/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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
    *
   *   http://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.apache.syncope.core.persistence.jpa.validation.entity;
  
  import javax.validation.ConstraintValidatorContext;
  import org.apache.syncope.common.lib.types.EntityViolationType;
  import org.apache.syncope.core.persistence.api.dao.AllowedSchemas;
  import org.apache.syncope.core.persistence.api.entity.Any;
  import org.apache.syncope.core.persistence.api.entity.AnyUtilsFactory;
  import org.apache.syncope.core.persistence.api.entity.GroupableRelatable;
  import org.apache.syncope.core.persistence.api.entity.Membership;
  import org.apache.syncope.core.persistence.api.entity.PlainAttr;
  import org.apache.syncope.core.persistence.api.entity.PlainSchema;
  import org.apache.syncope.core.persistence.api.entity.group.Group;
  import org.apache.syncope.core.spring.ApplicationContextProvider;
  
  @SuppressWarnings("rawtypes")
  public class AnyValidator extends AbstractValidator<AnyCheck, Any> {
  
      private static boolean raiseNotAllowedViolation(
              final ConstraintValidatorContext context,
              final String schema,
              final Group group) {
  
          if (group == null) {
              context.buildConstraintViolationWithTemplate(
                      getTemplate(EntityViolationType.InvalidPlainAttr,
                              schema + " not allowed for this instance")).
                      addPropertyNode("plainAttrs").addConstraintViolation();
          } else {
              context.buildConstraintViolationWithTemplate(
                      getTemplate(EntityViolationType.InvalidPlainAttr,
                              schema + " not allowed for membership of group " + group.getName())).
                      addPropertyNode("plainAttrs").addConstraintViolation();
          }
          return false;
      }
  
      @Override
      public boolean isValid(final Any any, final ConstraintValidatorContext context) {
          context.disableDefaultConstraintViolation();
  
          AllowedSchemas<PlainSchema> allowedPlainSchemas =
                  ApplicationContextProvider.getApplicationContext().getBean(AnyUtilsFactory.class).
                          getInstance(any.getType().getKind()).dao().findAllowedSchemas(any, PlainSchema.class);
  
          for (PlainAttr<?> attr : ((Any<?>) any).getPlainAttrs()) {
              if (attr != null && !allowedPlainSchemas.forSelfContains(attr.getSchema().getKey())) {
                  return raiseNotAllowedViolation(context, attr.getSchema().getKey(), null);
              }
          }
          if (any instanceof GroupableRelatable) {
              for (Membership<?> membership : ((GroupableRelatable<?, ?, ?, ?, ?>) any).getMemberships()) {
                  for (PlainAttr<?> attr : ((GroupableRelatable<?, ?, ?, ?, ?>) any).getPlainAttrs(membership)) {
                      if (attr != null && !allowedPlainSchemas.forMembershipsContains(
                              membership.getRightEnd(), attr.getSchema().getKey())) {
  
                          return raiseNotAllowedViolation(
                                  context, attr.getSchema().getKey(), membership.getRightEnd());
                      }
                  }
              }
          }
  
          return true;
      }
  }