using System;
using System.Collections.Generic;

using IEC61850.Client;
using IEC61850.Common;

/// <summary>
/// Example for browsing the data model of a server. Shows logical devices, logical nodes,
/// data sets and report control blocks
/// </summary>
namespace model_browsing
{
    class ModelBrowsing
    {
        public static void Main (string[] args)
        {
            IedConnection con = new IedConnection ();

            string hostname;

            if (args.Length > 0)
                hostname = args[0];
            else
                hostname = "localhost";

            try
            {
				Console.WriteLine("Connect to " + hostname + " ...");

				con.Connect(hostname, 102);

				Console.WriteLine("Connected.");

				MmsConnection mmsCon = con.GetMmsConnection();

				MmsServerIdentity identity = mmsCon.GetServerIdentity();

				Console.WriteLine("Vendor:   " + identity.vendorName);
				Console.WriteLine("Model:    " + identity.modelName);
				Console.WriteLine("Revision: " + identity.revision);

                List<string> serverDirectory = con.GetServerDirectory(false);

                foreach (string ldName in serverDirectory)
                {
                    Console.WriteLine("LD: " + ldName);

					List<string> lnNames = con.GetLogicalDeviceDirectory(ldName);

					foreach (string lnName in lnNames)
					{
						Console.WriteLine("  LN: " + lnName);

						string logicalNodeReference = ldName + "/" + lnName;

						// discover data objects
						List<string> dataObjects = 
							con.GetLogicalNodeDirectory(logicalNodeReference, ACSIClass.ACSI_CLASS_DATA_OBJECT);

						foreach (string dataObject in dataObjects) {
							Console.WriteLine("    DO: " + dataObject);

							List<string> dataDirectory = con.GetDataDirectoryFC(logicalNodeReference + "." + dataObject);

							foreach (string dataDirectoryElement in dataDirectory) {

								string daReference = logicalNodeReference + "." + dataObject + "." + ObjectReference.getElementName(dataDirectoryElement);

								// get the type specification of a variable
								MmsVariableSpecification specification = con.GetVariableSpecification(daReference,  ObjectReference.getFC(dataDirectoryElement));

								Console.WriteLine ("      DA/SDO: [" + ObjectReference.getFC(dataDirectoryElement) + "] " +
								                   ObjectReference.getElementName(dataDirectoryElement) + " : " + specification.GetType()
								                   + "(" + specification.Size() + ")");

								if (specification.GetType() == MmsType.MMS_STRUCTURE) {
									foreach (MmsVariableSpecification elementSpec in specification) {
										Console.WriteLine("           " + elementSpec.GetName() + " : " + elementSpec.GetType());
									}
								}
							}

						}

						// discover data sets
						List<string> dataSets =
							con.GetLogicalNodeDirectory(logicalNodeReference, ACSIClass.ACSI_CLASS_DATA_SET);

						foreach (string dataSet in dataSets) {
							Console.WriteLine("    Dataset: " + dataSet);
						}

						// discover unbuffered report control blocks
						List<string> urcbs =
							con.GetLogicalNodeDirectory(logicalNodeReference, ACSIClass.ACSI_CLASS_URCB);

						foreach (string urcb in urcbs) {
							Console.WriteLine("    URCB: " + urcb);
						}

						// discover buffered report control blocks
						List<string> brcbs =
							con.GetLogicalNodeDirectory(logicalNodeReference, ACSIClass.ACSI_CLASS_BRCB);

						foreach (string brcb in brcbs) {
							Console.WriteLine("    BRCB: " + brcb);
						}


					}

                }

                con.Abort();
            }
            catch (IedConnectionException e)
            {
                Console.WriteLine(e.Message);
            }

			// release all resources - do NOT use the object after this call!!
			con.Dispose ();
        }
    }
}