/*
 * 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.action.suggest;

import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastResponse;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.search.suggest.Suggest;

import java.io.IOException;
import java.util.List;

import static org.elasticsearch.common.xcontent.ToXContent.EMPTY_PARAMS;

/**
 * The response of the suggest action.
 */
public final class SuggestResponse extends BroadcastResponse {

    private final Suggest suggest;

    SuggestResponse(Suggest suggest) {
        this.suggest = suggest;
    }

    SuggestResponse(Suggest suggest, int totalShards, int successfulShards, int failedShards, List<ShardOperationFailedException> shardFailures) {
        super(totalShards, successfulShards, failedShards, shardFailures);
        this.suggest = suggest;
    }

    /**
     * The Suggestions of the phrase.
     */
    public Suggest getSuggest() {
        return suggest;
    }

    @Override
    public void readFrom(StreamInput in) throws IOException {
        super.readFrom(in);
        this.suggest.readFrom(in);
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        this.suggest.writeTo(out);
    }

    @Override
    public String toString() {
        try {
            XContentBuilder builder = XContentFactory.jsonBuilder().prettyPrint();
            builder.startObject();
            suggest.toXContent(builder, EMPTY_PARAMS);
            builder.endObject();
            return builder.string();
        } catch (IOException e) {
            return "{ \"error\" : \"" + e.getMessage() + "\"}";
        }
    }
}