LocalizableMessage msg;
  private final String attributeName;
  private boolean isNumeric;
  private boolean isGMTDate;
  private boolean isValueInBytes;
  private boolean canHaveAverage;
  private boolean isTime;

  private BasicMonitoringAttributes(LocalizableMessage msg, String attributeName)
  {
    this.msg = msg;
    this.attributeName = attributeName;
  }

  @Override
  public LocalizableMessage getMessage()
  {
    return msg;
  }

  @Override
  public String getAttributeName()
  {
    return attributeName;
  }

  @Override
  public boolean isNumeric()
  {
    return isNumeric;
  }

  @Override
  public boolean isTime()
  {
    return isTime;
  }

  @Override
  public boolean isGMTDate()
  {
    return isGMTDate;
  }

  @Override
  public boolean isValueInBytes()
  {
    return isValueInBytes;
  }

  @Override
  public boolean canHaveAverage()
  {
    return canHaveAverage;
  }

  @Override
  public boolean isNumericDate()
  {
    return false;
  }

  private void calculateProperties()
  {
    canHaveAverage = attributeName.endsWith("total-count") ||
    attributeName.endsWith("Requests") ||
    attributeName.endsWith("Responses") ||
    this == SEARCH_DONE;

    isGMTDate = this == START_DATE ||
    this == CURRENT_DATE;

    isValueInBytes = this == FREE_USED_MEMORY ||
    this == MAX_MEMORY ||
    this == USED_MEMORY;

    isTime = attributeName.contains("time");

    isNumeric =
    !isGMTDate() &&
    this != SYSTEM_NAME &&
    this != OPERATING_SYSTEM &&
    this != CLASS_PATH &&
    this != JAVA_VENDOR &&
    this != JVM_VENDOR &&
    this != JAVA_VERSION &&
    this != JVM_VERSION &&
    this != JVM_ARCHITECTURE &&
    this != JVM_ARGUMENTS;
  }
}