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/*
 * 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.exists;

import org.elasticsearch.action.support.QuerySourceBuilder;
import org.elasticsearch.action.support.broadcast.BroadcastOperationRequestBuilder;
import org.elasticsearch.client.ElasticsearchClient;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.index.query.QueryBuilder;

/**
 * @deprecated use {@link org.elasticsearch.action.search.SearchRequestBuilder} instead and set `size` to `0` and `terminate_after` to `1`
 */
@Deprecated
public class ExistsRequestBuilder extends BroadcastOperationRequestBuilder {

    private QuerySourceBuilder sourceBuilder;

    public ExistsRequestBuilder(ElasticsearchClient client, ExistsAction action) {
        super(client, action, new ExistsRequest());
    }

    /**
     * The types of documents the query will run against. Defaults to all types.
     */
    public ExistsRequestBuilder setTypes(String... types) {
        request.types(types);
        return this;
    }

    /**
     * A comma separated list of routing values to control the shards the search will be executed on.
     */
    public ExistsRequestBuilder setRouting(String routing) {
        request.routing(routing);
        return this;
    }

    /**
     * Sets the preference to execute the search. Defaults to randomize across shards. Can be set to
     * _local to prefer local shards, _primary to execute only on primary shards,
     * _shards:x,y to operate on shards x & y, or a custom value, which guarantees that the same order
     * will be used across different requests.
     */
    public ExistsRequestBuilder setPreference(String preference) {
        request.preference(preference);
        return this;
    }

    /**
     * The routing values to control the shards that the search will be executed on.
     */
    public ExistsRequestBuilder setRouting(String... routing) {
        request.routing(routing);
        return this;
    }

    /**
     * The query source to execute.
     *
     * @see org.elasticsearch.index.query.QueryBuilders
     */
    public ExistsRequestBuilder setQuery(QueryBuilder queryBuilder) {
        sourceBuilder().setQuery(queryBuilder);
        return this;
    }

    /**
     * The query binary to execute
     */
    public ExistsRequestBuilder setQuery(BytesReference queryBinary) {
        sourceBuilder().setQuery(queryBinary);
        return this;
    }

    /**
     * The source to execute.
     */
    public ExistsRequestBuilder setSource(BytesReference source) {
        request().source(source);
        return this;
    }

    /**
     * The query source to execute.
     */
    public ExistsRequestBuilder setSource(byte[] querySource) {
        request.source(querySource);
        return this;
    }

    @Override
    protected ExistsRequest beforeExecute(ExistsRequest request) {
        if (sourceBuilder != null) {
            request.source(sourceBuilder);
        }
        return request;
    }

    private QuerySourceBuilder sourceBuilder() {
        if (sourceBuilder == null) {
            sourceBuilder = new QuerySourceBuilder();
        }
        return sourceBuilder;
    }

}