/*
    * 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.provisioning.java.pushpull.stream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import com.fasterxml.jackson.dataformat.csv.CsvSchema;
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.util.List;
  import java.util.stream.Collectors;
  import org.apache.syncope.common.lib.SyncopeConstants;
  import org.apache.syncope.common.lib.to.ProvisioningReport;
  import org.apache.syncope.common.lib.to.PullTaskTO;
  import org.apache.syncope.common.lib.types.AnyTypeKind;
  import org.apache.syncope.common.lib.types.ConflictResolutionAction;
  import org.apache.syncope.common.lib.types.MatchingRule;
  import org.apache.syncope.common.lib.types.ResourceOperation;
  import org.apache.syncope.common.lib.types.UnmatchingRule;
  import org.apache.syncope.common.rest.api.beans.CSVPullSpec;
  import org.apache.syncope.core.persistence.api.dao.AnyTypeDAO;
  import org.apache.syncope.core.persistence.api.dao.UserDAO;
  import org.apache.syncope.core.persistence.api.entity.user.User;
  import org.apache.syncope.core.provisioning.api.pushpull.stream.SyncopeStreamPullExecutor;
  import org.apache.syncope.core.provisioning.java.AbstractTest;
  import org.apache.syncope.core.spring.ApplicationContextProvider;
  import org.apache.syncope.core.spring.security.AuthContextUtils;
  import org.junit.jupiter.api.Test;
  import org.quartz.JobExecutionException;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.support.AbstractBeanDefinition;
  import org.springframework.transaction.annotation.Transactional;
  
  @Transactional("Master")
  public class StreamPullJobDelegateTest extends AbstractTest {
  
      @Autowired
      private AnyTypeDAO anyTypeDAO;
  
      @Autowired
      private UserDAO userDAO;
  
      private SyncopeStreamPullExecutor executor;
  
      private SyncopeStreamPullExecutor executor() {
          synchronized (this) {
              if (executor == null) {
                  executor = (SyncopeStreamPullExecutor) ApplicationContextProvider.getBeanFactory().
                          createBean(StreamPullJobDelegate.class, AbstractBeanDefinition.AUTOWIRE_BY_NAME, false);
              }
          }
          return executor;
      }
  
      @Test
      public void pull() throws JobExecutionException, IOException {
          List<String> columns = List.of(
                  "username",
                  "email",
                  "surname",
                  "firstname",
                  "fullname",
                  "userId");
  
          StringBuilder csv = new StringBuilder();
          csv.append(columns.stream().collect(Collectors.joining(",")));
          csv.append('\n');
          csv.append("donizetti,");
          csv.append("donizetti@apache.org,");
          csv.append("Donizetti,");
          csv.append("Gaetano,");
          csv.append("Gaetano Donizetti,");
          csv.append("donizetti@apache.org");
          csv.append('\n');
  
          PullTaskTO pullTask = new PullTaskTO();
          pullTask.setDestinationRealm(SyncopeConstants.ROOT_REALM);
          pullTask.setRemediation(false);
          pullTask.setMatchingRule(MatchingRule.UPDATE);
          pullTask.setUnmatchingRule(UnmatchingRule.PROVISION);
  
          List<ProvisioningReport> results = AuthContextUtils.callAsAdmin(SyncopeConstants.MASTER_DOMAIN, () -> {
             try (CSVStreamConnector connector = new CSVStreamConnector(
                     "username",
                     ";",
                     new CsvSchema.Builder().setUseHeader(true),
                     new ByteArrayInputStream(csv.toString().getBytes()),
                     null)) {
 
                 List<String> csvColumns = connector.getColumns(new CSVPullSpec());
                 assertEquals(columns, csvColumns);
 
                 return executor().pull(
                         anyTypeDAO.findUser(),
                         "username",
                         columns,
                         ConflictResolutionAction.IGNORE,
                         null,
                         connector,
                         pullTask,
                         "whoever");
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
         });
         assertEquals(1, results.size());
 
         assertEquals(AnyTypeKind.USER.name(), results.get(0).getAnyType());
         assertNotNull(results.get(0).getKey());
         assertEquals("donizetti", results.get(0).getName());
         assertEquals("donizetti", results.get(0).getUidValue());
         assertEquals(ResourceOperation.CREATE, results.get(0).getOperation());
         assertEquals(ProvisioningReport.Status.SUCCESS, results.get(0).getStatus());
 
         User donizetti = userDAO.find(results.get(0).getKey());
         assertNotNull(donizetti);
         assertEquals("donizetti", donizetti.getUsername());
         assertEquals("Gaetano", donizetti.getPlainAttr("firstname").get().getValuesAsStrings().get(0));
     }
 }