/**
    * Copyright © 2018 spring-data-dynamodb (https://github.com/derjust/spring-data-dynamodb)
    *
    * Licensed 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.socialsignin.spring.data.dynamodb.mapping;
  
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBHashKey;
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBIgnore;
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBVersionAttribute;
  import org.springframework.data.annotation.Id;
  import org.springframework.data.annotation.Reference;
  import org.springframework.data.annotation.Transient;
  import org.springframework.data.mapping.Association;
  import org.springframework.data.mapping.model.AnnotationBasedPersistentProperty;
  import org.springframework.data.mapping.model.Property;
  import org.springframework.data.mapping.model.SimpleTypeHolder;
  
  import java.lang.annotation.Annotation;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * {@link DynamoDBPersistentProperty} implementation
   * 
   * @author Michael Lavelle
   * @author Sebastian Just
   */
  class DynamoDBPersistentPropertyImpl extends AnnotationBasedPersistentProperty<DynamoDBPersistentProperty>
  		implements
  			DynamoDBPersistentProperty {
  
  	private static final Collection<Class<? extends Annotation>> ASSOCIATION_ANNOTATIONS;
  	private static final Collection<Class<? extends Annotation>> ID_ANNOTATIONS;
  
  	static {
  
  		Set<Class<? extends Annotation>> annotations = new HashSet<Class<? extends Annotation>>();
  
  		annotations.add(Reference.class); // Reference not yet supported
  		ASSOCIATION_ANNOTATIONS = Collections.unmodifiableSet(annotations);
  
  		annotations = new HashSet<>();
  		annotations.add(Id.class);
  		annotations.add(DynamoDBHashKey.class);
  		ID_ANNOTATIONS = annotations;
  	}
  
  	/**
  	 * Creates a new {@link DynamoDBPersistentPropertyImpl}
  	 * 
  	 * @param property
  	 *            must not be {@literal null}.
  	 * @param owner
  	 *            must not be {@literal null}.
  	 * @param simpleTypeHolder
  	 *            must not be {@literal null}.
  	 */
  
  	public DynamoDBPersistentPropertyImpl(Property property, DynamoDBPersistentEntityImpl<?> owner,
  			SimpleTypeHolder simpleTypeHolder) {
  		super(property, owner, simpleTypeHolder);
  	}
  
  	@Override
  	public boolean isWritable() {
  		return !isAnnotationPresent(DynamoDBIgnore.class);
  	}
  
  	public boolean isHashKeyProperty() {
  		return isAnnotationPresent(DynamoDBHashKey.class);
  	}
  
  	public boolean isCompositeIdProperty() {
  		return isAnnotationPresent(Id.class);
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see org.springframework.data.mapping.model.AnnotationBasedPersistentProperty
  	 * #isIdProperty()
  	 */
  	@Override
  	public boolean isIdProperty() {
  
  		for (Class<? extends Annotation> annotation : ID_ANNOTATIONS) {
 			if (isAnnotationPresent(annotation)) {
 				return true;
 			}
 		}
 
 		return false;
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see
 	 * org.springframework.data.mapping.model.AbstractPersistentProperty#isEntity ()
 	 */
 	// @Override
 
 	public boolean isEntity() {
 
 		return isAnnotationPresent(Reference.class);// Reference not Yet
 		// Supported
 		// return propertyDescriptor != null
 		// && propertyDescriptor.getPropertyType().isAnnotationPresent(
 		// DynamoDBTable.class);
 
 		// return false;
 
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see org.springframework.data.mapping.model.AnnotationBasedPersistentProperty
 	 * #isAssociation()
 	 */
 	@Override
 	public boolean isAssociation() {
 
 		for (Class<? extends Annotation> annotationType : ASSOCIATION_ANNOTATIONS) {
 			if (findAnnotation(annotationType) != null) {
 				// No query lookup yet supported ( see
 				// Repositories.getPersistentEntity(..) )
 				// return !information.isCollectionLike();
 				return true;
 			}
 		}
 
 		return false;
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see org.springframework.data.mapping.model.AnnotationBasedPersistentProperty
 	 * #isTransient()
 	 */
 	@Override
 	public boolean isTransient() {
 		return isAnnotationPresent(Transient.class) || super.isTransient() || isAnnotationPresent(DynamoDBIgnore.class);
 	}
 
 	@Override
 	public boolean isVersionProperty() {
 		return super.isVersionProperty() || isAnnotationPresent(DynamoDBVersionAttribute.class);
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see org.springframework.data.mapping.model.AbstractPersistentProperty#
 	 * createAssociation()
 	 */
 	@Override
 	protected Association<DynamoDBPersistentProperty> createAssociation() {
 		return new Association<DynamoDBPersistentProperty>(this, null);
 	}
 }