using ZB.MOM.WW.ScadaBridge.Commons.Types.Debugging;

namespace ZB.MOM.WW.ScadaBridge.Commons.Tests.Debugging;

/// <summary>
/// Flow Debugger outbound-calls plan (2026-09-06) Task 0: the Commons vocabulary — External lane,
/// the three outbound kinds, Pending/Parked outcomes, the lifecycle row, and additive edge/step shapes.
/// </summary>
public class FlowStepProjectorTests
{
    private static readonly DateTimeOffset T0 = new(2026, 9, 6, 12, 0, 0, TimeSpan.Zero);

    [Fact]
    public void Vocabulary_HasExternalLane_ThreeOutboundKinds_AndPendingParkedOutcomes()
    {
        Assert.Equal(3, (int)FlowLane.External);
        Assert.True(Enum.IsDefined(FlowStepKind.ApiCall));
        Assert.True(Enum.IsDefined(FlowStepKind.DbCall));
        Assert.True(Enum.IsDefined(FlowStepKind.Notify));
        Assert.True(Enum.IsDefined(FlowStepKind.Unknown));
        Assert.False(Enum.GetNames<FlowStepKind>().Contains("External"));
        Assert.True(Enum.IsDefined(FlowStepOutcome.Pending));
        Assert.True(Enum.IsDefined(FlowStepOutcome.Parked));
    }

    [Fact]
    public void FlowStep_WithoutLifecycle_StillConstructs_AndDefaultsToNull()
    {
        var step = new FlowStep(Guid.NewGuid(), null, null, FlowStepKind.ScriptRun, FlowLane.Site, "S", null,
            T0, null, FlowStepOutcome.Ok, null, null, null, null, null, null, null, null);
        Assert.Null(step.Lifecycle);

        var row = new FlowLifecycleRow(Guid.NewGuid(), "CachedSubmit", "Submitted", T0, "node-a", null, null);
        var withLifecycle = step with { Lifecycle = [row] };
        Assert.Single(withLifecycle.Lifecycle!);
        Assert.Equal("Submitted", withLifecycle.Lifecycle![0].Status);
    }

    [Fact]
    public void FlowEdge_AsyncAndSpawn_DefaultFalse()
    {
        var a = Guid.NewGuid();
        var b = Guid.NewGuid();
        var edge = new FlowEdge(a, b, false, false);
        Assert.False(edge.Async);
        Assert.False(edge.Spawn);
        Assert.True((edge with { Async = true }).Async);
        Assert.True(new FlowEdge(a, b, false, false, Async: false, Spawn: true).Spawn);
    }
}