/*
    *    Copyright 2009-2022 the original author or authors.
    *
    *    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
    *
    *       https://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.ibatis.submitted.serializecircular;
  
  import java.io.Reader;
  
  import org.apache.ibatis.BaseDataTest;
  import org.apache.ibatis.io.Resources;
  import org.apache.ibatis.session.SqlSession;
  import org.apache.ibatis.session.SqlSessionFactory;
  import org.apache.ibatis.session.SqlSessionFactoryBuilder;
  import org.junit.jupiter.api.Test;
  
  class SerializeCircularTest {
  
    @Test
    void serializeAndDeserializeObjectsWithAggressiveLazyLoadingWithoutPreloadingAttribute() throws Exception {
      try (SqlSession sqlSession = createSessionWithAggressiveLazyLoading()) {
        testSerializeWithoutPreloadingAttribute(sqlSession);
      }
    }
  
    @Test
    void serializeAndDeserializeObjectsWithAggressiveLazyLoadingWithPreloadingAttribute() throws Exception {
      try (SqlSession sqlSession = createSessionWithAggressiveLazyLoading()) {
        testSerializeWithPreloadingAttribute(sqlSession);
      }
    }
  
    @Test
    void serializeAndDeserializeObjectsWithoutAggressiveLazyLoadingWithoutPreloadingAttribute() throws Exception {
      try (SqlSession sqlSession = createSessionWithoutAggressiveLazyLoading()) {
        // expected problem with deserializing
        testSerializeWithoutPreloadingAttribute(sqlSession);
      }
    }
  
    @Test
    void serializeAndDeserializeObjectsWithoutAggressiveLazyLoadingWithPreloadingAttribute() throws Exception {
      try (SqlSession sqlSession = createSessionWithoutAggressiveLazyLoading()) {
        testSerializeWithPreloadingAttribute(sqlSession);
      }
    }
  
    private SqlSession createSessionWithoutAggressiveLazyLoading() throws Exception {
      return createSession(false);
    }
  
    private SqlSession createSessionWithAggressiveLazyLoading() throws Exception {
      return createSession(true);
    }
  
    private SqlSession createSession(boolean anAggressiveLazyLoading) throws Exception {
      String xmlConfig = anAggressiveLazyLoading
          ? "org/apache/ibatis/submitted/serializecircular/MapperConfigWithAggressiveLazyLoading.xml"
          : "org/apache/ibatis/submitted/serializecircular/MapperConfigWithoutAggressiveLazyLoading.xml";
      SqlSessionFactory sqlSessionFactory = getSqlSessionFactoryXmlConfig(xmlConfig);
      return sqlSessionFactory.openSession();
    }
  
    private void testSerializeWithPreloadingAttribute(SqlSession sqlSession) {
      testSerialize(sqlSession, true);
    }
  
    private void testSerializeWithoutPreloadingAttribute(SqlSession sqlSession) {
      testSerialize(sqlSession, false);
    }
  
    private void testSerialize(SqlSession sqlSession, boolean aPreloadAttribute) {
      DepartmentMapper departmentMapper = sqlSession.getMapper(DepartmentMapper.class);
      Department department = departmentMapper.getById(1);
      if (aPreloadAttribute) {
        department.getAttribute();
      }
  
      serializeAndDeserializeObject(department);
  
      // This call results in problems when deserializing department
      department.getPerson();
      serializeAndDeserializeObject(department);
    }
  
    void serializeAndDeserializeObject(Object anObject) {
      UtilityTester.serializeAndDeserializeObject(anObject);
    }
  
   private SqlSessionFactory getSqlSessionFactoryXmlConfig(String resource) throws Exception {
     try (Reader configReader = Resources.getResourceAsReader(resource)) {
       SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(configReader);
 
       BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
           "org/apache/ibatis/submitted/serializecircular/CreateDB.sql");
 
       return sqlSessionFactory;
     }
   }
 
 }