/*
    *    Copyright 2009-2023 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.autoconstructor;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.io.Reader;
  import java.util.List;
  
  import org.apache.ibatis.BaseDataTest;
  import org.apache.ibatis.exceptions.PersistenceException;
  import org.apache.ibatis.executor.ExecutorException;
  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.assertj.core.api.Assertions;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  class AutoConstructorTest {
    private static SqlSessionFactory sqlSessionFactory;
  
    @BeforeAll
    static void setUp() throws Exception {
      // create a SqlSessionFactory
      try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/autoconstructor/mybatis-config.xml")) {
        sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
      }
  
      // populate in-memory database
      BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
          "org/apache/ibatis/autoconstructor/CreateDB.sql");
    }
  
    @Test
    void fullyPopulatedSubject() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        final AutoConstructorMapper mapper = sqlSession.getMapper(AutoConstructorMapper.class);
        final Object subject = mapper.getSubject(1);
        assertNotNull(subject);
      }
    }
  
    @Test
    void primitiveSubjects() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        final AutoConstructorMapper mapper = sqlSession.getMapper(AutoConstructorMapper.class);
        assertThrows(PersistenceException.class, mapper::getSubjects);
      }
    }
  
    @Test
    void annotatedSubject() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        final AutoConstructorMapper mapper = sqlSession.getMapper(AutoConstructorMapper.class);
        verifySubjects(mapper.getAnnotatedSubjects());
      }
    }
  
    @Test
    void badMultipleAnnotatedSubject() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        final AutoConstructorMapper mapper = sqlSession.getMapper(AutoConstructorMapper.class);
        final PersistenceException ex = assertThrows(PersistenceException.class, mapper::getBadAnnotatedSubjects);
        final ExecutorException cause = (ExecutorException) ex.getCause();
        assertEquals("@AutomapConstructor should be used in only one constructor.", cause.getMessage());
      }
    }
  
    @Test
    void badSubject() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        final AutoConstructorMapper mapper = sqlSession.getMapper(AutoConstructorMapper.class);
        assertThrows(PersistenceException.class, mapper::getBadSubjects);
      }
    }
  
    @Test
    void extensiveSubject() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        final AutoConstructorMapper mapper = sqlSession.getMapper(AutoConstructorMapper.class);
        verifySubjects(mapper.getExtensiveSubjects());
      }
   }
 
   private void verifySubjects(final List<?> subjects) {
     assertNotNull(subjects);
     Assertions.assertThat(subjects.size()).isEqualTo(3);
   }
 }