/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.search.cfg;

import java.lang.annotation.ElementType;
import java.util.Map;
import java.util.HashMap;

import org.apache.lucene.analysis.util.TokenizerFactory;

import org.hibernate.search.analyzer.Discriminator;
import org.hibernate.search.annotations.Resolution;
import org.hibernate.search.bridge.FieldBridge;
import org.hibernate.search.engine.BoostStrategy;

/**
 * @author Emmanuel Bernard
 */
public class PropertyMapping {

	protected final SearchMapping mapping;
	protected final EntityDescriptor entity;
	protected final PropertyDescriptor property;

	public PropertyMapping(String name, ElementType type, EntityDescriptor entity, SearchMapping mapping) {
		this.mapping = mapping;
		this.entity = entity;
		this.property = entity.getProperty( name, type );
	}

	protected PropertyMapping(PropertyDescriptor property, EntityDescriptor entity, SearchMapping mapping) {
		this.mapping = mapping;
		this.entity = entity;
		this.property = property;
	}

	public DocumentIdMapping documentId() {
		return new DocumentIdMapping( property, entity, mapping );
	}

	public FieldMapping field() {
		return new FieldMapping( property, entity, mapping );
	}

	public PropertySpatialMapping spatial() {
		return new PropertySpatialMapping( property, entity, mapping );
	}

	public PropertyLatitudeMapping latitude() {
		return new PropertyLatitudeMapping( property, entity, mapping );
	}

	public PropertyLongitudeMapping longitude() {
		return new PropertyLongitudeMapping( property, entity, mapping );
	}

	public DateBridgeMapping dateBridge(Resolution resolution) {
		return new DateBridgeMapping( mapping, entity, property, resolution );
	}

	public CalendarBridgeMapping calendarBridge(Resolution resolution) {
		return new CalendarBridgeMapping( mapping, entity, property, resolution );
	}

	public PropertyMapping analyzerDiscriminator(Class<? extends Discriminator> discriminator) {
		Map<String, Object> analyzerDiscriminatorAnn = new HashMap<String, Object>();
		analyzerDiscriminatorAnn.put( "impl", discriminator );
		property.setAnalyzerDiscriminator( analyzerDiscriminatorAnn );
		return this;
	}

	/**
	 * @param impl The class for an implementation of {@link BoostStrategy}.
	 * @return this mapping, for chained calls.
	 *
	 * @deprecated Index-time boosting will not be possible anymore starting from Lucene 7.
	 * You should use query-time boosting instead, for instance by calling
	 * {@link org.hibernate.search.query.dsl.FieldCustomization#boostedTo(float) boostedTo(float)}
	 * when building queries with the Hibernate Search query DSL.
	 */
	@Deprecated
	public PropertyMapping dynamicBoost(Class<? extends BoostStrategy> impl) {
		final Map<String, Object> dynamicBoostAnn = new HashMap<String, Object>();
		dynamicBoostAnn.put( "impl", impl );
		property.setDynamicBoost( dynamicBoostAnn );
		return this;
	}

	public PropertyMapping property(String name, ElementType type) {
		return new PropertyMapping( name, type, entity, mapping );
	}

	public AnalyzerDefMapping analyzerDef(String name, Class<? extends TokenizerFactory> tokenizerFactory) {
		return analyzerDef( name, "", tokenizerFactory );
	}

	public AnalyzerDefMapping analyzerDef(String name, String tokenizerName, Class<? extends TokenizerFactory> tokenizerFactory) {
		return new AnalyzerDefMapping( name, tokenizerName, tokenizerFactory, mapping );
	}

	public NormalizerDefMapping normalizerDef(String name) {
		return new NormalizerDefMapping( name, mapping );
	}

	public EntityMapping entity(Class<?> entityType) {
		return new EntityMapping( entityType, mapping );
	}

	public IndexEmbeddedMapping indexEmbedded() {
		return new IndexEmbeddedMapping( mapping, property, entity );
	}

	public ContainedInMapping containedIn() {
		return new ContainedInMapping( mapping, property, entity );
	}

	public PropertyMapping bridge(Class<? extends FieldBridge> fieldBridge) {
		return new FieldBridgeDirectMapping( property, entity, mapping, fieldBridge );
	}
}
