/* 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;

namespace OpenSearch.Client
{
	/// <summary>
	/// Tokenizes text into words on word boundaries, as defined in UAX #29: Unicode Text Segmentation. It behaves much
	/// like the standard tokenizer, but adds better support for some Asian languages by using a dictionary-based approach
	/// to identify words in Thai, Lao, Chinese, Japanese, and Korean, and using custom rules to break Myanmar and Khmer
	/// text into syllables.
	/// </summary>
	/// <remarks>
	/// Requires analysis-icu plugin to be installed
	/// </remarks>
	public interface IIcuTokenizer : ITokenizer
	{
		/// <summary>
		/// You can customize the icu-tokenizer behavior by specifying per-script rule files,
		/// see the RBBI rules syntax reference for a more detailed explanation.
		/// </summary>
		[DataMember(Name ="rule_files")]
		string RuleFiles { get; set; }
	}

	/// <inheritdoc />
	public class IcuTokenizer : TokenizerBase, IIcuTokenizer
	{
		public IcuTokenizer() => Type = "icu_tokenizer";

		/// <inheritdoc />
		public string RuleFiles { get; set; }
	}

	/// <inheritdoc />
	public class IcuTokenizerDescriptor
		: TokenizerDescriptorBase<IcuTokenizerDescriptor, IIcuTokenizer>, IIcuTokenizer
	{
		protected override string Type => "icu_tokenizer";

		string IIcuTokenizer.RuleFiles { get; set; }

		/// <inheritdoc />
		public IcuTokenizerDescriptor RuleFiles(string ruleFiles) => Assign(ruleFiles, (a, v) => a.RuleFiles = v);
	}
}