/*
    * 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.myfaces.tobago.example.demo;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.enterprise.context.RequestScoped;
  import javax.faces.context.ExternalContext;
  import javax.faces.context.FacesContext;
  import javax.inject.Named;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpSession;
  import java.io.IOException;
  import java.lang.invoke.MethodHandles;
  
  @Named
  @RequestScoped
  public class LoginController {
  
    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
    private String username;
    private String password;
  
    public Outcome login() throws ServletException {
      final FacesContext facesContext = FacesContext.getCurrentInstance();
      final ExternalContext externalContext = facesContext.getExternalContext();
      final HttpServletRequest request = (HttpServletRequest) externalContext.getRequest();
  
      LOG.info("Try to login user: '{}'", username);
      request.login(username, password);
      LOG.info("Successful login user: '{}'", username);
  
      return Outcome.CONCEPT_SECURITY_ROLES_XLOGIN;
    }
  
    public String logout() throws ServletException, IOException {
      final FacesContext facesContext = FacesContext.getCurrentInstance();
      final ExternalContext externalContext = facesContext.getExternalContext();
      final HttpServletRequest request = (HttpServletRequest) externalContext.getRequest();
  
      request.logout();
  
      return facesContext.getViewRoot().getViewId();
    }
  
    public String resetSession() throws IOException {
      LOG.info("Resetting the session.");
      final FacesContext facesContext = FacesContext.getCurrentInstance();
      final HttpSession session = (HttpSession) facesContext.getExternalContext().getSession(false);
      if (session != null) {
        session.invalidate();
      }
      final ExternalContext externalContext = facesContext.getExternalContext();
  /* XXX reset theme doesn't work
      CookieUtils.removeThemeNameCookie(
          (HttpServletRequest)externalContext.getRequest(),
          (HttpServletResponse) externalContext.getResponse());
  */
      externalContext.redirect(externalContext.getRequestContextPath() + "/");
      facesContext.responseComplete();
      return null;
    }
  
    public String getUsername() {
      return username;
    }
  
    public void setUsername(final String username) {
      this.username = username;
    }
  
    public String getPassword() {
      return password;
    }
  
    public void setPassword(final String password) {
      this.password = password;
    }
  }