/*
    *    Copyright 2009-2025 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.mybatis.guice;
  
  import static java.lang.System.currentTimeMillis;
  
  import static com.google.inject.Guice.createInjector;
  import static com.google.inject.name.Names.bindProperties;
  import static com.google.inject.name.Names.named;
  
  import com.google.inject.Binder;
  import com.google.inject.Injector;
  import com.google.inject.Module;
  
  import java.io.StringReader;
  import java.sql.SQLException;
  import java.util.List;
  import java.util.Properties;
  
  import javax.sql.DataSource;
  
  import org.apache.ibatis.jdbc.ScriptRunner;
  import org.apache.ibatis.mapping.Environment;
  import org.apache.ibatis.session.SqlSessionFactory;
  import org.junit.jupiter.api.extension.AfterEachCallback;
  import org.junit.jupiter.api.extension.BeforeEachCallback;
  import org.junit.jupiter.api.extension.ExtensionContext;
  import org.junit.jupiter.api.extension.TestInstanceFactory;
  import org.junit.jupiter.api.extension.TestInstanceFactoryContext;
  import org.junit.jupiter.api.extension.TestInstantiationException;
  
  abstract class AbstractGuiceTestExtension implements AfterEachCallback, BeforeEachCallback, TestInstanceFactory {
  
    private final Injector injector;
  
    public AbstractGuiceTestExtension() throws SQLException {
      final Contact contact = new Contact();
      contact.setFirstName("John");
      contact.setLastName("Doe");
      contact.setCreated(new CustomType(currentTimeMillis()));
      contact.setAddress(null);
  
      final Contact contactWithAddress = new Contact();
      contactWithAddress.setFirstName("John");
      contactWithAddress.setLastName("Doe");
      contactWithAddress.setCreated(new CustomType(currentTimeMillis()));
  
      final Address address = new Address();
      address.setNumber(1234);
      address.setStreet("Elm street");
      contactWithAddress.setAddress(address);
  
      final Counter counter = new Counter();
  
      // bindings
      final List<Module> modules = this.createMyBatisModule();
      modules.add(new Module() {
        @Override
        public void configure(Binder binder) {
          bindProperties(binder, createTestProperties());
          binder.bind(Contact.class).toInstance(contact);
          binder.bind(Contact.class).annotatedWith(named("contactWithAddress")).toInstance(contactWithAddress);
          binder.bind(Counter.class).toInstance(counter);
        }
      });
      this.injector = createInjector(modules);
  
      // prepare the test db
      final Environment environment = this.injector.getInstance(SqlSessionFactory.class).getConfiguration()
          .getEnvironment();
      final DataSource dataSource = environment.getDataSource();
      final ScriptRunner runner = new ScriptRunner(dataSource.getConnection());
      runner.setAutoCommit(true);
      runner.setStopOnError(true);
      runner.runScript(new StringReader("DROP TABLE IF EXISTS contact;"
          + "CREATE TABLE contact (id int GENERATED BY DEFAULT AS IDENTITY (START WITH 1), "
          + "first_name VARCHAR(20) NOT NULL, " + "last_name VARCHAR(20) NOT NULL, " + "created TIMESTAMP, "
          + "address VARCHAR(100) DEFAULT NULL) ;"));
      dataSource.getConnection().close();
    }
  
    protected abstract List<Module> createMyBatisModule();
  
    protected abstract Properties createTestProperties();
  
    @Override
   public Object createTestInstance(TestInstanceFactoryContext factoryContext, ExtensionContext extensionContext)
       throws TestInstantiationException {
     return this.injector.getInstance(factoryContext.getTestClass());
   }
 
   @Override
   public void afterEach(ExtensionContext context) throws Exception {
     CleanDatabaseRule extension = injector.getInstance(CleanDatabaseRule.class);
     extension.evaluate();
   }
 
   @Override
   public void beforeEach(ExtensionContext context) throws Exception {
     CleanDatabaseRule extension = injector.getInstance(CleanDatabaseRule.class);
     extension.evaluate();
   }
 
 }