using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ORiN2.ManagedCAO;

namespace Sample
{
    class Program
    {
        static void Main(string[] args)
        {
            CCaoEngine caoEng = null;

            try
            {
                // Create Cao objects
                caoEng = new CCaoEngine();
                CCaoWorkspaces caoWss = caoEng.Workspaces;
                CCaoWorkspace caoWs = caoWss[0];
                CCaoControllers caoCtrls = caoWs.Controllers;

                var connOpt = "Conn=TCP:192.168.0.10,ConnTimout=5000,Timout=5000";
                // Connect to air particle sensor
                CCaoController caoCtrl = caoWs.AddController("ZNPDS_Sample",
                                              "CaoProv.OMRON.ZNPDS",
                                              null,
                                              connOpt);

                // Get error status
                CCaoVariable caoVarErrorStatus;
                caoVarErrorStatus = caoCtrl.AddVariable("@ERROR_STATUS", null);
                var errorStatus = caoVarErrorStatus.Value;
                var value = (errorStatus != null) ? Convert.ToString(errorStatus) : string.Empty;
                Console.WriteLine("@ERROR_STATUS:" + value);

                // Get mode switch status
                CCaoVariable caoVarMode;
                caoVarMode = caoCtrl.AddVariable("@MODE", null);
                var mode = caoVarMode.Value;
                value = (mode != null) ? Convert.ToString(mode) : string.Empty;
                Console.WriteLine("@MODE:" + value);

                // Get measured value
                CCaoVariable caoVarMeasurement;
                caoVarMeasurement = caoCtrl.AddVariable("@MEASUREMENT", null);
                var measurement = caoVarMeasurement.Value;
                value = (measurement != null && measurement is Array) 
                        ? string.Join(",", (object[])measurement) 
                        : string.Empty;
                Console.WriteLine("@MEASUREMENT:" + value);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                if (caoEng != null)
                {
                    caoEng.Dispose();
                    caoEng = null;
                }
            }
        }
    }
}