using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Configuration.Entities;
using ZB.MOM.WW.OtOpcUa.Configuration.Enums;
using ZB.MOM.WW.OtOpcUa.Configuration.Validation;

namespace ZB.MOM.WW.OtOpcUa.Configuration.Tests;

/// <summary>
///     Characterization net (R2-11) pinning the DraftValidator Galaxy rule's <em>explicit</em>-FullName
///     semantics across the golden TagConfig corpus BEFORE the private FullName reader is delegated to
///     <c>TagConfigIntent.Parse(...).ExplicitFullName</c>. Distinct from the walker/composer raw-blob
///     fallback: <c>GalaxyTagMissingReference</c> fires whenever the TagConfig has no usable
///     <em>explicit</em> string <c>FullName</c> — i.e. absent / non-string / whitespace / non-object /
///     malformed — and does NOT fire only when a non-blank string FullName is present. Must be green on
///     the unmodified tree and stay green through the swap.
/// </summary>
public sealed class DraftValidatorGalaxyFullNameCorpusTests
{
    [Theory]
    // Present, non-blank string FullName → rule does NOT fire
    [InlineData("{\"FullName\":\"X.Y\"}", false)]
    [InlineData("{\"FullName\":\"A.B\",\"region\":\"Coils\"}", false)]
    // Absent / non-string / whitespace / non-object / malformed → rule FIRES
    [InlineData("{}", true)]
    [InlineData("{\"region\":\"HoldingRegisters\"}", true)]
    [InlineData("{\"FullName\":123}", true)]
    [InlineData("{\"FullName\":\"   \"}", true)]
    [InlineData("[1,2]", true)]
    [InlineData("not json {", true)]
    public void Galaxy_missing_reference_fires_iff_no_explicit_string_FullName(string tagConfig, bool shouldFire)
    {
        var draft = new DraftSnapshot
        {
            GenerationId = 1,
            ClusterId = "c",
            DriverInstances =
            [
                new DriverInstance
                {
                    DriverInstanceId = "d-galaxy", ClusterId = "c", NamespaceId = "ns-1",
                    Name = "Galaxy", DriverType = "GalaxyMxGateway", DriverConfig = "{}",
                },
            ],
            Tags =
            [
                new Tag
                {
                    TagId = "tag-galaxytag", DriverInstanceId = "d-galaxy", EquipmentId = "eq-1",
                    Name = "galaxytag", FolderPath = null, DataType = "Float",
                    AccessLevel = TagAccessLevel.Read, TagConfig = tagConfig,
                },
            ],
        };

        var fired = DraftValidator.Validate(draft)
            .Any(e => e.Code == "GalaxyTagMissingReference" && e.Context == "tag-galaxytag");
        fired.ShouldBe(shouldFire);
    }
}