/* 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>
	/// The pattern_replace char filter allows the use of a regex to manipulate the characters in a string before analysis.
	/// </summary>
	public interface IPatternReplaceCharFilter : ICharFilter
	{
		[DataMember(Name ="flags")]
		string Flags { get; set; }

		[DataMember(Name ="pattern")]
		string Pattern { get; set; }

		[DataMember(Name ="replacement")]
		string Replacement { get; set; }
	}

	/// <inheritdoc />
	public class PatternReplaceCharFilter : CharFilterBase, IPatternReplaceCharFilter
	{
		public PatternReplaceCharFilter() : base("pattern_replace") { }

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

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

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

	/// <inheritdoc />
	public class PatternReplaceCharFilterDescriptor
		: CharFilterDescriptorBase<PatternReplaceCharFilterDescriptor, IPatternReplaceCharFilter>, IPatternReplaceCharFilter
	{
		protected override string Type => "pattern_replace";

		string IPatternReplaceCharFilter.Flags { get; set; }
		string IPatternReplaceCharFilter.Pattern { get; set; }
		string IPatternReplaceCharFilter.Replacement { get; set; }

		/// <inheritdoc />
		public PatternReplaceCharFilterDescriptor Flags(string flags) =>
			Assign(flags, (a, v) => a.Flags = v);

		/// <inheritdoc />
		public PatternReplaceCharFilterDescriptor Pattern(string pattern) =>
			Assign(pattern, (a, v) => a.Pattern = v);

		/// <inheritdoc />
		public PatternReplaceCharFilterDescriptor Replacement(string replacement) =>
			Assign(replacement, (a, v) => a.Replacement = v);
	}
}