/* SPDX-License-Identifier: Apache-2.0
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* compatible open source license.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
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*  You may obtain a copy of the License at
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* 	http://www.apache.org/licenses/LICENSE-2.0
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using OpenSearch.Net;
using FluentAssertions;
using OpenSearch.Client;
using OpenSearch.Client.Specification.ClusterApi;
using Tests.Core.ManagedOpenSearch.Clusters;
using Tests.Framework.EndpointTests;
using Tests.Framework.EndpointTests.TestState;

namespace Tests.Cluster.ClusterState
{
	public class ClusterStateApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, ClusterStateResponse, IClusterStateRequest, ClusterStateDescriptor, ClusterStateRequest>
	{
		public ClusterStateApiTests(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 string UrlPath => "/_cluster/state";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Cluster.State(),
			(client, f) => client.Cluster.StateAsync(),
			(client, r) => client.Cluster.State(r),
			(client, r) => client.Cluster.StateAsync(r)
		);

		protected override void ExpectResponse(ClusterStateResponse response)
		{
			var isPre20version = Cluster.ClusterConfiguration.Version < "2.0.0";

			response.ClusterName.Should().NotBeNullOrWhiteSpace();
			if (isPre20version)
				response.MasterNode.Should().NotBeNullOrWhiteSpace();
			else
				response.ClusterManagerNode.Should().NotBeNullOrWhiteSpace();
			response.StateUUID.Should().NotBeNullOrWhiteSpace();
			response.Version.Should().BeGreaterThan(0);

			var clusterManagerNode =
				isPre20version
					? response.State["nodes"][response.MasterNode]
					: response.State["nodes"][response.ClusterManagerNode];
			var clusterManagerNodeName = clusterManagerNode["name"].Value as string;
			var transportAddress = clusterManagerNode["transport_address"].Value as string;
			clusterManagerNodeName.Should().NotBeNullOrWhiteSpace();
			transportAddress.Should().NotBeNullOrWhiteSpace();

			var getSyntax = response.Get<string>($"nodes.{(isPre20version ? response.MasterNode : response.ClusterManagerNode)}.transport_address");

			getSyntax.Should().NotBeNullOrWhiteSpace().And.Be(transportAddress);

			var badPath = response.Get<string>($"this.is.not.a.path.into.the.response.structure");
			badPath.Should().BeNull();

			var dict = response.Get<DynamicDictionary>($"nodes");

			dict.Count.Should().BeGreaterThan(0);
			var node = dict[(isPre20version ? response.MasterNode : response.ClusterManagerNode)].ToDictionary();
			node.Should().NotBeNull().And.ContainKey("name");

			object dictDoesNotExist = response.Get<DynamicDictionary>("nodes2");
			dictDoesNotExist.Should().BeNull();


			dynamic r = response.State;

			string lastCommittedConfig = r.metadata.cluster_coordination.last_committed_config[0];

			lastCommittedConfig.Should().NotBeNullOrWhiteSpace();




		}
	}
}