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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
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package org.elasticsearch.rest.action.admin.indices;

import org.elasticsearch.action.admin.indices.rollover.RolloverRequest;
import org.elasticsearch.action.support.ActiveShardCount;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.RestToXContentListener;

import java.io.IOException;

public class RestRolloverIndexAction extends BaseRestHandler {
    public RestRolloverIndexAction(Settings settings, RestController controller) {
        super(settings);
        controller.registerHandler(RestRequest.Method.POST, "/{index}/_rollover", this);
        controller.registerHandler(RestRequest.Method.POST, "/{index}/_rollover/{new_index}", this);
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
        RolloverRequest rolloverIndexRequest = new RolloverRequest(request.param("index"), request.param("new_index"));
        request.applyContentParser(parser -> RolloverRequest.PARSER.parse(parser, rolloverIndexRequest, null));
        rolloverIndexRequest.dryRun(request.paramAsBoolean("dry_run", false));
        rolloverIndexRequest.timeout(request.paramAsTime("timeout", rolloverIndexRequest.timeout()));
        rolloverIndexRequest.masterNodeTimeout(request.paramAsTime("master_timeout", rolloverIndexRequest.masterNodeTimeout()));
        rolloverIndexRequest.setWaitForActiveShards(ActiveShardCount.parseString(request.param("wait_for_active_shards")));
        return channel -> client.admin().indices().rolloverIndex(rolloverIndexRequest, new RestToXContentListener<>(channel));
    }
}