/*
 * Licensed to STRATIO (C) under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.  The STRATIO (C) 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 com.stratio.cassandra.lucene.search.sort.builder;

import com.stratio.cassandra.lucene.search.sort.Sort;
import com.stratio.cassandra.lucene.search.sort.SortField;
import com.stratio.cassandra.lucene.util.Builder;
import org.codehaus.jackson.annotate.JsonCreator;
import org.codehaus.jackson.annotate.JsonProperty;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * {@link Builder} for building a new {@link Sort}.
 *
 * @author Andres de la Pena {@literal <adelapena@stratio.com>}
 */
public class SortBuilder implements Builder<Sort> {

    /** The {@link SortField}s. */
    @JsonProperty("fields")
    final List<SortFieldBuilder> sortFieldBuilders;

    /**
     * Creates a new {@link SortBuilder} for the specified {@link SortFieldBuilder}.
     *
     * @param sortFieldBuilders The {@link SortFieldBuilder}s.
     */
    public SortBuilder(List<SortFieldBuilder> sortFieldBuilders) {
        this.sortFieldBuilders = sortFieldBuilders;
    }

    /**
     * Creates a new {@link SortBuilder} for the specified {@link SortFieldBuilder}.
     *
     * @param sortFieldBuilders The {@link SortFieldBuilder}s.
     */
    @JsonCreator
    public SortBuilder(@JsonProperty("fields") SortFieldBuilder... sortFieldBuilders) {
        this(Arrays.asList(sortFieldBuilders));
    }

    /** {@inheritDoc} */
    @Override
    public Sort build() {
        return new Sort(sortFieldBuilders.stream().map(SortFieldBuilder::build).collect(Collectors.toList()));
    }
}