@Slf4j
@Getter
public class DynamoDbEncryptionFactory {
 private final DynamoDbEnhancedClient enhancedClient;
 public DynamoDbEncryptionFactory(String kmsKeyId, Map<String, List<?>> tableSchemas, AwsService awsService) {
 final MaterialProviders matProv = MaterialProviders.builder()
 .MaterialProvidersConfig(MaterialProvidersConfig.builder().build())
 .build();
 final IKeyring kmsKeyring = matProv.CreateAwsKmsMrkMultiKeyring(
 CreateAwsKmsMrkMultiKeyringInput.builder().generator(kmsKeyId).build()
 );
 // Tried to add legacy encryptor/decryptor but it doesn't work with the new SDK
 final DirectKmsMaterialProvider cmp = new DirectKmsMaterialProvider(awsService.getV1KMSClient(), kmsKeyId);
 final DynamoDBEncryptor encryptor = DynamoDBEncryptor.getInstance(cmp);
 LegacyOverride legacyOverride = LegacyOverride.builder().policy(LegacyPolicy.FORBID_LEGACY_ENCRYPT_ALLOW_LEGACY_DECRYPT)
 .encryptor(encryptor)
 .attributeActionsOnEncrypt(Collections.emptyMap())
 .build();
 Map<String, DynamoDbEnhancedTableEncryptionConfig> tableConfigs = new HashMap<>();
 for (Map.Entry<String, List<?>> entry : tableSchemas.entrySet()) {
 DynamoDbEnhancedTableEncryptionConfig build = DynamoDbEnhancedTableEncryptionConfig.builder()
 .logicalTableName(entry.getKey())
 .keyring(kmsKeyring)
 .schemaOnEncrypt((TableSchema<?>) entry.getValue().get(0))
 .build();
 if(!((Map)entry.getValue().get(2)).isEmpty()){
 log.info("Adding legacy override for table {}", entry.getKey());
 log.info("Legacy override: {}", entry.getValue().get(2));
 legacyOverride = legacyOverride.toBuilder().attributeActionsOnEncrypt((Map<String, CryptoAction>) entry.getValue().get(2)).build();
 build = build.toBuilder()
 .legacyOverride(legacyOverride)
 .build();
 }
 if(!((List) entry.getValue().get(1)).isEmpty()) {
 build = build.toBuilder()
 .allowedUnsignedAttributes((List<String>) entry.getValue().get(1))
 .build();
 }
 tableConfigs.put(
 entry.getKey(),
 build
 );
 }
 final DynamoDbEncryptionInterceptor encryptionInterceptor =
 DynamoDbEnhancedClientEncryption.CreateDynamoDbEncryptionInterceptor(
 CreateDynamoDbEncryptionInterceptorInput.builder()
 .tableEncryptionConfigs(tableConfigs)
 .build()
 );
 DynamoDbClient encryptedDynamoDbClient = DynamoDbClient.builder()
 .region(Region.of(awsService.getRegion()))
 .credentialsProvider(awsService.getAwsCredentialsProvider())
 .overrideConfiguration(
 ClientOverrideConfiguration.builder()
 .addExecutionInterceptor(encryptionInterceptor)
 .build()
 )
 .build();
 this.enhancedClient = DynamoDbEnhancedClient.builder()
 .dynamoDbClient(encryptedDynamoDbClient)
 .build();
 }
}

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