/* 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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*/

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

namespace Tests.Document.Single.Get
{
	public class GetApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, GetResponse<Project>, IGetRequest, GetDescriptor<Project>, GetRequest<Project>>
	{
		public GetApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => true;
		protected override int ExpectStatusCode => 200;
		protected override Func<GetDescriptor<Project>, IGetRequest> Fluent => g => g.Routing(ProjectId);
		protected override HttpMethod HttpMethod => HttpMethod.GET;

		protected override GetRequest<Project> Initializer => new GetRequest<Project>(ProjectId)
		{
			Routing = ProjectId
		};

		protected string ProjectId => Project.First.Name;

		protected override bool SupportsDeserialization => false;
		protected override string UrlPath => $"/project/_doc/{U(ProjectId)}?routing={U(ProjectId)}";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Get(ProjectId, f),
			(client, f) => client.GetAsync(ProjectId, f),
			(client, r) => client.Get<Project>(r),
			(client, r) => client.GetAsync<Project>(r)
		);

		protected override GetDescriptor<Project> NewDescriptor() => new GetDescriptor<Project>(ProjectId);

		protected override void ExpectResponse(GetResponse<Project> response)
		{
			response.Source.Should().NotBeNull();
			response.Source.Name.Should().Be(ProjectId);
			response.SequenceNumber.Should().HaveValue();
			response.PrimaryTerm.Should().HaveValue();
			response.Source.ShouldAdhereToSourceSerializerWhenSet();
			response.SequenceNumber.Should().BeGreaterOrEqualTo(0);
			response.PrimaryTerm.Should().BeGreaterOrEqualTo(1);
		}
	}

	public class GetNonExistentDocumentApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, GetResponse<Project>, IGetRequest, GetDescriptor<Project>, GetRequest<Project>>
	{
		public GetNonExistentDocumentApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override bool ExpectIsValid => false;
		protected override int ExpectStatusCode => 404;
		protected override Func<GetDescriptor<Project>, IGetRequest> Fluent => g => g.Routing(ProjectId);
		protected override HttpMethod HttpMethod => HttpMethod.GET;

		protected override GetRequest<Project> Initializer => new GetRequest<Project>(ProjectId)
		{
			Routing = ProjectId
		};

		protected string ProjectId => CallIsolatedValue;

		protected override bool SupportsDeserialization => false;
		protected override string UrlPath => $"/project/_doc/{U(ProjectId)}?routing={U(ProjectId)}";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Get(ProjectId, f),
			(client, f) => client.GetAsync(ProjectId, f),
			(client, r) => client.Get<Project>(r),
			(client, r) => client.GetAsync<Project>(r)
		);

		protected override GetDescriptor<Project> NewDescriptor() => new GetDescriptor<Project>(ProjectId);

		protected override void ExpectResponse(GetResponse<Project> response)
		{
			response.Found.Should().BeFalse();
			response.Index.Should().Be("project");
			if (Cluster.ClusterConfiguration.Version < "2.0.0")
				response.Type.Should().Be("_doc");
			response.Id.Should().Be(CallIsolatedValue);
		}
	}

	public class GetNonExistentIndexDocumentApiTests
		: ApiIntegrationTestBase<ReadOnlyCluster, GetResponse<Project>, IGetRequest, GetDescriptor<Project>, GetRequest<Project>>
	{
		public GetNonExistentIndexDocumentApiTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected string BadIndex => CallIsolatedValue + "-index";

		protected override bool ExpectIsValid => false;
		protected override int ExpectStatusCode => 404;

		protected override Func<GetDescriptor<Project>, IGetRequest> Fluent => (g) => g.Index(BadIndex);
		protected override HttpMethod HttpMethod => HttpMethod.GET;

		protected override GetRequest<Project> Initializer => new GetRequest<Project>(BadIndex, ProjectId);
		protected string ProjectId => CallIsolatedValue;

		protected override bool SupportsDeserialization => false;
		protected override string UrlPath => $"/{BadIndex}/_doc/{U(ProjectId)}";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Get(ProjectId, f),
			(client, f) => client.GetAsync(ProjectId, f),
			(client, r) => client.Get<Project>(r),
			(client, r) => client.GetAsync<Project>(r)
		);

		protected override GetDescriptor<Project> NewDescriptor() =>
			new GetDescriptor<Project>(index: BadIndex, id: ProjectId);

		protected override void ExpectResponse(GetResponse<Project> response)
		{
			response.Found.Should().BeFalse();
			response.Index.Should().BeNullOrWhiteSpace();
			response.ServerError.Should().NotBeNull();
		}
	}

	public class GetApiParentTests
		: ApiIntegrationTestBase<ReadOnlyCluster, GetResponse<CommitActivity>, IGetRequest, GetDescriptor<CommitActivity>, GetRequest<CommitActivity>
		>
	{
		public GetApiParentTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected CommitActivity CommitActivity => CommitActivity.CommitActivities.First();

		protected string CommitActivityId => CommitActivity.Id;

		protected override bool ExpectIsValid => true;
		protected override int ExpectStatusCode => 200;

		protected override Func<GetDescriptor<CommitActivity>, IGetRequest> Fluent => g => g
			.Routing(CommitActivity.ProjectName);

		protected override HttpMethod HttpMethod => HttpMethod.GET;

		protected override GetRequest<CommitActivity> Initializer => new GetRequest<CommitActivity>(CommitActivityId)
		{
			Routing = CommitActivity.ProjectName
		};

		protected override bool SupportsDeserialization => false;
		protected override string UrlPath => $"/project/_doc/{U(CommitActivityId)}?routing={U(CommitActivity.ProjectName)}";

		protected override LazyResponses ClientUsage() => Calls(
			(client, f) => client.Get(CommitActivityId, f),
			(client, f) => client.GetAsync(CommitActivityId, f),
			(client, r) => client.Get<CommitActivity>(r),
			(client, r) => client.GetAsync<CommitActivity>(r)
		);

		protected override GetDescriptor<CommitActivity> NewDescriptor() => new GetDescriptor<CommitActivity>(CommitActivity);

		protected override void ExpectResponse(GetResponse<CommitActivity> response)
		{
			response.Source.Should().NotBeNull();
			response.Source.Id.Should().Be(CommitActivityId);
			response.Routing.Should().NotBeNullOrEmpty();
		}
	}

	public class GetApiFieldsTests : GetApiTests
	{
		public GetApiFieldsTests(ReadOnlyCluster cluster, EndpointUsage usage) : base(cluster, usage) { }

		protected override Func<GetDescriptor<Project>, IGetRequest> Fluent => g => g
			.Routing(ProjectId)
			.StoredFields(
				p => p.Name,
				p => p.NumberOfCommits
			);

		protected override GetRequest<Project> Initializer => new GetRequest<Project>(ProjectId)
		{
			Routing = ProjectId,
			StoredFields = Infer.Fields<Project>(p => p.Name, p => p.NumberOfCommits)
		};

		protected override string UrlPath => $"/project/_doc/{U(ProjectId)}?stored_fields=name%2CnumberOfCommits&routing={U(ProjectId)}";

		protected override void ExpectResponse(GetResponse<Project> response)
		{
			response.Fields.Should().NotBeNull();
			response.Fields.ValueOf<Project, string>(p => p.Name).Should().Be(ProjectId);
			response.Fields.ValueOf<Project, int?>(p => p.NumberOfCommits).Should().BeGreaterThan(0);
		}

		protected override GetDescriptor<Project> NewDescriptor() => new GetDescriptor<Project>(ProjectId);
	}
}