/* 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
*  specific language governing permissions and limitations
*  under the License.
*/

using System;
using OpenSearch.Net;
using FluentAssertions;
using OpenSearch.Client;
using OpenSearch.Client.Specification.IndicesApi;
using Tests.Core.Extensions;
using Tests.Core.ManagedOpenSearch.Clusters;
using Tests.Domain;
using Tests.Framework.EndpointTests;
using Tests.Framework.EndpointTests.TestState;
using Xunit;
using static OpenSearch.Client.Infer;

namespace Tests.Indices.IndexSettings.GetIndexSettings
{
	public class GetIndexSettingsApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, GetIndexSettingsResponse, IGetIndexSettingsRequest, GetIndexSettingsDescriptor,
			GetIndexSettingsRequest>
	{
		private static readonly IndexName PercolationIndex = Index<ProjectPercolation>();

		public GetIndexSettingsApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => true;
		protected override int ExpectStatusCode => 200;
		protected override HttpMethod HttpMethod => HttpMethod.GET;

		protected override Func<GetIndexSettingsDescriptor, IGetIndexSettingsRequest> Fluent => d => d
			.Name("index.*")
			.Local();


		protected override GetIndexSettingsRequest Initializer => new GetIndexSettingsRequest(PercolationIndex, "index.*")
		{
			Local = true
		};

		protected override string UrlPath => $"/queries/_settings/index.%2A?local=true";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Indices.GetSettings(Index<ProjectPercolation>(), f),
			(client, f) => client.Indices.GetSettingsAsync(Index<ProjectPercolation>(), f),
			(client, r) => client.Indices.GetSettings(r),
			(client, r) => client.Indices.GetSettingsAsync(r)
		);

		protected override void ExpectResponse(GetIndexSettingsResponse response)
		{
			response.Indices.Should().NotBeEmpty();
			var index = response.Indices[PercolationIndex];
			index.Should().NotBeNull();
			index.Settings.NumberOfShards.Should().HaveValue().And.BeGreaterThan(0);
			index.Settings.NumberOfReplicas.Should().HaveValue();
			index.Settings.AutoExpandReplicas.Should().NotBeNull();
			index.Settings.AutoExpandReplicas.MinReplicas.Should().Be(0);
			index.Settings.AutoExpandReplicas.MaxReplicas.Match(
				i => { Assert.True(false, "expecting a string"); },
				s => s.Should().Be("all"));
			index.Settings.AutoExpandReplicas.ToString().Should().Be("0-all");
		}
	}
}