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

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

/// <summary>Flow Debugger script entry (design 2026-09-08 §2): the monitored attribute of a ValueChange/Conditional trigger.</summary>
public class ScriptTriggerAttributeTests
{
    /// <summary>Verifies the case: write Kinds, return The Monitored Attribute.</summary>
    /// <param name="kind">The kind test input.</param>
    /// <param name="config">The config test input.</param>
    /// <param name="expected">The expected test input.</param>
    [Theory]
    [InlineData("ValueChange", """{"attributeName":"Level"}""", "Level")]
    [InlineData("valuechange", """{"attribute":"Level"}""", "Level")]
    [InlineData("Conditional", """{"attributeName":"Level","operator":">","threshold":"5"}""", "Level")]
    [InlineData("CONDITIONAL", """{"attribute":"Flag"}""", "Flag")]
    public void WriteKinds_ReturnTheMonitoredAttribute(string kind, string config, string expected)
    {
        Assert.True(ScriptTriggerAttribute.TryRead(kind, config, out var attribute));
        Assert.Equal(expected, attribute);
        Assert.True(ScriptTriggerAttribute.IsWriteKind(kind));
    }

    /// <summary>Verifies the case: other Kinds, return False, even When The Config Names An Attribute.</summary>
    /// <param name="kind">The kind test input.</param>
    /// <param name="config">The config test input.</param>
    [Theory]
    [InlineData("Call", """{"attributeName":"Level"}""")]
    [InlineData("Interval", """{"intervalMs":1000}""")]
    [InlineData("Expression", """{"expression":"true"}""")]
    [InlineData(null, null)]
    [InlineData("", "")]
    public void OtherKinds_ReturnFalse_EvenWhenTheConfigNamesAnAttribute(string? kind, string? config)
    {
        Assert.False(ScriptTriggerAttribute.TryRead(kind, config, out var attribute));
        Assert.Null(attribute);
        Assert.False(ScriptTriggerAttribute.IsWriteKind(kind));
    }

    /// <summary>Verifies the case: write Kind, without AReadable Attribute, returns False, but Is Still AWrite Kind.</summary>
    /// <param name="kind">The kind test input.</param>
    /// <param name="config">The config test input.</param>
    [Theory]
    [InlineData("ValueChange", null)]
    [InlineData("ValueChange", "")]
    [InlineData("ValueChange", "not json")]
    [InlineData("ValueChange", "[1,2]")]
    [InlineData("ValueChange", """{"attributeName":""}""")]
    [InlineData("ValueChange", """{"other":"x"}""")]
    public void WriteKind_WithoutAReadableAttribute_ReturnsFalse_ButIsStillAWriteKind(string kind, string? config)
    {
        Assert.False(ScriptTriggerAttribute.TryRead(kind, config, out var attribute));
        Assert.Null(attribute);
        Assert.True(ScriptTriggerAttribute.IsWriteKind(kind));
    }
}