/* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
*  Licensed to Elasticsearch B.V. under one or more contributor
*  license agreements. See the NOTICE file distributed with
*  this work for additional information regarding copyright
*  ownership. Elasticsearch B.V. 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.
*/

using System.Runtime.Serialization;
using OpenSearch.Net.Utf8Json;

namespace OpenSearch.Client
{
	public class ExtendedStatsAggregate : StatsAggregate
	{
		/// <summary>
		/// The standard deviation of the collected values
		/// </summary>
		public double? StdDeviation { get; set; }

		/// <summary>
		/// The upper or lower bounds of standard deviation
		/// </summary>
		public StandardDeviationBounds StdDeviationBounds { get; set; }

		/// <summary>
		/// The sum of squares of the collected values
		/// </summary>
		public double? SumOfSquares { get; set; }

		/// <summary>
		/// The variance of the collected values
		/// </summary>
		public double? Variance { get; set; }

		/// <summary>
		/// The population variance of the collected values.
		/// </summary>
		public double? VariancePopulation { get; set; }

		/// <summary>
		/// The sampling variance of the collected values.
		/// </summary>
		public double? VarianceSampling { get; set; }

		/// <summary>
		/// The population standard deviation of the collected values.
		/// </summary>
		public double? StdDeviationPopulation { get; set; }

		/// <summary>
		/// The sampling standard deviation of the collected values.
		/// </summary>
		public double? StdDeviationSampling { get; set; }
	}

	[DataContract]
	public class StandardDeviationBounds
	{
		[DataMember(Name = "lower")]
		public double? Lower { get; set; }

		[DataMember(Name = "upper")]
		public double? Upper { get; set; }

		[DataMember(Name = "lower_population")]
		public double? LowerPopulation { get; set; }

		[DataMember(Name = "upper_population")]
		public double? UpperPopulation { get; set; }

		[DataMember(Name = "lower_sampling")]
		[JsonFormatter(typeof(NullableStringDoubleFormatter))]
		public double? LowerSampling { get; set; }

		[DataMember(Name = "upper_sampling")]
		[JsonFormatter(typeof(NullableStringDoubleFormatter))]
		public double? UpperSampling { get; set; }
	}
}