// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Remote;
 
namespace Microsoft.CodeAnalysis.SymbolSearch;
 
internal sealed class SymbolSearchUpdateEngineProxy(RemoteHostClient client) : ISymbolSearchUpdateEngine
{
    private readonly RemoteServiceConnection<IRemoteSymbolSearchUpdateService> _connection = client.CreateConnection<IRemoteSymbolSearchUpdateService>(callbackTarget: null);
 
    public void Dispose()
        => _connection.Dispose();
 
    public async ValueTask<ImmutableArray<PackageWithTypeResult>> FindPackagesWithTypeAsync(string source, string name, int arity, CancellationToken cancellationToken)
    {
        var result = await _connection.TryInvokeAsync<ImmutableArray<PackageWithTypeResult>>(
            (service, cancellationToken) => service.FindPackagesWithTypeAsync(source, name, arity, cancellationToken),
            cancellationToken).ConfigureAwait(false);
 
        return result.HasValue ? result.Value : [];
    }
 
    public async ValueTask<ImmutableArray<PackageWithAssemblyResult>> FindPackagesWithAssemblyAsync(
        string source, string assemblyName, CancellationToken cancellationToken)
    {
        var result = await _connection.TryInvokeAsync<ImmutableArray<PackageWithAssemblyResult>>(
            (service, cancellationToken) => service.FindPackagesWithAssemblyAsync(source, assemblyName, cancellationToken),
            cancellationToken).ConfigureAwait(false);
 
        return result.HasValue ? result.Value : [];
    }
 
    public async ValueTask<ImmutableArray<ReferenceAssemblyWithTypeResult>> FindReferenceAssembliesWithTypeAsync(
        string name, int arity, CancellationToken cancellationToken)
    {
        var result = await _connection.TryInvokeAsync<ImmutableArray<ReferenceAssemblyWithTypeResult>>(
            (service, cancellationToken) => service.FindReferenceAssembliesWithTypeAsync(name, arity, cancellationToken),
            cancellationToken).ConfigureAwait(false);
 
        return result.HasValue ? result.Value : [];
    }
 
    public async ValueTask UpdateContinuouslyAsync(string sourceName, string localSettingsDirectory, CancellationToken cancellationToken)
    {
        _ = await _connection.TryInvokeAsync(
            (service, cancellationToken) => service.UpdateContinuouslyAsync(sourceName, localSettingsDirectory, cancellationToken),
            cancellationToken).ConfigureAwait(false);
    }
}