/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.syncope.client.console.pages;
  
  import java.security.AccessControlException;
  import java.util.ArrayList;
  import java.util.List;
  import org.apache.syncope.client.console.SyncopeConsoleSession;
  import org.apache.syncope.client.console.SyncopeWebApplication;
  import org.apache.syncope.client.ui.commons.BaseLogin;
  import org.apache.syncope.client.ui.commons.BaseSession;
  import org.apache.syncope.client.ui.commons.panels.BaseSSOLoginFormPanel;
  import org.apache.wicket.ajax.AjaxRequestTarget;
  import org.apache.wicket.authentication.IAuthenticationStrategy;
  import org.apache.wicket.authroles.authentication.AuthenticatedWebSession;
  import org.apache.wicket.markup.html.panel.Panel;
  import org.apache.wicket.request.mapper.parameter.PageParameters;
  
  public class Login extends BaseLogin {
  
      private static final long serialVersionUID = 5889157642852559004L;
  
      public Login(final PageParameters parameters) {
          super(parameters);
      }
  
      @Override
      protected BaseSession getBaseSession() {
          return SyncopeConsoleSession.get();
      }
  
      @Override
      protected List<Panel> getSSOLoginFormPanels() {
          List<Panel> ssoLoginFormPanels = new ArrayList<>();
          SyncopeWebApplication.get().getLookup().getClasses(BaseSSOLoginFormPanel.class).forEach(ssoLoginFormPanel -> {
              try {
                  ssoLoginFormPanels.add(ssoLoginFormPanel.getConstructor(String.class, BaseSession.class).newInstance(
                          "ssoLogin", SyncopeConsoleSession.get()));
              } catch (Exception e) {
                  LOG.error("Could not initialize the provided SSO login form panel", e);
              }
          });
          return ssoLoginFormPanels;
      }
  
      @Override
      protected void sendError(final String error) {
          SyncopeConsoleSession.get().error(error);
      }
  
      @Override
      protected void authenticate(final String username, final String password, final AjaxRequestTarget target)
              throws AccessControlException {
  
          if (SyncopeWebApplication.get().getAnonymousUser().equals(username)) {
              throw new AccessControlException("Illegal username");
          }
  
          IAuthenticationStrategy strategy = getApplication().getSecuritySettings().getAuthenticationStrategy();
  
          if (AuthenticatedWebSession.get().signIn(username, password)) {
              // If login has been called because the user was not yet logged in, than continue to the
              // original destination, otherwise to the Home page
              continueToOriginalDestination();
              setResponsePage(getApplication().getHomePage());
          } else {
              SyncopeConsoleSession.get().error(getString("login-error"));
              notificationPanel.refresh(target);
          }
          strategy.remove();
      }
  }