// 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;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Remote;
 
namespace Microsoft.CodeAnalysis.ExternalAccess.Pythia.Api
{
    internal readonly struct PythiaRemoteServiceConnectionWrapper<TService> : IDisposable
        where TService : class
    {
        internal RemoteServiceConnection<TService> UnderlyingObject { get; }
 
        internal PythiaRemoteServiceConnectionWrapper(RemoteServiceConnection<TService> underlyingObject)
            => UnderlyingObject = underlyingObject;
 
        public void Dispose()
            => UnderlyingObject.Dispose();
 
        // no solution, no callback
 
        public ValueTask<bool> TryInvokeAsync(Func<TService, CancellationToken, ValueTask> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(invocation, cancellationToken);
 
        public ValueTask<Optional<TResult>> TryInvokeAsync<TResult>(Func<TService, CancellationToken, ValueTask<TResult>> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(invocation, cancellationToken);
 
        // no solution, callback
 
        public ValueTask<bool> TryInvokeAsync(Func<TService, PythiaRemoteServiceCallbackIdWrapper, CancellationToken, ValueTask> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(
                (service, callbackId, cancellationToken) => invocation(service, callbackId, cancellationToken),
                cancellationToken);
 
        public ValueTask<Optional<TResult>> TryInvokeAsync<TResult>(Func<TService, PythiaRemoteServiceCallbackIdWrapper, CancellationToken, ValueTask<TResult>> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(
                (service, callbackId, cancellationToken) => invocation(service, callbackId, cancellationToken),
                cancellationToken);
 
        // solution, no callback
 
        public ValueTask<bool> TryInvokeAsync(Solution solution, Func<TService, PythiaPinnedSolutionInfoWrapper, CancellationToken, ValueTask> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(
                solution,
                (service, solutionInfo, cancellationToken) => invocation(service, solutionInfo, cancellationToken),
                cancellationToken);
 
        public ValueTask<Optional<TResult>> TryInvokeAsync<TResult>(Solution solution, Func<TService, PythiaPinnedSolutionInfoWrapper, CancellationToken, ValueTask<TResult>> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(
                solution,
                (service, solutionInfo, cancellationToken) => invocation(service, solutionInfo, cancellationToken),
                cancellationToken);
 
        // solution, callback
 
        public ValueTask<bool> TryInvokeAsync(Solution solution, Func<TService, PythiaPinnedSolutionInfoWrapper, PythiaRemoteServiceCallbackIdWrapper, CancellationToken, ValueTask> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(
                solution,
                (service, solutionInfo, callbackId, cancellationToken) => invocation(service, solutionInfo, callbackId, cancellationToken),
                cancellationToken);
 
        public ValueTask<Optional<TResult>> TryInvokeAsync<TResult>(Solution solution, Func<TService, PythiaPinnedSolutionInfoWrapper, PythiaRemoteServiceCallbackIdWrapper, CancellationToken, ValueTask<TResult>> invocation, CancellationToken cancellationToken)
            => UnderlyingObject.TryInvokeAsync(
                solution,
                (service, solutionInfo, callbackId, cancellationToken) => invocation(service, solutionInfo, callbackId, cancellationToken),
                cancellationToken);
    }
}