/*
    * 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.myfaces.extensions.validator.beanval;
  
  import org.apache.myfaces.extensions.validator.core.property.PropertyDetails;
  import org.apache.myfaces.extensions.validator.core.property.PropertyInformation;
  import org.apache.myfaces.extensions.validator.internal.UsageCategory;
  import org.apache.myfaces.extensions.validator.internal.UsageInformation;
  import org.apache.myfaces.extensions.validator.util.ExtValUtils;
  import org.apache.myfaces.extensions.validator.util.ConstraintSourceUtils;
  import org.apache.myfaces.extensions.validator.beanval.util.BeanValidationUtils;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  import javax.validation.ConstraintViolation;
  import javax.validation.groups.Default;
  import javax.validation.metadata.ElementDescriptor;
  import java.util.Collections;
  import java.util.Set;
  import java.util.logging.Logger;
  
  /**
   * @since r4
   */
  @UsageInformation(UsageCategory.INTERNAL)
  class MappedConstraintSourceBeanValidationModuleValidationInterceptorInternals
  {
      private Logger logger;
      private BeanValidationModuleValidationInterceptorInternals bviUtils;
  
      MappedConstraintSourceBeanValidationModuleValidationInterceptorInternals(
              Logger logger, BeanValidationModuleValidationInterceptorInternals bviUtils)
      {
          this.logger = logger;
          this.bviUtils = bviUtils;
      }
  
      void initComponentWithPropertyDetailsOfMappedConstraintSource(FacesContext facesContext,
                                                                    UIComponent uiComponent,
                                                                    PropertyDetails propertyDetails)
      {
          Class[] foundGroups = this.bviUtils.resolveGroups(facesContext, uiComponent);
  
          if (foundGroups == null)
          {
              return;
          }
          else if (foundGroups.length == 0)
          {
              foundGroups = new Class[]{Default.class};
          }
  
          PropertyDetails constraintSourcePropertyDetails = resolveMappedConstraintSourceFor(
                  propertyDetails.getKey(), propertyDetails.getBaseObject().getClass(), propertyDetails.getProperty());
  
          if(constraintSourcePropertyDetails == null)
          {
              return;
          }
  
          ElementDescriptor elementDescriptor =
                  BeanValidationUtils.getElementDescriptor((Class) constraintSourcePropertyDetails.getBaseObject(),
                          constraintSourcePropertyDetails.getProperty());
  
          if (elementDescriptor == null)
          {
              return;
          }
  
          this.bviUtils.processElementDescriptor(facesContext, uiComponent, foundGroups, elementDescriptor);
      }
  
      Set<ConstraintViolation<Object>> validateMappedConstraintSource(FacesContext facesContext,
                                                              UIComponent uiComponent,
                                                              Object convertedObject,
                                                              PropertyInformation propertyInformation,
                                                              boolean cascadedValidation)
      {
          Class baseBeanClass = this.bviUtils.getBaseClassType(propertyInformation);
          String propertyName = this.bviUtils.getPropertyToValidate(propertyInformation);
          String originalKey = getKey(propertyInformation);
  
          PropertyDetails constraintSourcePropertyDetails =
                 resolveMappedConstraintSourceFor(originalKey, baseBeanClass, propertyName);
 
         if(constraintSourcePropertyDetails == null)
         {
             return Collections.emptySet();
         }
 
         baseBeanClass = (Class) constraintSourcePropertyDetails.getBaseObject();
         propertyName = constraintSourcePropertyDetails.getProperty();
 
         Class[] groups = this.bviUtils.resolveGroups(facesContext, uiComponent);
 
         if (groups == null)
         {
             return null;
         }
 
         return BeanValidationUtils.validate(baseBeanClass, propertyName, convertedObject, groups, cascadedValidation);
     }
 
     private String getKey(PropertyInformation propertyInformation)
     {
         return ExtValUtils.getPropertyDetails(propertyInformation).getKey();
     }
 
     PropertyDetails resolveMappedConstraintSourceFor(String originalKey, Class baseBeanClass, String property)
     {
         return ConstraintSourceUtils.resolveMappedConstraintSourceFor(originalKey, baseBeanClass, property);
     }
 }