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

public sealed class PcccAddressTests
{
    [Theory]
    [InlineData("O", 0x8B)] [InlineData("I", 0x8C)] [InlineData("S", 0x84)] [InlineData("B", 0x85)]
    [InlineData("T", 0x86)] [InlineData("C", 0x87)] [InlineData("R", 0x88)] [InlineData("N", 0x89)]
    [InlineData("F", 0x8A)] [InlineData("ST", 0x8D)] [InlineData("A", 0x8E)] [InlineData("L", 0x91)]
    public void File_type_codes(string letter, int code) => PcccFileType.CodeFor(letter).ShouldBe((byte)code);

    [Theory]
    [InlineData("N7:0", "N", 7, 0, null, null)]
    [InlineData("F8:12", "F", 8, 12, null, null)]
    [InlineData("B3:1/4", "B", 3, 1, null, 4)]
    [InlineData("ST9:2", "ST", 9, 2, null, null)]
    [InlineData("T4:0.ACC", "T", 4, 0, 2, null)]
    [InlineData("T4:1.PRE", "T", 4, 1, 1, null)]
    [InlineData("T4:0.DN", "T", 4, 0, 0, 13)]
    [InlineData("T4:0.EN", "T", 4, 0, 0, 15)]
    [InlineData("C5:0.CU", "C", 5, 0, 0, 15)]
    [InlineData("C5:0.OV", "C", 5, 0, 0, 12)]
    [InlineData("C5:0.UA", "C", 5, 0, 0, 10)]
    [InlineData("L9:0/31", "L", 9, 0, null, 31)]
    [InlineData("R6:0.LEN", "R", 6, 0, 1, null)]
    [InlineData("R6:0.POS", "R", 6, 0, 2, null)]
    [InlineData("I:0/1", "I", null, 0, null, 1)]
    [InlineData("n7:0", "N", 7, 0, null, null)]
    public void Parses(string text, string letter, int? file, int element, int? sub, int? bit)
    {
        var a = PcccAddress.TryParse(text)!;
        a.ShouldNotBeNull();
        a.FileLetter.ShouldBe(letter);
        a.FileNumber.ShouldBe(file);
        a.Element.ShouldBe(element);
        a.ResolveSubElement().ShouldBe((sub ?? 0, bit));
    }

    [Theory]
    [InlineData("")] [InlineData("N7")] [InlineData("N:0")] [InlineData("X7:0")] [InlineData("I1:0")]
    [InlineData("T4:0.FOO")] [InlineData("N7:0.ACC")] [InlineData("N7:-1")] [InlineData("N7:0/x")]
    [InlineData("N7:0/16")] [InlineData("F8:0/1")] [InlineData("L9:0/32")] [InlineData("T4:0/3")]
    public void Rejects(string text) => PcccAddress.TryParse(text).ShouldBeNull();

    [Fact]
    public void Effective_file_number_is_implicit_for_IOS()
    {
        PcccAddress.TryParse("O:0")!.EffectiveFileNumber.ShouldBe(0);
        PcccAddress.TryParse("I:0")!.EffectiveFileNumber.ShouldBe(1);
        PcccAddress.TryParse("S:0")!.EffectiveFileNumber.ShouldBe(2);
        PcccAddress.TryParse("N9:0")!.EffectiveFileNumber.ShouldBe(9);
    }
}