/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.search.sort;

import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.script.Script;
import org.elasticsearch.search.sort.ScriptSortBuilder.ScriptSortType;

/**
 * A set of static factory methods for {@link SortBuilder}s.
 *
 *
 */
public class SortBuilders {

    /**
     * Constructs a new score sort.
     */
    public static ScoreSortBuilder scoreSort() {
        return new ScoreSortBuilder();
    }

    /**
     * Constructs a new field based sort.
     *
     * @param field The field name.
     */
    public static FieldSortBuilder fieldSort(String field) {
        return new FieldSortBuilder(field);
    }

    /**
     * Constructs a new script based sort.
     *
     * @param script The script to use.
     * @param type   The type, can either be "string" or "number".
     */
    public static ScriptSortBuilder scriptSort(Script script, ScriptSortType type) {
        return new ScriptSortBuilder(script, type);
    }

    /**
     * A geo distance based sort.
     *
     * @param fieldName The geo point like field name.
     * @param lat Latitude of the point to create the range distance facets from.
     * @param lon Longitude of the point to create the range distance facets from.
     *
     */
    public static GeoDistanceSortBuilder geoDistanceSort(String fieldName, double lat, double lon) {
        return new GeoDistanceSortBuilder(fieldName, lat, lon);
    }

    /**
     * Constructs a new distance based sort on a geo point like field.
     *
     * @param fieldName The geo point like field name.
     * @param points The points to create the range distance facets from.
     */
    public static GeoDistanceSortBuilder geoDistanceSort(String fieldName, GeoPoint... points) {
        return new GeoDistanceSortBuilder(fieldName, points);
    }

    /**
     * Constructs a new distance based sort on a geo point like field.
     *
     * @param fieldName The geo point like field name.
     * @param geohashes The points to create the range distance facets from.
     */
    public static GeoDistanceSortBuilder geoDistanceSort(String fieldName, String ... geohashes) {
        return new GeoDistanceSortBuilder(fieldName, geohashes);
    }
}