using Grpc.Core;
using Microsoft.Extensions.Logging.Abstractions;
using NSubstitute;
using ZB.MOM.WW.ScadaBridge.Communication.Grpc;

namespace ZB.MOM.WW.ScadaBridge.Communication.Tests;

public class SiteStreamIngestCachedTelemetryTests
{
    /// <summary>Verifies that the retired method rejects both empty and non-empty batches.</summary>
    /// <param name="nonEmpty">Whether the batch under test contains any entries.</param>
    /// <returns>A task that represents the asynchronous operation.</returns>
    [Theory]
    [InlineData(false)]
    [InlineData(true)]
    public async Task RetiredMethodRejectsEmptyAndNonEmptyBatches(bool nonEmpty)
    {
        var server = new SiteStreamGrpcServer(Substitute.For<ISiteStreamSubscriber>(),
            NullLogger<SiteStreamGrpcServer>.Instance);
        var request = new CachedTelemetryBatch();
        if (nonEmpty) request.Packets.Add(new CachedTelemetryPacket());
        var error = await Assert.ThrowsAsync<RpcException>(() => server.IngestCachedTelemetry(
            request, Substitute.For<ServerCallContext>()));
        Assert.Equal(StatusCode.Unimplemented, error.StatusCode);
        Assert.Contains("CentralControlService", error.Status.Detail);
    }
}