namespace QuantConnect.Algorithm.CSharp
{
    public class buythedip : QCAlgorithm
    {
        //Member variables
        private static Symbol _google = QuantConnect.Symbol.Create("GOOGL", SecurityType.Equity, Market.USA);
        
        private int ForwardLookingPeriod = 25;
        private int BackwardLookingPeriod = 25;
        private decimal fallAmount = Convert.ToDecimal(0.1);
        private decimal riseAmount = Convert.ToDecimal(0.05);
        private int minutesToExecute = 10;
        private decimal relevantPrice;
       
         
        private RollingWindow<decimal> _close_window;
        public Boolean cash;
    	public Boolean buyTrigger;
    	public Boolean sellTrigger;
         

    public override void Initialize()  
    {
    	SetStartDate(2013,01,01);
    	SetEndDate(2018,02,01);
    	SetCash(30000);
    	
    	AddEquity(_google, Resolution.Daily);
    	
    	_close_window = new RollingWindow<decimal>(BackwardLookingPeriod);
    	
    	IEnumerable<TradeBar> slices = History(_google, BackwardLookingPeriod);
    	
    	foreach (TradeBar bar in slices) {
    		_close_window.Add(bar.Close);
    	}
    		
    	Debug(_close_window[0]);
    	Console.WriteLine("Hugo Lu");
    	
    	Schedule.On(DateRules.EveryDay(_google), 
    	TimeRules.AfterMarketOpen(_google,minutesToExecute), //Execute the function at the start of the day 
    	//                                                     x minutes in....
    	EveryDayOnMarketOpen);
    }
    
    public void EveryDayOnMarketOpen(){ //Define the bad boy
    	
    	//Sanity Check; are there open orders?
    	if (Transactions.GetOpenOrders().Count > 0) {
    		return;
    	}
    	//Get information about however many periods ago
    	IEnumerable<TradeBar> slices = History(_google,BackwardLookingPeriod) ;
    	TradeBar BarOfInterest = slices.First();
    	
    	decimal relevantClose = BarOfInterest.Close;
    	decimal yestClose = slices.Last().Close;
    	
    	decimal fallPercent = 1 - (yestClose/relevantClose);
    	
   		relevantPrice = yestClose;

    	//Is it time to buy?
    	if(fallPercent > fallAmount && Portfolio.Cash > 100 ) {
    		buyTrigger = true;
    	} else {
    		buyTrigger = false;
    	}
    	if(buyTrigger) {
    		SetHoldings(_google,1);
    	}

    	//Is it time to sell?
    	if(((yestClose / relevantPrice)-1)> riseAmount) {
    		Log("inside");
    		sellTrigger = true;
    	} else { 
    		sellTrigger = false;
    	
    	}
    	
    	if(sellTrigger) {
    		Liquidate();
    	};
    	
    	}
    	
	}
}