/*
 * Copyright (C) 2009 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.etk.core.membership.impl;

import org.etk.core.membership.Group;
import org.etk.core.membership.MembershipType;
import org.etk.core.membership.OrganizationService;
import org.etk.core.membership.User;
import org.etk.core.membership.UserEventListener;
import org.etk.core.membership.UserProfile;
import org.etk.kernel.container.ApplicationContainer;
import org.etk.kernel.container.xml.InitParams;

import java.util.Date;
import java.util.List;

public class NewUserEventListener extends UserEventListener {

  private NewUserConfig config_;

  public NewUserEventListener(InitParams params) throws Exception {
    config_ = (NewUserConfig) params.getObjectParamValues(NewUserConfig.class).get(0);
  }

  public void preSave(User user, boolean isNew) throws Exception {
    if (isNew) {
      Date date = new Date();
      user.setLastLoginTime(date);
      user.setCreatedDate(date);
    }
  }

  public void postSave(User user, boolean isNew) throws Exception {
    ApplicationContainer pcontainer = ApplicationContainer.getInstance();
    OrganizationService service = (OrganizationService) pcontainer.getComponentInstanceOfType(OrganizationService.class);
    UserProfile up = service.getUserProfileHandler().createUserProfileInstance();
    up.setUserName(user.getUserName());
    service.getUserProfileHandler().saveUserProfile(up, false);
    if (config_ == null)
      return;
    if (isNew && !config_.isIgnoreUser(user.getUserName())) {
      createDefaultUserMemberships(user, service);
    }
  }

  public void preDelete(User user) throws Exception {
    ApplicationContainer pcontainer = ApplicationContainer.getInstance();
    OrganizationService service = (OrganizationService) pcontainer.getComponentInstanceOfType(OrganizationService.class);
    UserProfile up = service.getUserProfileHandler().createUserProfileInstance();
    up.setUserName(user.getUserName());
    service.getUserProfileHandler().removeUserProfile(user.getUserName(), false);
    service.getMembershipHandler().removeMembershipByUser(user.getUserName(), false);
  }

  public void postDelete(User user) throws Exception {
  }

  private void createDefaultUserMemberships(User user, OrganizationService service) throws Exception {
    List groups = config_.getGroup();
    if (groups.size() == 0)
      return;
    for (int i = 0; i < groups.size(); i++) {
      NewUserConfig.JoinGroup jgroup = (NewUserConfig.JoinGroup) groups.get(i);
      Group group = service.getGroupHandler().findGroupById(jgroup.getGroupId());
      MembershipType mtype = service.getMembershipTypeHandler()
                                    .findMembershipType(jgroup.getMembership());
      service.getMembershipHandler().linkMembership(user, group, mtype, false);
    }
  }
}