/* 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;
using System.Collections.Generic;
using FluentAssertions;
using OpenSearch.Client;

namespace Tests.QueryDsl
{
	public abstract class ConditionlessWhen : List<Action<QueryContainer>> { }

	public class ConditionlessWhen<TQuery> : ConditionlessWhen where TQuery : IQuery
	{
		private readonly Func<IQueryContainer, TQuery> _dispatch;

		public ConditionlessWhen(Func<IQueryContainer, TQuery> dispatch) => _dispatch = dispatch;

		public void Add(Action<TQuery> when) => Add(q => Assert(q, when));

		private void Assert(IQueryContainer c, Action<TQuery> when)
		{
			var q = _dispatch(c);
			q.Conditionless.Should().BeFalse();
			c.IsConditionless.Should().BeFalse();
			when(q);
			q.Conditionless.Should().BeTrue();
			c.IsConditionless.Should().BeTrue();
		}
	}
}