package dmo.fs.db.dodex.oracle;

import jakarta.persistence.EntityManagerFactory;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.Serial;
import java.io.Serializable;

public class DodexDatabaseOracle /*extends DodexDatabaseBase*/ implements Serializable {
  @Serial
  private static final long serialVersionUID = 1L;
  private final static Logger logger = LoggerFactory.getLogger(DodexDatabaseOracle.class.getName());

  private static SessionFactory emf;
  static protected String dbName;

  public DodexDatabaseOracle() {
    super();
  }

//  @Override
  public void entityManagerSetup() {
    SessionFactory sessionFactory;
//    try {
//      sessionFactory = DodexEntityManager.getEmf();
//      if(sessionFactory == null) {
//        new DodexEntityManager();
//        sessionFactory = DodexEntityManager.getEmf();
//        emf = sessionFactory;
//      }
//    } catch (IOException ioe) {
//      throw new RuntimeException(ioe.getMessage());
//    }
//    entityManager = Objects.requireNonNull(sessionFactory).createEntityManager();

//    Map<String, Object> properties = sessionFactory.getProperties();
//    Object sessionDbname = properties.get("dbname");
//    dbName = sessionDbname != null ? sessionDbname.toString() : "dodex";
//    Object mode = properties.get("mode");
  }

//  @Override
  public void entityManagerSetup(EntityManagerFactory emf) {
  }

//  @Override
  public void configDatabase() {
    String[] types = {"TABLE"};

//    Session session = entityManager.unwrap(Session.class);

//    session.doWork(connection -> {
//      try {
//        connection.setAutoCommit(false);
//        DatabaseMetaData databaseMetaData = connection.getMetaData();
//        boolean didCreateATable = false;
//
//        ResultSet rsDbname = databaseMetaData.getTables(dbName, null, "USERS", types);
//
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("USERS"));
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("NAMEIDX"));
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("PASSWORDIDX"));
//          didCreateATable = true;
//          logger.info("Users Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "MESSAGES", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("MESSAGES"));
//          didCreateATable = true;
//          logger.info("Messages Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "UNDELIVERED", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("UNDELIVERED"));
//          didCreateATable = true;
//          logger.info("Undelivered Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "GROUPS", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("GROUPS"));
//          didCreateATable = true;
//          logger.info("Groups Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "MEMBER", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("MEMBER"));
//          didCreateATable = true;
//          logger.info("Member Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "GOLFER", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("GOLFER"));
//          didCreateATable = true;
//          logger.info("Golfer Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "COURSE", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("COURSE"));
//          didCreateATable = true;
//          logger.info("Course Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "RATINGS", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("RATINGS"));
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("RATINGSIDX"));
//          didCreateATable = true;
//          logger.info("Ratings Table Created.");
//        }
//        rsDbname = databaseMetaData.getTables(dbName, null, "SCORES", types);
//        if (!rsDbname.next()) {
//          connection.createStatement().execute(getDatabaseBuild().getCreateTable("SCORES"));
//          didCreateATable = true;
//          logger.info("Scores Table Created.");
//        }
//        if (didCreateATable) {
//          ResultSet rsSchemas = databaseMetaData.getCatalogs();
//          while (rsSchemas.next()) {
//            if (dbName.equals(rsSchemas.getString(1))) {
//              logger.warn("Used database: '{}' to Create Tables.", dbName);
//            }
//          }
//        }
//        rsDbname.close();
//        connection.commit();
//        connection.close();
//      } catch (SQLException se) {
//        throw new RuntimeException(se.getMessage());
//      }
//    });
//    setupSql(entityManager);
  }

  public SessionFactory getEmf() {
    return emf;
  }
}