/**
 * Copyright (c) 2010, Sebastian Sdorra All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer. 2. Redistributions in
 * binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other
 * materials provided with the distribution. 3. Neither the name of SCM-Manager;
 * nor the names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * http://bitbucket.org/sdorra/scm-manager
 *
 */



package sonia.scm.plugin;

//~--- non-JDK imports --------------------------------------------------------

import com.google.common.base.Strings;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.sonatype.aether.repository.Authentication;
import org.sonatype.aether.repository.AuthenticationSelector;
import org.sonatype.aether.repository.RemoteRepository;

import sonia.scm.plugin.AdvancedPluginConfiguration.Server;

//~--- JDK imports ------------------------------------------------------------

import java.util.Map;

/**
 *
 * @author Sebastian Sdorra
 * @since 1.41
 */
public class AetherAuthenticationSelector implements AuthenticationSelector
{

  /**
   * the logger for AetherAuthenticationSelector
   */
  private static final Logger logger =
    LoggerFactory.getLogger(AetherAuthenticationSelector.class);

  //~--- constructors ---------------------------------------------------------

  /**
   * Constructs ...
   *
   *
   * @param configuration
   */
  public AetherAuthenticationSelector(AdvancedPluginConfiguration configuration)
  {
    Builder<String, Server> builder = ImmutableMap.builder();

    for (Server server : configuration.getServers())
    {
      builder.put(server.getId(), server);
    }

    servers = builder.build();
  }

  /**
   * Constructs ...
   *
   *
   * @param servers
   */
  public AetherAuthenticationSelector(Map<String, Server> servers)
  {
    this.servers = servers;
  }

  //~--- get methods ----------------------------------------------------------

  /**
   * Method description
   *
   *
   * @param repository
   *
   * @return
   */
  @Override
  public Authentication getAuthentication(RemoteRepository repository)
  {
    Authentication authentication = null;
    Server server = servers.get(Strings.nullToEmpty(repository.getId()));

    if (server != null)
    {
      logger.info("use user {} for repository wiht id {}",
        server.getUsername(), repository.getId());
      authentication = new Authentication(server.getUsername(),
        server.getPassword());
    }

    return authentication;
  }

  //~--- fields ---------------------------------------------------------------

  /** Field description */
  private final Map<String, Server> servers;
}
