/* 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,
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*  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
*  KIND, either express or implied.  See the License for the
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*  under the License.
*/

using System;
using FluentAssertions;
using OpenSearch.Client;
using Tests.Core.Extensions;
using Tests.Core.ManagedOpenSearch.Clusters;
using Tests.Domain;
using Tests.Framework.EndpointTests.TestState;

namespace Tests.Aggregations.Bucket.AdjacencyMatrix
{
	public class AdjacencyMatrixUsageTests : AggregationUsageTestBase<ReadOnlyCluster>
	{
		public AdjacencyMatrixUsageTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override object AggregationJson => new
		{
			interactions = new
			{
				adjacency_matrix = new
				{
					filters = new
					{
						grpA = new { term = new { state = new { value = "BellyUp" } } },
						grpB = new { term = new { state = new { value = "Stable" } } },
						grpC = new { term = new { state = new { value = "VeryActive" } } }
					}
				}
			}
		};

		protected override Func<AggregationContainerDescriptor<Project>, IAggregationContainer> FluentAggs => a => a
			.AdjacencyMatrix("interactions", am => am
				.Filters(fs => fs
					.Filter("grpA", f => f.Term(p => p.State, StateOfBeing.BellyUp))
					.Filter("grpB", f => f.Term(p => p.State, StateOfBeing.Stable))
					.Filter("grpC", f => f.Term(p => p.State, StateOfBeing.VeryActive))
				)
			);

		protected override AggregationDictionary InitializerAggs =>
			new AdjacencyMatrixAggregation("interactions")
			{
				Filters = new NamedFiltersContainer
				{
					{ "grpA", new TermQuery { Field = "state", Value = StateOfBeing.BellyUp } },
					{ "grpB", new TermQuery { Field = "state", Value = StateOfBeing.Stable } },
					{ "grpC", new TermQuery { Field = "state", Value = StateOfBeing.VeryActive } },
				}
			};

		protected override void ExpectResponse(ISearchResponse<Project> response)
		{
			response.ShouldBeValid();
			var interactions = response.Aggregations.AdjacencyMatrix("interactions");
			interactions.Should().NotBeNull();
			var buckets = interactions.Buckets;
			buckets.Should().NotBeNullOrEmpty();
			foreach (var bucket in buckets)
			{
				bucket.Key.Should().NotBeNullOrEmpty();
				bucket.DocCount.Should().BeGreaterThan(0);
			}
		}
	}
}