package cse308.swift.server.quotepoller;

import java.util.ArrayList;

import org.apache.log4j.Logger;
import cse308.swift.shared.beans.Quote;
/**
 * This class gets the immediate quote form the yahoo engine
 * WARNING: if lots of people make losts of purchases, we will likely get limited.
 * 
 * @author Ken
 *
 */
public class ImmediateQuotePoll {
	
	static Logger logger = Logger.getLogger(ImmediateQuotePoll.class.getName());
	private YahooStockEngine engine;
	
	/**
	 * Default
	 */
	public ImmediateQuotePoll()	
	{
		logger.info("Engine Initalized for Immediate Quotes ");
		engine = new YahooStockEngine();
	}
	
	/**
	 * Return the Quote for the provided symbol
	 * @param symbol The symbol to ge the quote for : String
	 * @return The Quote for the supplied symbol : Quote
	 */
	public Quote getImmediateQuote(String symbol)	
	{
		Quote retVal = null;
		ArrayList<Quote> quotes = engine.fetchQuotes(symbol);
		if (quotes != null && !quotes.isEmpty())
			retVal = quotes.get(0);
		return retVal;
		
	}
	
	/**
	 * Returns an array list of quotes, quotes must be valid of exceptions will be thrown
	 * 
	 * @param symbols The ArrayList of symbols : ArrayList<String>
	 * @return the ArrayList of Quotes : ArrayList<Quote>
	 */
	public ArrayList<Quote> getImmediateQuotes(ArrayList<String> symbols)	
	{
		ArrayList<Quote> retVal = new ArrayList<Quote>();
		ArrayList<Quote> quotes = engine.fetchQuotes(symbols);
		if (quotes != null && !quotes.isEmpty())
			for (Quote q : quotes)
				retVal.add(q);
		return retVal;
		
	}
	
	
	
	
}