using System;
using System.Threading;
using MECF.Framework.Simulator.Core.Driver;
using System.Threading.Tasks;

namespace Venus_Simulator.Devices
{
    class AdTecGeneratorMockPMD : SerialPortDeviceSimulator
    {
        public enum GeneratorStatus
        {
            Unknown,
            OFF,
            ON,
            ERROR
        }

        public static GeneratorStatus _simGeneratorStatus;
        private const string EOF = "\r";
        private const char MSG_DELIMITER = '_';
        private const string MOCKUP_PORT = "COM49";
        private string RFPower = "0";


        public AdTecGeneratorMockPMD() : base(MOCKUP_PORT, -1, EOF, MSG_DELIMITER)
        {
            _simGeneratorStatus = GeneratorStatus.Unknown;
        }

        protected  override void ProcessUnsplitMessage(string message)
        {
            if (string.IsNullOrEmpty(message))
                throw new ArgumentException("Hardware command message is invalid");

            string sRes = string.Empty;

            if (message.Contains(EOF))
            {
                message = message.Remove(message.Length - 1);
            }

            string[] msgs = message.Split('\r');
            foreach(string msg in msgs)
            {
                if (msg.Contains(" W"))
                {
                    RFPower = msg.Split(' ')[0].ToString().PadLeft(5, '0');
                    if (_simGeneratorStatus == GeneratorStatus.ON)
                    {
                        sRes = $"2010000 12345 {RFPower} 00010 45678\r";
                    }
                }
                switch (msg)
                {
                    case "Q":
                        if (_simGeneratorStatus == GeneratorStatus.ON)
                        {
                            sRes = $"2010000 12345 {RFPower} 00010 45678\r";
                        }
                        else if (_simGeneratorStatus == GeneratorStatus.OFF)
                        {
                            sRes = "2000000 12345 00000 00000 45678\r";
                        }
                        break;
                    case "G":
                        _simGeneratorStatus = GeneratorStatus.ON;
                        sRes = "\r";
                        break;
                    case "S":
                        _simGeneratorStatus = GeneratorStatus.OFF;
                        sRes = "\r";
                        break;
                    default:
                        break;
                }

                //Thread.Sleep(200);
                sRes += "\r";
                OnWriteMessage(sRes);

            }
        }
    }
}