using skyscraper5.Docsis;
using skyscraper5.Docsis.AnnexC;
using skyscraper5.Mpeg2;

namespace skyscraper8.Tests;

public class UselessCodeCoverageTests
{
    [Fact]
    void PsiSectionTest()
    {
        PsiSection section = new PsiSection();
        section.Append(new byte[] { 3 });
    }

    [Fact]
    void MacManagementMessageTypeAttributeTest()
    {
        MacManagementMessageTypeAttribute mmmta = new MacManagementMessageTypeAttribute(1, 2);
        Console.WriteLine(mmmta.ToString());
    }

    [Fact]
    void RcpIdEncodingTest()
    {
        RcpIdEncoding rie = new RcpIdEncoding(new byte[] { 7, 1, 0 });
        SimplifiedReceiveChannelAssignmentEncoding simplifiedReceiveChannelAssignmentEncoding = rie.SimplifiedReceiveChannelConfiguration;
        Assert.NotNull(simplifiedReceiveChannelAssignmentEncoding);
        Assert.Throws<NotImplementedException>(() => new RcpIdEncoding(new byte[] { 255, 1, 0 }));
    }

    [Fact]
    void EthernetLlcPacketClassificationEncodingTest()
    {
        EthernetLlcPacketClassificationEncoding epce = new EthernetLlcPacketClassificationEncoding(new byte[] { 3, 3, 1, 0, 1 });
        ushort epceEProt = epce.EProt;
        Assert.Equal(1, epce.EProt);
        Assert.Equal(1, epce.Type);
        Assert.Throws<NotImplementedException>(() => new EthernetLlcPacketClassificationEncoding(new byte[] { 255, 1, 0 }));
    }

    [Fact]
    void SimplifiedReceiveChannelAssignmentEncodingTest()
    {
        SimplifiedReceiveChannelAssignmentEncoding srcae =
            new SimplifiedReceiveChannelAssignmentEncoding(new byte[] { 1, 1, 0, 2, 1, 0, 3, 1, 0 });
        Assert.Equal(0,srcae.DownstreamChannelAssignment[0]);
        Assert.Equal(0, srcae.DownstreamProfileAssignment[0]);
        Assert.Equal(0, srcae.PrimaryDownstreamChannelAssignment[0]);
        Assert.Throws<NotImplementedException>(() => new SimplifiedReceiveChannelAssignmentEncoding(new byte[] { 254,0,1 }));
    }

    [Fact]
    void TransmitChannelConfigurationObjectTest()
    {
        CommonTlvEncodingObject.TransmitChannelConfigurationObject tcco =
            new CommonTlvEncodingObject.TransmitChannelConfigurationObject(
                new byte[]
                {
                    1,  1, 0,
                    2,  1, 0,
                    3,  1, 0,
                    5,  4, 0, 0, 0, 0,
                    6,  2, 0, 0,
                    7,  1, 1,
                    9,  1, 0,
                    10, 1, 0,
                    11, 1, 0
                });
        Assert.Equal(0, tcco.TccReferenceId.Value);
        Assert.Equal(CommonTlvEncodingObject.TransmitChannelConfigurationObject.UpstreamChannelActionEnum.NoAction, tcco.UpstreamChannelAction.Value);
        Assert.Equal(0, tcco.UpstreamChannelId.Value);
        Assert.NotNull(tcco.UpstreamChannelDescriptor);
        Assert.Equal(0, tcco.RangingSid.Value);
        Assert.Equal(InitalizationTechniqueEnum.BroadcastInitialRanging, tcco.InitializationTechnique.Value);
        Assert.Equal(0, tcco.DynamicRangeWindow);
        Assert.Equal(0, tcco.P16Hi);
        Assert.Equal(0, tcco.ListOfIucs[0]);

        Assert.Throws<NotImplementedException>(() =>
            new CommonTlvEncodingObject.TransmitChannelConfigurationObject(new byte[] { 254, 1, 0 }));
    }

    [Fact]
    void CommonTlvEncodingObjectTest()
    {
        MemoryStream ms = new MemoryStream(new byte[]
        {
            5,  1, 0,
            47, 1, 0,
            49, 1, 0,
            31, 1, 0,
            27, 1, 0,
            30, 1, 0,
            52, 2, 0, 1 
        });
        CommonTlvEncodingObject commonTlv = new CommonTlvEncodingObject(ms);
        Assert.NotNull(commonTlv.ModemCapabilitiesEncoding);
        Assert.NotNull(commonTlv.ServiceFlowSidClusterAssignment);
        Assert.NotNull(commonTlv.RcpId);
        Assert.Equal(0, commonTlv.KeySequenceNumber);
        Assert.Equal(0, commonTlv.HmacDigest[0]);
        Assert.NotNull(commonTlv.AuthorizationHint);
        Assert.Equal(new TimeSpan(0, 0, 1), commonTlv.InitializingChannelTimeout);

        ms = new MemoryStream(new byte[] { 254, 1, 0 });
        Assert.Throws<NotImplementedException>(() => new CommonTlvEncodingObject(ms));
    }

