/*
    * 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.syncope.core.rest.cxf.service;
  
  import java.net.URI;
  import java.util.List;
  import java.util.Optional;
  import javax.ws.rs.core.Response;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.commons.lang3.tuple.Pair;
  import org.apache.syncope.common.lib.SyncopeConstants;
  import org.apache.syncope.common.lib.to.PagedResult;
  import org.apache.syncope.common.lib.to.ProvisioningResult;
  import org.apache.syncope.common.lib.to.RealmTO;
  import org.apache.syncope.common.rest.api.RESTHeaders;
  import org.apache.syncope.common.rest.api.beans.RealmQuery;
  import org.apache.syncope.common.rest.api.service.RealmService;
  import org.apache.syncope.core.logic.RealmLogic;
  import org.springframework.stereotype.Service;
  
  @Service
  public class RealmServiceImpl extends AbstractService implements RealmService {
  
      protected final RealmLogic logic;
  
      public RealmServiceImpl(final RealmLogic logic) {
          this.logic = logic;
      }
  
      @Override
      public PagedResult<RealmTO> search(final RealmQuery query) {
          Pair<Integer, List<RealmTO>> result = logic.search(
                  Optional.ofNullable(query.getKeyword()).map(k -> k.replace('*', '%')).orElse(null),
                  query.getBase(),
                  query.getPage(),
                  query.getSize());
          return buildPagedResult(result.getRight(), 1, result.getRight().size(), result.getLeft());
      }
  
      @Override
      public Response create(final String parentPath, final RealmTO realmTO) {
          ProvisioningResult<RealmTO> created =
                  logic.create(StringUtils.prependIfMissing(parentPath, SyncopeConstants.ROOT_REALM), realmTO);
          URI location = uriInfo.getAbsolutePathBuilder().path(created.getEntity().getName()).build();
          Response.ResponseBuilder builder = Response.created(location).
                  header(RESTHeaders.RESOURCE_KEY, created.getEntity().getFullPath());
  
          return applyPreference(created, builder).build();
      }
  
      @Override
      public Response update(final RealmTO realmTO) {
          realmTO.setFullPath(StringUtils.prependIfMissing(realmTO.getFullPath(), SyncopeConstants.ROOT_REALM));
          ProvisioningResult<RealmTO> updated = logic.update(realmTO);
          return modificationResponse(updated);
      }
  
      @Override
      public Response delete(final String fullPath) {
          ProvisioningResult<RealmTO> deleted =
                  logic.delete(StringUtils.prependIfMissing(fullPath, SyncopeConstants.ROOT_REALM));
          return modificationResponse(deleted);
      }
  }