/*
 * 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.internal;

import org.elasticsearch.action.search.SearchResponseSections;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.aggregations.InternalAggregations;
import org.elasticsearch.search.profile.SearchProfileShardResults;
import org.elasticsearch.search.suggest.Suggest;

import java.io.IOException;

/**
 * {@link SearchResponseSections} subclass that can be serialized over the wire.
 */
public class InternalSearchResponse extends SearchResponseSections implements Writeable, ToXContentFragment {

    public static InternalSearchResponse empty() {
        return new InternalSearchResponse(SearchHits.empty(), null, null, null, false, null, 1);
    }

    public InternalSearchResponse(SearchHits hits, InternalAggregations aggregations, Suggest suggest,
                                  SearchProfileShardResults profileResults, boolean timedOut, Boolean terminatedEarly,
                                  int numReducePhases) {
        super(hits, aggregations, suggest, timedOut, terminatedEarly, profileResults, numReducePhases);
    }

    public InternalSearchResponse(StreamInput in) throws IOException {
        super(
                SearchHits.readSearchHits(in),
                in.readBoolean() ? InternalAggregations.readAggregations(in) : null,
                in.readBoolean() ? new Suggest(in) : null,
                in.readBoolean(),
                in.readOptionalBoolean(),
                in.readOptionalWriteable(SearchProfileShardResults::new),
                in.readVInt()
        );
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        hits.writeTo(out);
        out.writeOptionalStreamable((InternalAggregations)aggregations);
        out.writeOptionalWriteable(suggest);
        out.writeBoolean(timedOut);
        out.writeOptionalBoolean(terminatedEarly);
        out.writeOptionalWriteable(profileResults);
        out.writeVInt(numReducePhases);
    }
}
