/* 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.Collections.Generic;
using System.Runtime.Serialization;
using OpenSearch.Net;
using OpenSearch.Net.Utf8Json;

namespace OpenSearch.Client
{
	[InterfaceDataContract]
	[ReadAs(typeof(Suggest<>))]
	public interface ISuggest<out T> where T : class
	{
		[DataMember(Name = "length")]
		int Length { get; }

		[DataMember(Name = "offset")]
		int Offset { get; }

		[DataMember(Name = "options")]
		IReadOnlyCollection<ISuggestOption<T>> Options { get; }

		[DataMember(Name = "text")]
		string Text { get; }

	}
	public class Suggest<T> : ISuggest<T>
		where T : class
	{
		public int Length { get; internal set; }

		public int Offset { get; internal set; }

		public IReadOnlyCollection<ISuggestOption<T>> Options { get; internal set; } = EmptyReadOnly<ISuggestOption<T>>.Collection;

		public string Text { get; internal set; }
	}
}