using System;
using System.Collections;
using System.Collections.Generic; 
using QuantConnect.Securities;  
using QuantConnect.Models;   

namespace QuantConnect { 
    /*************************************************************************** 
        SECURITY MANAGER CLASS
        Acccess or iterate over your stocks/securities, using a string indexed 
        Dictionary. It is a global in the QCAlgorithm base class, and implements 
        a Dictionary Interface: IDictionary<string, Security> Securities
        
        THIS IS AN EXAMPLE ALGORITHM FROM THE QUANTCONNECT'S API DOCUMENTATION
    ***************************************************************************/
    public class SecurityManagerExample : QCAlgorithm
    {
        
        public override void Initialize()
        {
            AddSecurity(SecurityType.Equity, "SPY", Resolution.Minute);
        }
        
        //You can access the Securities object like:
        public void OnData(TradeBars securityData)
        {
            if (!Portfolio.HoldStock) 
            {
                SetHoldings("SPY", 1);
            }

            foreach(Security stock in Securities.Values)
            {
            	/*Remember Minute and second resolution data arrives at your algorithm 
            	with time, open, high, low, close and total volume values*/
            	if (stock.Low > stock.High)
            	{
            		Debug("Data is wrong!");
            	}
            }    
        }
    }
}