/*
    * Copyright 2012-2017 CodeLibs Project and the Others.
    *
    * Licensed 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.
   */
  /**
   * @author Keiichi Watanabe
   * @author shinsuke
   */
  package org.codelibs.fess.app.web.profile;
  
  import javax.annotation.Resource;
  
  import org.codelibs.fess.app.service.UserService;
  import org.codelibs.fess.app.web.base.FessSearchAction;
  import org.codelibs.fess.app.web.login.LoginAction;
  import org.lastaflute.web.Execute;
  import org.lastaflute.web.login.credential.UserPasswordCredential;
  import org.lastaflute.web.response.HtmlResponse;
  import org.lastaflute.web.validation.VaErrorHook;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ProfileAction extends FessSearchAction {
  
      private static final Logger logger = LoggerFactory.getLogger(ProfileAction.class);
  
      // ===================================================================================
      // Constant
      //
  
      // ===================================================================================
      // Attribute
      //
      @Resource
      private UserService userService;
  
      // ===================================================================================
      // Hook
      // ======
  
      // ===================================================================================
      // Search Execute
      // ==============
  
      @Execute
      public HtmlResponse index() {
          return asIndexHtml();
      }
  
      @Execute
      public HtmlResponse changePassword(final ProfileForm form) {
          final VaErrorHook toIndexPage = () -> {
              form.clearSecurityInfo();
              return asIndexHtml();
          };
          validatePasswordForm(form, toIndexPage);
          final String username = getUserBean().map(u -> u.getUserId()).get();
          try {
              userService.changePassword(username, form.newPassword);
              saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
          } catch (final Exception e) {
              logger.error("Failed to change password for " + username, e);
              throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
          }
          return redirect(getClass());
      }
  
      private void validatePasswordForm(final ProfileForm form, final VaErrorHook validationErrorLambda) {
          validate(form, messages -> {}, validationErrorLambda);
  
          if (!form.newPassword.equals(form.confirmNewPassword)) {
              form.newPassword = null;
              form.confirmNewPassword = null;
              throwValidationError(messages -> {
                  messages.addErrorsInvalidConfirmPassword(GLOBAL);
              }, validationErrorLambda);
          }
  
          fessLoginAssist.findLoginUser(new UserPasswordCredential(getUserBean().get().getUserId(), form.oldPassword)).orElseGet(() -> {
              throwValidationError(messages -> {
                  messages.addErrorsNoUserForChangingPassword(GLOBAL);
              }, validationErrorLambda);
              return null;
          });
      }
  
      protected HtmlResponse asIndexHtml() {
          return getUserBean().map(u -> asHtml(virtualHost(path_Profile_IndexJsp)).useForm(ProfileForm.class)).orElseGet(
                 () -> redirect(LoginAction.class));
     }
 }