/* 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.
*
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*  license agreements. See the NOTICE file distributed with
*  this work for additional information regarding copyright
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*  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
*  specific language governing permissions and limitations
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using System;
using System.Collections.Generic;
using FluentAssertions;
using OpenSearch.Client;
using Tests.Core.Extensions;
using Tests.Core.ManagedOpenSearch.Clusters;
using Tests.Domain;
using Tests.Framework.EndpointTests.TestState;
using static OpenSearch.Client.Infer;

namespace Tests.Aggregations.Metric.PercentileRanks
{
	public class PercentileRanksAggregationUsageTests : AggregationUsageTestBase<ReadOnlyCluster>
	{
		public PercentileRanksAggregationUsageTests(ReadOnlyCluster i, EndpointUsage usage) : base(i, usage) { }

		protected override object AggregationJson => new
		{
			commits_outlier = new
			{
				percentile_ranks = new
				{
					field = "numberOfCommits",
					values = new[] { 15.0, 30.0 },
					tdigest = new
					{
						compression = 200.0
					},
					script = new
					{
						source = "doc['numberOfCommits'].value * 1.2",
					},
					missing = 0.0
				}
			}
		};

		protected override Func<AggregationContainerDescriptor<Project>, IAggregationContainer> FluentAggs => a => a
			.PercentileRanks("commits_outlier", pr => pr
				.Field(p => p.NumberOfCommits)
				.Values(15, 30)
				.Method(m => m
					.TDigest(td => td
						.Compression(200)
					)
				)
				.Script(ss => ss.Source("doc['numberOfCommits'].value * 1.2"))
				.Missing(0)
			);

		protected override AggregationDictionary InitializerAggs =>
			new PercentileRanksAggregation("commits_outlier", Field<Project>(p => p.NumberOfCommits))
			{
				Values = new List<double> { 15, 30 },
				Method = new TDigestMethod
				{
					Compression = 200
				},
				Script = new InlineScript("doc['numberOfCommits'].value * 1.2"),
				Missing = 0
			};

		protected override void ExpectResponse(ISearchResponse<Project> response)
		{
			response.ShouldBeValid();
			var commitsOutlier = response.Aggregations.PercentileRanks("commits_outlier");
			commitsOutlier.Should().NotBeNull();
			commitsOutlier.Items.Should().NotBeNullOrEmpty();
			foreach (var item in commitsOutlier.Items)
				item.Should().NotBeNull();
		}
	}

	// hide
	public class PercentileRanksAggregationNonKeyedValuesUsageTests : AggregationUsageTestBase<ReadOnlyCluster>
	{
		public PercentileRanksAggregationNonKeyedValuesUsageTests(ReadOnlyCluster i, EndpointUsage usage) : base(i, usage) { }

		protected override object AggregationJson => new
		{
			commits_outlier = new
			{
				percentile_ranks = new
				{
					field = "numberOfCommits",
					values = new[] { 15.0, 30.0 },
					tdigest = new
					{
						compression = 200.0
					},
					script = new
					{
						source = "doc['numberOfCommits'].value * 1.2",
					},
					missing = 0.0,
					keyed = false
				}
			}
		};

		protected override Func<AggregationContainerDescriptor<Project>, IAggregationContainer> FluentAggs => a => a
			.PercentileRanks("commits_outlier", pr => pr
				.Field(p => p.NumberOfCommits)
				.Values(15, 30)
				.Method(m => m
					.TDigest(td => td
						.Compression(200)
					)
				)
				.Script(ss => ss.Source("doc['numberOfCommits'].value * 1.2"))
				.Missing(0)
				.Keyed(false)
			);

		protected override AggregationDictionary InitializerAggs =>
			new PercentileRanksAggregation("commits_outlier", Field<Project>(p => p.NumberOfCommits))
			{
				Values = new List<double> { 15, 30 },
				Method = new TDigestMethod
				{
					Compression = 200
				},
				Script = new InlineScript("doc['numberOfCommits'].value * 1.2"),
				Missing = 0,
				Keyed = false
			};

		protected override void ExpectResponse(ISearchResponse<Project> response)
		{
			response.ShouldBeValid();
			var commitsOutlier = response.Aggregations.PercentileRanks("commits_outlier");
			commitsOutlier.Should().NotBeNull();
			commitsOutlier.Items.Should().NotBeNullOrEmpty();
			foreach (var item in commitsOutlier.Items)
				item.Should().NotBeNull();
		}
	}
}