    [Fact]
    void GeneralPacketClassifierEncodingTest()
    {
        GeneralPacketClassifierEncoding gpce = new GeneralPacketClassifierEncoding(new byte[]
        {
            6,  1, 1,
            5,  1, 0,
            9,  1, 0,
            3,  2, 0, 1,
            1,  1, 0,
            2,  2, 0, 1,
            4,  4, 0, 0, 0, 1,
            7,  1, 0,
            10, 1, 0,
            12, 16,
            //IPv6 Packet Classification Encoding
            3, 2, 0, 1,
            4, 4, 127, 0, 0, 1,
            6, 4, 127, 0, 0, 1
        });
        Assert.True(gpce.ClassifierActivationState.Value);
        Assert.Equal(0, gpce.RulePriority.Value);
        Assert.NotNull(gpce.Ipv4PacketClassification);
        Assert.Equal(1, gpce.ServiceFlowReference.Value);
        Assert.Equal(0, gpce.ClassifierReference.Value);
        Assert.Equal(1, gpce.ClassifierIdentifier.Value);
        Assert.Equal((uint)1, gpce.ServiceFlowIdentifier.Value);
        Assert.Equal(GeneralPacketClassifierEncoding.DynamicServiceChangeActionEnum.Add, gpce.DynamicServiceChangeAction.Value);
        Assert.NotNull(gpce.EthernetLlcPacketClassificationEncodings);

        Assert.Throws<NotImplementedException>(() => new GeneralPacketClassifierEncoding(new byte[]
        {
            12, 4,
            255, 1, 0, 0
        }));

        Assert.Throws<NotImplementedException>(() => new GeneralPacketClassifierEncoding(new byte[]
        {
            254, 1, 0
        }));
    }

    [Fact]
    public void Ipv4PacketClassificationEncodingTest()
    {
        GeneralPacketClassifierEncoding.Ipv4PacketClassificationEncodings ipce =
            new GeneralPacketClassifierEncoding.Ipv4PacketClassificationEncodings(new byte[] 
            {
                3,  4, 127, 0, 0, 1,
                5,  4, 127, 0, 0, 1,
                2,  2, 0, 1,
                4,  4, 255, 255, 255, 0,
                6,  4, 255, 255, 255, 0,
                9,  2, 0, 1,
                10, 2, 0, 1,
                7,  2, 0, 1,
                8,  2, 0, 1
            });
        Assert.NotNull(ipce.Ipv4SourceAddress);
        Assert.NotNull(ipce.Ipv4DestinationAddress);
        Assert.Equal(1, ipce.IpProtocol.Value);
        Assert.NotNull(ipce.Ipv4SourceMask);
        Assert.NotNull(ipce.Ipv4DestinationMask);
        Assert.Equal(1, ipce.DestinationPortStart.Value);
        Assert.Equal(1, ipce.DestinationPortEnd.Value);
        Assert.Equal(1, ipce.SourcePortStart.Value);
        Assert.Equal(1, ipce.SourcePortEnd.Value);

        Assert.Throws<NotImplementedException>(() =>
            new GeneralPacketClassifierEncoding.Ipv4PacketClassificationEncodings(new byte[]
            {
                255, 1, 0
            }));
    }

    [Fact]
    public void ServiceFlowSidClusterAssignmentObjectTest()
    {
        ServiceFlowSidClusterAssignmentObject sfscao = new ServiceFlowSidClusterAssignmentObject(new byte[]
        {
            1, 4, 0, 0, 0, 1,
            2, 1, 0,
            3, 1, 0,
        });
        Assert.Equal(1u, sfscao.SFID.Value);
        Assert.NotNull(sfscao.SidClusterEncoding);
        Assert.NotNull(sfscao.SidClusterSwitchoverCriteria);

        Assert.Throws<NotImplementedException>(() => new ServiceFlowSidClusterAssignmentObject(new byte[]
        {
            255, 1, 0
        }));
    }

    [Fact]
    public void SidClusterEncodingObjectTest()
    {
        ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject sceo =
            new ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject(new byte[]
            {
                1, 1, 1,
                2, 1, 0
            });
        Assert.Equal(1, sceo.SidClusterId.Value);
        Assert.NotNull(sceo.SidToChannelMapping);

        Assert.Throws<NotImplementedException>(() => new ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject(new byte[]
        {
            255, 1, 0
        }));
    }

    [Fact]
    public void SidToChannelMappingObjectTest()
    {
        ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject.SidToChannelMappingObject stcmo =
            new ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject.SidToChannelMappingObject(new byte[]
            {
                1,1,1,
                2,2,0,1,
                3,1,1
            });
        Assert.Equal(1, stcmo.UpstreamChannelId.Value);
        Assert.Equal(1, stcmo.SID.Value);
        Assert.Equal(ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject.SidToChannelMappingObject.ActionEnum.Add,stcmo.Action.Value);

        Assert.Throws<NotImplementedException>(() =>
            new ServiceFlowSidClusterAssignmentObject.SidClusterEncodingObject.SidToChannelMappingObject(new byte[]
            {
                255, 1,  0
            }));
    }
}