/*
    * This file is part of Waarp Project (named also Waarp or GG).
    *
    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
    * individual contributors.
    *
    *  All Waarp Project is free software: you can redistribute it and/or
    * modify it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.
   *
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along with
   * Waarp . If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.waarp.openr66.protocol.monitoring;
  
  import org.joda.time.format.DateTimeFormat;
  import org.joda.time.format.DateTimeFormatter;
  import org.waarp.common.logging.SysErrLogger;
  import org.waarp.common.utility.WaarpSystemUtil;
  
  /**
   * Builder of ElasticsearchMonitoringExporterClientFactory
   */
  public class ElasticsearchMonitoringExporterClientBuilder {
    private static ElasticsearchMonitoringExporterClientFactory factory = null;
  
    public static final String ELASTIC_WAARPHOST = "%%WAARPHOST%%";
    public static final String ELASTIC_DATETIME = "%%DATETIME%%";
    public static final DateTimeFormatter FORMAT_DATETIME =
        DateTimeFormat.forPattern("yyyy.MM.dd.HH.mm");
    public static final String ELASTIC_DATEHOUR = "%%DATEHOUR%%";
    public static final DateTimeFormatter FORMAT_DATEHOUR =
        DateTimeFormat.forPattern("yyyy.MM.dd.HH");
    public static final String ELASTIC_DATE = "%%DATE%%";
    public static final DateTimeFormatter FORMAT_DATE =
        DateTimeFormat.forPattern("yyyy.MM.dd");
    public static final String ELASTIC_YEAR_MONTH = "%%YEARMONTH%%";
    public static final DateTimeFormatter FORMAT_YEAR_MONTH =
        DateTimeFormat.forPattern("yyyy.MM");
    public static final String ELASTIC_YEAR = "%%YEAR%%";
    public static final DateTimeFormatter FORMAT_YEAR =
        DateTimeFormat.forPattern("yyyy");
  
    public static final String ELASTICSEARCH_CLIENT_FACTORY_IMPL =
        "org.waarp.openr66.elasticsearch.ElasticsearchMonitoringExporterClientFactoryImpl";
  
    static {
      // Try to load ElasticsearchFactory if class exists
      try {
        final Class elasticsearchFactoryClass =
            Class.forName(ELASTICSEARCH_CLIENT_FACTORY_IMPL);
        factory =
            (ElasticsearchMonitoringExporterClientFactory) WaarpSystemUtil.newInstance(
                elasticsearchFactoryClass);
      } catch (final Exception ignore) {
        // Not found and ignore
        SysErrLogger.FAKE_LOGGER.ignoreLog(ignore);
      }
    }
  
    /**
     * Set from JRE8 or greather with a valid ElasticsearchMonitoringExporterClientFactory
     *
     * @param factoryToSet
     */
    public static void setFactory(
        final ElasticsearchMonitoringExporterClientFactory factoryToSet) {
      factory = factoryToSet;
    }
  
    /**
     * @return the current ElasticsearchMonitoringExporterClientFactory
     *
     * @throws IllegalArgumentException if no Factory is setup
     */
    public static ElasticsearchMonitoringExporterClientFactory getFactory() {
      if (factory == null) {
        throw new IllegalArgumentException(
            "No Factory setup for Elasticsearch client");
      } else {
        return factory;
      }
    }
  }