// Shows how to browse and display the certificate groups available in the Certificate Manager.

using System;
using OpcLabs.EasyOpc.UA;
using OpcLabs.EasyOpc.UA.Gds;
using OpcLabs.EasyOpc.UA.OperationModel;

namespace UADocExamples.Gds._EasyUACertificateManagementClient
{
    class BrowseCertificateGroups
    {
        public static void Main1()
        {
            // Define which GDS we will work with.
            UAEndpointDescriptor gdsEndpointDescriptor = "opc.tcp://opcua.demo-this.com:58810/GlobalDiscoveryServer";

            // Instantiate the certificate management client object.
            var certificateManagementClient = new EasyUACertificateManagementClient();

            // Browse the certificate groups available in the GDS.
            UACertificateGroupElementCollection certificateGroupElementCollection;
            try
            {
                certificateGroupElementCollection = certificateManagementClient.BrowseCertificateGroups(gdsEndpointDescriptor);
            }
            catch (UAException uaException)
            {
                Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message);
                return;
            }

            // Display results
            foreach (UACertificateGroupElement certificateGroupElement in certificateGroupElementCollection)
            {
                Console.WriteLine(certificateGroupElement);
            }
        }
    }
}