code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.test.utils;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.google.common.collect.ImmutableMap;
  import io.airbyte.commons.io.IOs;
  import io.airbyte.commons.json.Jsons;
  import io.airbyte.commons.string.Strings;
  import io.airbyte.db.Database;
  import io.airbyte.db.factory.DataSourceFactory;
  import io.airbyte.db.factory.DatabaseDriver;
  import io.airbyte.db.jdbc.DefaultJdbcDatabase;
  import io.airbyte.db.jdbc.JdbcDatabase;
  import io.airbyte.db.jdbc.JdbcUtils;
  import java.io.IOException;
  import java.util.UUID;
  import javax.sql.DataSource;
  import org.jooq.DSLContext;
  import org.testcontainers.containers.PostgreSQLContainer;
  import org.testcontainers.utility.MountableFile;
  
  public class PostgreSQLContainerHelper {
  
    public static void runSqlScript(final MountableFile file, final PostgreSQLContainer db) {
      try {
        final String scriptPath = "/etc/" + UUID.randomUUID() + ".sql";
        db.copyFileToContainer(file, scriptPath);
        db.execInContainer(
            "psql", "-d", db.getDatabaseName(), "-U", db.getUsername(), "-a", "-f", scriptPath);
  
      } catch (final InterruptedException | IOException e) {
        throw new RuntimeException(e);
      }
    }
  
    public static JsonNode createDatabaseWithRandomNameAndGetPostgresConfig(final PostgreSQLContainer<?> psqlDb) {
      final String dbName = Strings.addRandomSuffix("db", "_", 10).toLowerCase();
      return createDatabaseAndGetPostgresConfig(psqlDb, dbName);
    }
  
    public static JsonNode createDatabaseAndGetPostgresConfig(final PostgreSQLContainer<?> psqlDb, final String dbName) {
      final String initScriptName = "init_" + dbName.concat(".sql");
      final String tmpFilePath = IOs.writeFileToRandomTmpDir(initScriptName, "CREATE DATABASE " + dbName + ";");
      PostgreSQLContainerHelper.runSqlScript(MountableFile.forHostPath(tmpFilePath), psqlDb);
  
      return getDestinationConfig(psqlDb, dbName);
    }
  
    public static JsonNode getDestinationConfig(final PostgreSQLContainer<?> psqlDb, final String dbName) {
      return Jsons.jsonNode(ImmutableMap.builder()
          .put(JdbcUtils.HOST_KEY, psqlDb.getHost())
          .put(JdbcUtils.PORT_KEY, psqlDb.getFirstMappedPort())
          .put(JdbcUtils.DATABASE_KEY, dbName)
          .put(JdbcUtils.USERNAME_KEY, psqlDb.getUsername())
          .put(JdbcUtils.PASSWORD_KEY, psqlDb.getPassword())
          .put(JdbcUtils.SCHEMA_KEY, "public")
          .put(JdbcUtils.SSL_KEY, false)
          .build());
    }
  
    public static DataSource getDataSourceFromConfig(final JsonNode config) {
      return DataSourceFactory.create(
          config.get(JdbcUtils.USERNAME_KEY).asText(),
          config.get(JdbcUtils.PASSWORD_KEY).asText(),
          DatabaseDriver.POSTGRESQL.getDriverClassName(),
          String.format(DatabaseDriver.POSTGRESQL.getUrlFormatString(),
              config.get(JdbcUtils.HOST_KEY).asText(),
              config.get(JdbcUtils.PORT_KEY).asInt(),
              config.get(JdbcUtils.DATABASE_KEY).asText()));
    }
  
    public static Database getDatabaseFromConfig(final DSLContext dslContext) {
      return new Database(dslContext);
    }
  
    public static JdbcDatabase getJdbcDatabaseFromConfig(final DataSource dataSource) {
      return new DefaultJdbcDatabase(dataSource, JdbcUtils.getDefaultSourceOperations());
    }
  
  }
  