// This example shows how to call a single method, and pass arguments to and from it.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.

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

namespace UADocExamples._EasyUAClient
{
    class CallMethod
    {
        public static void Main1()
        {
            UAEndpointDescriptor endpointDescriptor =
                "opc.tcp://opcua.demo-this.com:51210/UA/SampleServer";
            // or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported)
            // or "https://opcua.demo-this.com:51212/UA/SampleServer/"

            object[] inputs =
            {
                false, 
                1, 
                2, 
                3, 
                4, 
                5, 
                6, 
                7, 
                8, 
                9, 
                10
            };

            TypeCode[] typeCodes =
            {
                TypeCode.Boolean,
                TypeCode.SByte,
                TypeCode.Byte,
                TypeCode.Int16,
                TypeCode.UInt16,
                TypeCode.Int32,
                TypeCode.UInt32,
                TypeCode.Int64,
                TypeCode.UInt64,
                TypeCode.Single,
                TypeCode.Double
            };

            // Instantiate the client object
            var client = new EasyUAClient();

            // Perform the operation.
            object[] outputs;
            try
            {
                outputs = client.CallMethod(
                    endpointDescriptor,
                    "nsu=http://test.org/UA/Data/ ;i=10755",
                    "nsu=http://test.org/UA/Data/ ;i=10756",
                    inputs,
                    typeCodes);
            }
            catch (UAException uaException)
            {
                Console.WriteLine($"*** Failure: {uaException.GetBaseException().Message}");
                return;
            }

            // Display results
            for (int i = 0; i < outputs.Length; i++)
                Console.WriteLine($"outputs[{i}]: {outputs[i]}");

            // Example output:
            //outputs[0]: False
            //outputs[1]: 1
            //outputs[2]: 2
            //outputs[3]: 3
            //outputs[4]: 4
            //outputs[5]: 5
            //outputs[6]: 6
            //outputs[7]: 7
            //outputs[8]: 8
            //outputs[9]: 9
            //outputs[10]: 10        
        }
    }
}