using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Driver.AbCip;

namespace ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests;

/// <summary>
///     Pure-unit tests for the profile → CLI arg composition. Runs without <c>ab_server</c>
///     on PATH so CI without the binary still exercises these contracts + catches any
///     profile-definition drift (e.g. a typo in <c>--plc</c> mapping would silently make the
///     simulator boot with the wrong family).
/// </summary>
[Trait("Category", "Unit")]
public sealed class AbServerProfileTests
{
    [Fact]
    public void BuildCliArgs_Emits_Port_And_Plc_And_TagFlags()
    {
        var profile = new AbServerProfile(
            Family: AbCipPlcFamily.ControlLogix,
            AbServerPlcArg: "controllogix",
            SeedTags: new AbServerSeedTag[]
            {
                new("A", "DINT"),
                new("B", "REAL"),
            },
            Notes: "test");

        profile.BuildCliArgs(44818).ShouldBe("--port 44818 --plc controllogix --tag A:DINT --tag B:REAL");
    }

    [Fact]
    public void BuildCliArgs_NoSeedTags_Emits_Just_Port_And_Plc()
    {
        var profile = new AbServerProfile(
            AbCipPlcFamily.ControlLogix, "controllogix", [], "empty");

        profile.BuildCliArgs(5000).ShouldBe("--port 5000 --plc controllogix");
    }

    [Fact]
    public void AbServerSeedTag_ArraySize_FormatsAsThirdSegment()
    {
        new AbServerSeedTag("TestArray", "DINT", ArraySize: 16)
            .ToCliSpec().ShouldBe("TestArray:DINT:16");
    }

    [Fact]
    public void AbServerSeedTag_NoArraySize_TwoSegments()
    {
        new AbServerSeedTag("TestScalar", "REAL")
            .ToCliSpec().ShouldBe("TestScalar:REAL");
    }

    [Theory]
    [InlineData(AbCipPlcFamily.ControlLogix, "controllogix")]
    [InlineData(AbCipPlcFamily.CompactLogix, "compactlogix")]
    [InlineData(AbCipPlcFamily.Micro800,     "controllogix")] // falls back — ab_server lacks dedicated mode
    [InlineData(AbCipPlcFamily.GuardLogix,   "controllogix")] // falls back — ab_server lacks safety subsystem
    public void KnownProfiles_ForFamily_Returns_Expected_AbServerPlcArg(AbCipPlcFamily family, string expected)
    {
        KnownProfiles.ForFamily(family).AbServerPlcArg.ShouldBe(expected);
    }

    [Fact]
    public void KnownProfiles_All_Covers_Every_Family()
    {
        var covered = KnownProfiles.All.Select(p => p.Family).ToHashSet();
        foreach (var family in Enum.GetValues<AbCipPlcFamily>())
            covered.ShouldContain(family, $"Family {family} is missing a KnownProfiles entry.");
    }

    [Fact]
    public void KnownProfiles_ControlLogix_Includes_AllAtomicTypes()
    {
        var tags = KnownProfiles.ControlLogix.SeedTags.Select(t => t.AbServerType).ToHashSet();
        tags.ShouldContain("DINT");
        tags.ShouldContain("REAL");
        tags.ShouldContain("BOOL");
        tags.ShouldContain("SINT");
        tags.ShouldContain("STRING");
    }

    [Fact]
    public void KnownProfiles_GuardLogix_SeedsSafetySuffixedTag()
    {
        KnownProfiles.GuardLogix.SeedTags
            .ShouldContain(t => t.Name.EndsWith("_S"), "GuardLogix profile must seed at least one _S-suffixed tag for safety-classification coverage.");
    }
}