/*
    * 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.
   */
  package org.codelibs.fess.app.web.api;
  
  import java.util.Locale;
  import java.util.stream.Collectors;
  
  import javax.annotation.Resource;
  import javax.servlet.http.HttpServletRequest;
  
  import org.codelibs.fess.app.service.AccessTokenService;
  import org.codelibs.fess.app.web.api.ApiResult.ApiErrorResponse;
  import org.codelibs.fess.app.web.api.ApiResult.Status;
  import org.codelibs.fess.app.web.base.FessBaseAction;
  import org.codelibs.fess.mylasta.action.FessMessages;
  import org.codelibs.fess.mylasta.direction.FessConfig;
  import org.dbflute.optional.OptionalThing;
  import org.lastaflute.core.message.MessageManager;
  import org.lastaflute.web.login.LoginManager;
  import org.lastaflute.web.response.ActionResponse;
  import org.lastaflute.web.ruts.process.ActionRuntime;
  import org.lastaflute.web.validation.VaMessenger;
  
  public abstract class FessApiAction extends FessBaseAction {
  
      @Resource
      protected FessConfig fessConfig;
  
      @Resource
      protected MessageManager messageManager;
  
      @Resource
      protected AccessTokenService accessTokenService;
  
      @Resource
      protected HttpServletRequest request;
  
      @Override
      protected OptionalThing<LoginManager> myLoginManager() {
          return OptionalThing.empty();
      }
  
      @Override
      public ActionResponse godHandPrologue(final ActionRuntime runtime) {
          if (!isAccessAllowed()) {
              return asJson(new ApiErrorResponse().message(getMessage(messages -> messages.addErrorsUnauthorizedRequest(GLOBAL)))
                      .status(Status.UNAUTHORIZED).result());
          }
          return super.godHandPrologue(runtime);
      }
  
      protected String getMessage(final VaMessenger<FessMessages> validationMessagesLambda) {
          final FessMessages messages = new FessMessages();
          validationMessagesLambda.message(messages);
          return messageManager.toMessageList(request.getLocale() == null ? Locale.ENGLISH : request.getLocale(), messages).stream()
                  .collect(Collectors.joining(" "));
      }
  
      protected boolean isAccessAllowed() {
          return false;
      }
  }