/*
    * 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.app.service;
  
  import static org.codelibs.core.stream.StreamUtil.stream;
  
  import java.util.List;
  
  import javax.annotation.Resource;
  
  import org.codelibs.core.beans.util.BeanUtil;
  import org.codelibs.fess.Constants;
  import org.codelibs.fess.app.pager.GroupPager;
  import org.codelibs.fess.es.user.cbean.GroupCB;
  import org.codelibs.fess.es.user.exbhv.GroupBhv;
  import org.codelibs.fess.es.user.exbhv.UserBhv;
  import org.codelibs.fess.es.user.exentity.Group;
  import org.codelibs.fess.mylasta.direction.FessConfig;
  import org.codelibs.fess.util.ComponentUtil;
  import org.dbflute.cbean.result.PagingResultBean;
  import org.dbflute.optional.OptionalEntity;
  
  public class GroupService {
  
      @Resource
      protected GroupBhv groupBhv;
  
      @Resource
      protected FessConfig fessConfig;
  
      @Resource
      protected UserBhv userBhv;
  
      public List<Group> getGroupList(final GroupPager groupPager) {
  
          final PagingResultBean<Group> groupList = groupBhv.selectPage(cb -> {
              cb.paging(groupPager.getPageSize(), groupPager.getCurrentPageNumber());
              setupListCondition(cb, groupPager);
          });
  
          // update pager
          BeanUtil.copyBeanToBean(groupList, groupPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
          groupPager.setPageNumberList(groupList.pageRange(op -> {
              op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
          }).createPageNumberList());
  
          return groupList;
      }
  
      public OptionalEntity<Group> getGroup(final String id) {
          return groupBhv.selectByPK(id).map(g -> {
              ComponentUtil.getLdapManager().apply(g);
              return g;
          });
      }
  
      public void store(final Group group) {
          ComponentUtil.getLdapManager().insert(group);
  
          groupBhv.insertOrUpdate(group, op -> {
              op.setRefreshPolicy(Constants.TRUE);
          });
  
      }
  
      public void delete(final Group group) {
          ComponentUtil.getLdapManager().delete(group);
  
          groupBhv.delete(group, op -> {
              op.setRefreshPolicy(Constants.TRUE);
          });
  
          userBhv.selectCursor(cb -> cb.query().setGroups_Equal(group.getId()), entity -> {
              entity.setGroups(
                      stream(entity.getGroups()).get(stream -> stream.filter(s -> !s.equals(group.getId())).toArray(n -> new String[n])));
              userBhv.insertOrUpdate(entity);
          });
  
      }
  
      protected void setupListCondition(final GroupCB cb, final GroupPager groupPager) {
          if (groupPager.id != null) {
              cb.query().docMeta().setId_Equal(groupPager.id);
          }
          // TODO Long, Integer, String supported only.
  
         // setup condition
         cb.query().addOrderBy_Name_Asc();
 
         // search
 
     }
 
     public List<Group> getAvailableGroupList() {
         return groupBhv.selectList(cb -> {
             cb.query().matchAll();
             cb.query().addOrderBy_Name_Asc();
             cb.paging(fessConfig.getPageGroupMaxFetchSizeAsInteger(), 1);
         });
     }
 
 }