/*
    * 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.ftp.simpleimpl;
  
  import org.waarp.common.file.filesystembased.FilesystemBasedFileParameterImpl;
  import org.waarp.common.logging.SysErrLogger;
  import org.waarp.common.logging.WaarpLogger;
  import org.waarp.common.logging.WaarpLoggerFactory;
  import org.waarp.common.logging.WaarpSlf4JLoggerFactory;
  import org.waarp.ftp.core.exception.FtpNoConnectionException;
  import org.waarp.ftp.simpleimpl.config.FileBasedConfiguration;
  import org.waarp.ftp.simpleimpl.config.FileBasedSslConfiguration;
  import org.waarp.ftp.simpleimpl.control.SimpleBusinessHandler;
  import org.waarp.ftp.simpleimpl.data.FileSystemBasedDataBusinessHandler;
  
  /**
   * Example of FTP Server using simple authentication (XML FileInterface based),
   * and standard Directory and
   * FileInterface implementation (Filesystem based).
   */
  public class SimpleGatewaySslFtpServer {
  
    /**
     * Take 2 simple XML files as configuration.
     *
     * @param args
     */
    public static void main(final String[] args) {
      if (args.length != 3) {
        SysErrLogger.FAKE_LOGGER.syserr(
            "Usage: " + SimpleGatewaySslFtpServer.class.getName() +
            " <config-file> <ssl-config-file> SSL|AUTH");
        return;
      }
      WaarpLoggerFactory.setDefaultFactoryIfNotSame(
          new WaarpSlf4JLoggerFactory(null));
      /*
       * Internal Logger
       */
      final WaarpLogger logger =
          WaarpLoggerFactory.getLogger(SimpleGatewaySslFtpServer.class);
      final String config = args[0];
      final FileBasedConfiguration configuration =
          new FileBasedConfiguration(SimpleGatewaySslFtpServer.class,
                                     SimpleBusinessHandler.class,
                                     FileSystemBasedDataBusinessHandler.class,
                                     new FilesystemBasedFileParameterImpl());
      if (!configuration.setConfigurationFromXml(config)) {
        SysErrLogger.FAKE_LOGGER.syserr("Bad configuration");
        return;
      }
      if (!FileBasedSslConfiguration.setConfigurationServerFromXml(configuration,
                                                                   args[1])) {
        SysErrLogger.FAKE_LOGGER.syserr("Bad Ssl configuration");
        return;
      }
      if ("SSL".equalsIgnoreCase(args[2])) {
        // native SSL support
        configuration.getFtpInternalConfiguration().setUsingNativeSsl(true);
        configuration.getFtpInternalConfiguration().setAcceptAuthProt(false);
      } else if ("AUTH".equalsIgnoreCase(args[2])) {
        // AUTH, PROT, ... support
        configuration.getFtpInternalConfiguration().setUsingNativeSsl(false);
        configuration.getFtpInternalConfiguration().setAcceptAuthProt(true);
      } else {
        // unknown option
        SysErrLogger.FAKE_LOGGER.syserr(
            "Bad Ssl Option configuration: SSL ot AUTH " + "but " + args[2]);
        return;
      }
      // Start server.
      try {
        configuration.serverStartup();
      } catch (final FtpNoConnectionException e) {
        logger.error("FTP not started: Mode " +
                     (configuration.getFtpInternalConfiguration()
                                   .isUsingNativeSsl()? "SSL" : "AUTH"), e);
      }
      logger.info("FTP started: Mode {}",
                  (configuration.getFtpInternalConfiguration().isUsingNativeSsl()?
                      "SSL" : "AUTH"));
    }
 
 }