using System;
using System.Media;
using System.Threading;
using System.Collections.Generic;

namespace Ozeki
{ 
    public class Program 
    { 
      	List<string> keys;

        public void Start()
        {    
          	Subscribe("MyPN532Nfc@localhost");
          	Subscribe("My_SQL_messaging_1@localhost");
          
          	keys = new List<string>();
        }

        public void Receive(Message msg)
        {
          if(msg.FromConnection == "MyPN532Nfc@localhost")
                if(keys.Contains(msg.Text)){
                    openDoor();
                }
          if(msg.FromConnection == "My_SQL_messaging_1@localhost")
            {
              if(keys.Contains(msg.Text)) { keys.Clear(); }
              keys.Add(msg.Text);
            }
        }
      
        void openDoor()
        {
            Send("MyRelay@localhost","on");
            System.Threading.Thread.Sleep(20000);
            Send("MyRelay@localhost","off");
        }
    }
};