/*
    *    Copyright 2016-2026 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 examples.animal.data;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.fail;
  
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  import org.apache.ibatis.datasource.unpooled.UnpooledDataSource;
  import org.apache.ibatis.jdbc.ScriptRunner;
  import org.apache.ibatis.mapping.Environment;
  import org.apache.ibatis.session.Configuration;
  import org.apache.ibatis.session.SqlSession;
  import org.apache.ibatis.session.SqlSessionFactory;
  import org.apache.ibatis.session.SqlSessionFactoryBuilder;
  import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for understanding where bind parameters are allowed
   */
  class BindingTest {
  
      private static final String JDBC_URL = "jdbc:hsqldb:mem:aname";
      private static final String JDBC_DRIVER = "org.hsqldb.jdbcDriver";
  
      private SqlSessionFactory sqlSessionFactory;
  
      @BeforeEach
      void setup() throws Exception {
          Class.forName(JDBC_DRIVER);
          try (InputStream is = getClass().getResourceAsStream("/examples/animal/data/CreateAnimalData.sql")) {
              assert is != null;
              try (Connection connection = DriverManager.getConnection(JDBC_URL, "sa", "");
                  InputStreamReader isr = new InputStreamReader(is)) {
                  ScriptRunner sr = new ScriptRunner(connection);
                  sr.setLogWriter(null);
                  sr.runScript(isr);
              }
          }
  
          UnpooledDataSource ds = new UnpooledDataSource(JDBC_DRIVER, JDBC_URL, "sa", "");
          Environment environment = new Environment("test", new JdbcTransactionFactory(), ds);
          Configuration config = new Configuration(environment);
          config.addMapper(AnimalDataMapper.class);
          sqlSessionFactory = new SqlSessionFactoryBuilder().build(config);
      }
  
      @Test
      void testBindInSelectList() {
          try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
              Connection connection = sqlSession.getConnection();
  
              PreparedStatement ps = connection.prepareStatement("select brain_weight + ? as calc from AnimalData where id = ?");
              ps.setDouble(1, 1.0);
              ps.setInt(2, 1);
  
              ResultSet rs = ps.executeQuery();
              double calculatedWeight = 0.0;
              if (rs.next()) {
                  calculatedWeight = rs.getDouble("CALC");
              }
  
              rs.close();
              ps.close();
  
              assertThat(calculatedWeight).isEqualTo(1.005);
          } catch (SQLException e) {
              fail("SQL Exception", e);
          }
      }
  
      @Test
      void testBindInWeirdWhere() {
          try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
              Connection connection = sqlSession.getConnection();
  
              PreparedStatement ps = connection.prepareStatement("select brain_weight from AnimalData where brain_weight + ? > ? and id = ?");
             ps.setDouble(1, 1.0);
             ps.setDouble(2, 1.0);
             ps.setInt(3, 1);
 
             ResultSet rs = ps.executeQuery();
             double calculatedWeight = 0.0;
             if (rs.next()) {
                 calculatedWeight = rs.getDouble("BRAIN_WEIGHT");
             }
 
             rs.close();
             ps.close();
 
             assertThat(calculatedWeight).isEqualTo(.005);
         } catch (SQLException e) {
             fail("SQL Exception", e);
         }
     }
 }