using System;
using System.IO;
using System.IO.Ports;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Text;

namespace WirelessSensor
{
    

    class Program
    {
        // Declares serialport object
        static SerialPort _serialPort;
        static bool _continue;
        static FileStream fp;
        static StreamWriter sw;

        static void Main(string[] args)
        {
            _serialPort = new SerialPort();
            _serialPort.PortName = "COM4";
            _serialPort.BaudRate = 9600;

            fp = new FileStream("data.log", FileMode.Create, FileAccess.Write);
            sw = new StreamWriter(fp);
            
            try
            {
                _serialPort.Open();
            }
            catch (System.IO.IOException)
            {
                Console.Write("Error: No device found.\n");
                Environment.Exit(1);
            }

            _continue = true;
            int read;

            while(_continue)
            {
                try 
                {
                    read = _serialPort.ReadByte();
                    if (read == 154)
                    {
                        Console.Write("Light is ON!\n");
                        sw.Write("1\n");
                        sw.Flush();
                    }
                    else
                    {
                        Console.Write("Light is OFF!\n");
                        sw.Write("0\n");
                        sw.Flush();
                    }
                }
                catch (TimeoutException) 
                {
                    Console.Write("Error!\n");
                    _continue = false;
                }
            }
        }
    }
}