// Copyright (c) Microsoft. All rights reserved.

using Microsoft.Extensions.AI;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.VectorData;
using Pinecone.ConformanceTests.Support;
using VectorData.ConformanceTests;
using VectorData.ConformanceTests.Support;
using Xunit;

namespace Pinecone.ConformanceTests;

public class PineconeEmbeddingGenerationTests(PineconeEmbeddingGenerationTests.StringVectorFixture stringVectorFixture, PineconeEmbeddingGenerationTests.RomOfFloatVectorFixture romOfFloatVectorFixture)
    : EmbeddingGenerationTests<string>(stringVectorFixture, romOfFloatVectorFixture), IClassFixture<PineconeEmbeddingGenerationTests.StringVectorFixture>, IClassFixture<PineconeEmbeddingGenerationTests.RomOfFloatVectorFixture>
{
    // Overriding since Pinecone requires collection names to only contain ASCII lowercase letters, digits and dashes.
    public override async Task SearchAsync_string_without_generator_throws()
    {
        // The database doesn't support embedding generation, and no client-side generator has been configured at any level,
        // so SearchAsync should throw.
        var collection = stringVectorFixture.GetCollection<RawRecord>(stringVectorFixture.TestStore.DefaultVectorStore, stringVectorFixture.CollectionName + "-without-generator");

        var exception = await Assert.ThrowsAsync<NotSupportedException>(() => collection.SearchAsync("foo", top: 1).ToListAsync().AsTask());

        Assert.StartsWith(
            "A value of type 'string' was passed to 'SearchAsync', but that isn't a supported vector type by your provider and no embedding generator was configured. The supported vector types are:",
            exception.Message);
    }

    public new class StringVectorFixture : EmbeddingGenerationTests<string>.StringVectorFixture
    {
        public override TestStore TestStore => PineconeTestStore.Instance;

        public override VectorStore CreateVectorStore(IEmbeddingGenerator? embeddingGenerator)
            => PineconeTestStore.Instance.GetVectorStore(new() { EmbeddingGenerator = embeddingGenerator });

        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionStoreRegistrationDelegates =>
        [
            services => services
                .AddSingleton(PineconeTestStore.Instance.Client)
                .AddPineconeVectorStore(),
            services => services
                .AddPineconeVectorStore("ForPineconeLocalTheApiKeysAreIgnored", PineconeTestStore.Instance.ClientOptions)
        ];

        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionCollectionRegistrationDelegates =>
        [
            services => services
                .AddSingleton(PineconeTestStore.Instance.Client)
                .AddPineconeCollection<RecordWithAttributes>(this.CollectionName),
            services => services
                .AddPineconeCollection<RecordWithAttributes>(this.CollectionName, "ForPineconeLocalTheApiKeysAreIgnored", PineconeTestStore.Instance.ClientOptions),
            services => services
                .AddPineconeCollection<RecordWithAttributes>(this.CollectionName, _ => new PineconeClient("ForPineconeLocalTheApiKeysAreIgnored", PineconeTestStore.Instance.ClientOptions))
        ];
    }

    public new class RomOfFloatVectorFixture : EmbeddingGenerationTests<string>.RomOfFloatVectorFixture
    {
        public override TestStore TestStore => PineconeTestStore.Instance;

        public override VectorStore CreateVectorStore(IEmbeddingGenerator? embeddingGenerator)
            => PineconeTestStore.Instance.GetVectorStore(new() { EmbeddingGenerator = embeddingGenerator });

        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionStoreRegistrationDelegates =>
        [
            services => services
                .AddSingleton(PineconeTestStore.Instance.Client)
                .AddPineconeVectorStore()
        ];

        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionCollectionRegistrationDelegates =>
        [
            services => services
                .AddSingleton(PineconeTestStore.Instance.Client)
                .AddPineconeCollection<RecordWithAttributes>(this.CollectionName)
        ];
    }
}