/* 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
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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;

namespace Tests.Aggregations
{
	/**
	*=== Aggregation Metadata
	* Metadata can be provided per aggregation, and will be returned in the aggregation response
	*/
	public class AggregationMetaUsageTests : AggregationUsageTestBase<ReadOnlyCluster>
	{
		public AggregationMetaUsageTests(ReadOnlyCluster i, EndpointUsage usage) : base(i, usage) { }

		protected override object AggregationJson => new
		{
			min_last_activity = new
			{
				min = new
				{
					field = "lastActivity"
				},
				meta = new
				{
					meta_1 = "value_1",
					meta_2 = 2,
					meta_3 = new
					{
						meta_3 = "value_3"
					}
				}
			}
		};

		protected override Func<AggregationContainerDescriptor<Project>, IAggregationContainer> FluentAggs => a => a
			.Min("min_last_activity", m => m
				.Field(p => p.LastActivity)
				.Meta(d => d
					.Add("meta_1", "value_1")
					.Add("meta_2", 2)
					.Add("meta_3", new { meta_3 = "value_3" })
				)
			);

		protected override AggregationDictionary InitializerAggs =>
			new MinAggregation("min_last_activity", Infer.Field<Project>(p => p.LastActivity))
			{
				Meta = new Dictionary<string, object>
				{
					{ "meta_1", "value_1" },
					{ "meta_2", 2 },
					{ "meta_3", new { meta_3 = "value_3" } }
				}
			};

		protected override void ExpectResponse(ISearchResponse<Project> response)
		{
			response.ShouldBeValid();
			var min = response.Aggregations.Min("min_last_activity");
			min.Meta.Should().NotBeNull().And.ContainKeys("meta_1", "meta_2", "meta_3");
		}
	}
}