using Grpc.Net.Client;
using MxGateway.Contracts.Proto;

namespace MxGateway.Client;

/// <summary>
/// Provides the initial .NET client entry point and raw generated gRPC client.
/// </summary>
public sealed class MxGatewayClient : IAsyncDisposable
{
    private readonly GrpcChannel _channel;

    private MxGatewayClient(GrpcChannel channel)
    {
        _channel = channel;
        RawClient = new MxAccessGateway.MxAccessGatewayClient(channel);
    }

    public MxAccessGateway.MxAccessGatewayClient RawClient { get; }

    public static MxGatewayClient Create(MxGatewayClientOptions options)
    {
        ArgumentNullException.ThrowIfNull(options);
        options.Validate();

        var channel = GrpcChannel.ForAddress(
            options.Endpoint,
            new GrpcChannelOptions
            {
                LoggerFactory = options.LoggerFactory,
            });

        return new MxGatewayClient(channel);
    }

    public ValueTask DisposeAsync()
    {
        _channel.Dispose();
        return ValueTask.CompletedTask;
    }
}