/*
    * Copyright 2012-2021 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.mylasta.direction.sponsor;
  
  import java.util.List;
  import java.util.Locale;
  
  import org.codelibs.fess.mylasta.direction.FessConfig;
  import org.dbflute.mail.send.SMailDeliveryDepartment;
  import org.dbflute.mail.send.SMailPostalMotorbike;
  import org.dbflute.mail.send.SMailPostalParkingLot;
  import org.dbflute.mail.send.SMailPostalPersonnel;
  import org.dbflute.mail.send.embedded.personnel.SMailDogmaticPostalPersonnel;
  import org.dbflute.mail.send.embedded.receptionist.SMailConventionReceptionist;
  import org.dbflute.mail.send.supplement.async.SMailAsyncStrategy;
  import org.dbflute.mail.send.supplement.filter.SMailSubjectFilter;
  import org.dbflute.mail.send.supplement.label.SMailLabelStrategy;
  import org.dbflute.optional.OptionalThing;
  import org.dbflute.util.DfStringUtil;
  import org.lastaflute.core.magic.async.AsyncManager;
  import org.lastaflute.core.magic.async.ConcurrentAsyncCall;
  import org.lastaflute.core.message.MessageManager;
  import org.lastaflute.core.util.ContainerUtil;
  
  /**
   * @author jflute
   */
  public class FessMailDeliveryDepartmentCreator {
  
      // ===================================================================================
      //                                                                           Attribute
      //                                                                           =========
      protected final FessConfig fessConfig;
  
      // ===================================================================================
      //                                                                         Constructor
      //                                                                         ===========
      public FessMailDeliveryDepartmentCreator(final FessConfig fessConfig) {
          this.fessConfig = fessConfig;
      }
  
      // ===================================================================================
      //                                                                              Create
      //                                                                              ======
      public SMailDeliveryDepartment create() {
          return new SMailDeliveryDepartment(createPostalParkingLot(), createPostalPersonnel());
      }
  
      // -----------------------------------------------------
      //                                    Postal Parking Lot
      //                                    ------------------
      protected SMailPostalParkingLot createPostalParkingLot() {
          final SMailPostalParkingLot parkingLot = new SMailPostalParkingLot();
          final SMailPostalMotorbike motorbike = new SMailPostalMotorbike();
          final String hostAndPort = fessConfig.getMailSmtpServerMainHostAndPort();
          final List<String> hostPortList = DfStringUtil.splitListTrimmed(hostAndPort, ":");
          motorbike.registerConnectionInfo(hostPortList.get(0), Integer.parseInt(hostPortList.get(1)));
          motorbike.registerReturnPath(fessConfig.getMailReturnPath());
          parkingLot.registerMotorbikeAsMain(motorbike);
          return parkingLot;
      }
  
      // -----------------------------------------------------
      //                                      Postal Personnel
      //                                      ----------------
      protected SMailPostalPersonnel createPostalPersonnel() {
          final SMailDogmaticPostalPersonnel personnel = createDogmaticPostalPersonnel();
          return fessConfig.isMailSendMock() ? personnel.asTraining() : personnel;
      }
  
      protected SMailDogmaticPostalPersonnel createDogmaticPostalPersonnel() { // #ext_point e.g. locale, database
          final AsyncManager asyncManager = getAsyncManager();
          final MessageManager messageManager = getMessageManager();
          return new SMailDogmaticPostalPersonnel() {
  
              // *if you need user locale switching or templates from database,
              // override createConventionReceptionist() (see the method for the details)
              @Override
              protected SMailConventionReceptionist createConventionReceptionist() {
                  return super.createConventionReceptionist().asReceiverLocale(postcard -> OptionalThing.empty());
              }
  
              @Override
              protected OptionalThing<SMailSubjectFilter> createSubjectFilter() {
                  return OptionalThing.of((view, subject) -> subject);
              }
 
             @Override
             protected OptionalThing<SMailAsyncStrategy> createAsyncStrategy() {
                 return OptionalThing.of((view, runnable) -> async(asyncManager, runnable));
             }
 
             @Override
             protected OptionalThing<SMailLabelStrategy> createLabelStrategy() {
                 return OptionalThing.of((view, locale, label) -> resolveLabelIfNeeds(messageManager, locale, label));
             }
         };
     }
 
     // ===================================================================================
     //                                                                        Asynchronous
     //                                                                        ============
     protected void async(final AsyncManager asyncManager, final Runnable runnable) {
         asyncManager.async(new ConcurrentAsyncCall() {
             @Override
             public void callback() {
                 runnable.run();
             }
 
             @Override
             public boolean asPrimary() {
                 return true; // mail is primary business
             }
         });
     }
 
     // ===================================================================================
     //                                                                       Resolve Label
     //                                                                       =============
     protected String resolveLabelIfNeeds(final MessageManager messageManager, final Locale locale, final String label) {
         return label.startsWith("labels.") ? messageManager.getMessage(locale, label) : label;
     }
 
     // ===================================================================================
     //                                                                           Component
     //                                                                           =========
     protected MessageManager getMessageManager() {
         return ContainerUtil.getComponent(MessageManager.class);
     }
 
     protected AsyncManager getAsyncManager() {
         return ContainerUtil.getComponent(AsyncManager.class);
     }
 }