content: /*
   * Copyright 2018-2024 adorsys GmbH & Co KG
   *
   * This program is free software: you can redistribute it and/or modify it
   * under the terms of the GNU Affero General Public License as published
   * by the Free Software Foundation, either version 3 of the License, or (at
   * your option) any later version. This program is distributed in the hope that
   * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
   * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   * See the GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program. If not, see https://www.gnu.org/licenses/.
   *
   * This project is also available under a separate commercial license. You can
   * contact us at sales@adorsys.com.
   */
  
  package de.adorsys.psd2.xs2a.web.validator.body;
  
  import de.adorsys.psd2.validator.payment.config.ValidationObject;
  import de.adorsys.psd2.xs2a.core.domain.TppMessageInformation;
  import de.adorsys.psd2.xs2a.core.error.MessageError;
  import de.adorsys.psd2.xs2a.web.validator.ErrorBuildingService;
  import lombok.AllArgsConstructor;
  import org.apache.commons.lang3.StringUtils;
  import org.springframework.stereotype.Component;
  
  import jakarta.validation.constraints.NotNull;
  import java.util.Objects;
  
  import static de.adorsys.psd2.xs2a.core.error.MessageErrorCode.*;
  
  @Component
  @AllArgsConstructor
  public class FieldLengthValidator {
      private final ErrorBuildingService errorBuildingService;
  
      public void checkFieldForMaxLength(String fieldToCheck, String fieldName, ValidationObject validationObject,
                                         MessageError messageError) {
          if (isFieldExtra(validationObject, fieldToCheck)) {
              errorBuildingService.enrichMessageError(messageError, TppMessageInformation.of(FORMAT_ERROR_EXTRA_FIELD, fieldName));
              return;
          }
  
          if (isFieldMissing(validationObject, fieldToCheck)) {
              errorBuildingService.enrichMessageError(messageError, TppMessageInformation.of(FORMAT_ERROR_EMPTY_FIELD, fieldName));
              return;
          }
  
          if (isFieldPresent(validationObject, fieldToCheck)) {
              checkFieldForMaxLength(fieldToCheck, fieldName, validationObject.getMaxLength(), messageError);
          }
      }
  
      private void checkFieldForMaxLength(@NotNull String fieldToCheck, String fieldName, int maxLength, MessageError messageError) {
          if (fieldToCheck.length() > maxLength) {
              errorBuildingService.enrichMessageError(messageError, TppMessageInformation.of(FORMAT_ERROR_OVERSIZE_FIELD, fieldName, maxLength));
          }
      }
  
      private boolean isFieldExtra(ValidationObject validationObject, String fieldToCheck) {
          return validationObject.isNone() && Objects.nonNull(fieldToCheck);
      }
  
      private boolean isFieldMissing(ValidationObject validationObject, String fieldToCheck) {
          return validationObject.isRequired() && StringUtils.isBlank(fieldToCheck);
      }
  
      private boolean isFieldPresent(ValidationObject validationObject, String fieldToCheck) {
          boolean isNotExtra = validationObject.isRequired() || validationObject.isOptional();
          return isNotExtra && StringUtils.isNotBlank(fieldToCheck);
      }
  }
  