/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

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

import org.elasticsearch.action.admin.cluster.node.tasks.get.GetTaskRequest;
import org.elasticsearch.client.internal.node.NodeClient;
import org.elasticsearch.core.TimeValue;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.ServerlessScope;
import org.elasticsearch.rest.action.RestToXContentListener;
import org.elasticsearch.tasks.TaskId;

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

import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestUtils.getTimeout;
import static org.elasticsearch.rest.Scope.PUBLIC;

@ServerlessScope(PUBLIC)
public class RestGetTaskAction extends BaseRestHandler {

    @Override
    public List<Route> routes() {
        return List.of(new Route(GET, "/_tasks/{task_id}"));
    }

    @Override
    public String getName() {
        return "get_task_action";
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
        TaskId taskId = new TaskId(request.param("task_id"));
        boolean waitForCompletion = request.paramAsBoolean("wait_for_completion", false);
        TimeValue timeout = getTimeout(request);

        GetTaskRequest getTaskRequest = new GetTaskRequest();
        getTaskRequest.setTaskId(taskId);
        getTaskRequest.setWaitForCompletion(waitForCompletion);
        getTaskRequest.setTimeout(timeout);
        return channel -> client.admin().cluster().getTask(getTaskRequest, new RestToXContentListener<>(channel));
    }
}