using Shouldly;
using Xunit;
namespace ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Tests;

public sealed class AbStatusCodesTests
{
    [Theory]
    [InlineData((byte)0x00, AbStatus.Ok)]
    [InlineData((byte)0x04, AbStatus.NotFound)]
    [InlineData((byte)0x05, AbStatus.NotFound)]
    [InlineData((byte)0x16, AbStatus.NotFound)]
    [InlineData((byte)0x06, AbStatus.Partial)]
    [InlineData((byte)0x08, AbStatus.Unsupported)]
    [InlineData((byte)0x0F, AbStatus.NotAllowed)]
    [InlineData((byte)0x10, AbStatus.DeviceStateConflict)]
    [InlineData((byte)0x13, AbStatus.TooSmall)]
    [InlineData((byte)0x15, AbStatus.TooLarge)]
    [InlineData((byte)0x0B, AbStatus.Ok)]
    [InlineData((byte)0x0A, AbStatus.OutOfBounds)]
    [InlineData((byte)0x0C, AbStatus.DeviceStateConflict)]
    [InlineData((byte)0x0E, AbStatus.NotAllowed)]
    [InlineData((byte)0x1E, AbStatus.BadReply)]
    [InlineData((byte)0x01, AbStatus.BadReply)]
    public void Cip_general_status_maps(byte general, AbStatus expected) =>
        AbStatusCodes.FromCip(general, ReadOnlySpan<ushort>.Empty).ShouldBe(expected);

    [Theory]
    [InlineData((ushort)0x2105, AbStatus.OutOfBounds)]
    [InlineData((ushort)0x2107, AbStatus.TypeMismatch)]
    [InlineData((ushort)0x9999, AbStatus.BadReply)]
    public void General_status_FF_maps_by_extended_status(ushort ext, AbStatus expected) =>
        AbStatusCodes.FromCip(0xFF, [ext]).ShouldBe(expected);

    [Fact]
    public void General_status_FF_with_no_extended_status_is_BadReply() =>
        AbStatusCodes.FromCip(0xFF, ReadOnlySpan<ushort>.Empty).ShouldBe(AbStatus.BadReply);

    [Theory]
    [InlineData((byte)0x00, null, AbStatus.Ok)]
    [InlineData((byte)0x10, null, AbStatus.Unsupported)]
    [InlineData((byte)0x20, null, AbStatus.NotFound)]
    [InlineData((byte)0x30, null, AbStatus.NotAllowed)]
    [InlineData((byte)0x40, null, AbStatus.DeviceStateConflict)]
    [InlineData((byte)0xF0, (byte)0x06, AbStatus.NotFound)]
    [InlineData((byte)0xF0, (byte)0x07, AbStatus.NotFound)]
    [InlineData((byte)0xF0, (byte)0x0A, AbStatus.BadReply)]
    public void Pccc_status_maps(byte sts, byte? ext, AbStatus expected) =>
        AbStatusCodes.FromPccc(sts, ext).ShouldBe(expected);

    [Fact]
    public void Ok_is_zero_and_every_error_is_negative()
    {
        ((int)AbStatus.Ok).ShouldBe(0);
        foreach (var s in Enum.GetValues<AbStatus>().Where(s => s is not AbStatus.Ok and not AbStatus.Pending))
            ((int)s).ShouldBeLessThan(0);
    }
}