using Shouldly;
using Xunit;

namespace ZB.MOM.WW.OtOpcUa.Core.Abstractions.Tests;

/// <summary>Gitea #886 — the Galaxy reference parser the driver and the composer share, and the object it names.</summary>
public sealed class GalaxyAttributeRefTests
{
    [Theory]
    [InlineData("""{"attributeRef":"Oven_007.TempHiAlarm"}""", "Oven_007.TempHiAlarm")]
    [InlineData("""{"AttributeRef":"Oven_007.Temp","alarm":{"alarmType":"LimitAlarm"}}""", "Oven_007.Temp")]
    [InlineData("""{"attributeRef":"  "}""", null)]
    [InlineData("""{"attributeRef":7}""", null)]
    [InlineData("""{"FullName":"Oven_007.Temp"}""", null)]
    [InlineData("""not json""", null)]
    [InlineData("", null)]
    [InlineData(null, null)]
    public void Reads_the_attributeRef(string? tagConfig, string? expected) =>
        GalaxyAttributeRef.TryRead(tagConfig).ShouldBe(expected);

    [Fact]
    public void Only_a_galaxy_tag_names_an_aveva_alarm_reference()
    {
        const string config = """{"attributeRef":"Oven_007.TempHiAlarm"}""";
        GalaxyAttributeRef.AlarmReferenceOf(DriverTypeNames.Galaxy, config).ShouldBe("Oven_007.TempHiAlarm");
        GalaxyAttributeRef.AlarmReferenceOf(DriverTypeNames.Modbus, config).ShouldBeNull();
        GalaxyAttributeRef.AlarmReferenceOf(null, config).ShouldBeNull();
    }

    [Theory]
    [InlineData("Oven_007.TempHiAlarm", "Oven_007")]
    [InlineData("Oven_007.Temp.HiHi", "Oven_007")]
    [InlineData("Oven_007", "Oven_007")]
    [InlineData(" Oven_007.Temp ", "Oven_007")]
    [InlineData(".Temp", null)]
    [InlineData("", null)]
    [InlineData(null, null)]
    public void The_object_is_the_reference_up_to_its_first_dot(string? reference, string? expected) =>
        GalaxyAttributeRef.ObjectNameOf(reference).ShouldBe(expected);
}