/**  
 * 
 * This is a http://en.wikipedia.org/wiki/MACD
 *  
 *  
 *  @author Freeman Lo
 *  @version 0.0.1 Build 1 April 1, 2014.
 *  Limitations - i would like to add a Date associate to this next time i do this application.  
 */

import java.util.ArrayList;
import java.util.Collections;

public class ProcessMACD {

	ArrayList <String> sArrList = new ArrayList <String> ();
	ArrayList <Double> macd = new ArrayList <Double> ();
	ArrayList <Double> ema12 = new ArrayList <Double> ();
	ArrayList <Double> ema26 = new ArrayList <Double> ();

	
	public ProcessMACD (ArrayList<String> sArrList) {
		this.sArrList = sArrList;
	}
	
	public void setEMAValues(ArrayList<Double> ema12, ArrayList<Double> ema26) {
		this.ema12 = ema12;
		this.ema26 = ema26;
	}
	
	public void computeMACD() {
		double macd = 0.00;
		
		for ( int item = 0; item < this.ema26.size(); item++ ) {
			// starts with 0, so 12 is actually 13th place
			// stupid math was complicated since i had to manually count
			// the stupid slots
			 macd = this.ema12.get(item+14) - this.ema26.get(item);
			 this.macd.add(macd);
		 }
	}
	
	public void printMACDValues() {
		
		// reverse the stupid list to show most recent on top
		Collections.reverse(this.macd);
		
		for (int item = 0; item < macd.size(); item++ ) {
			System.out.println("The MACD values for this is: " + this.macd.get(item) );
		}
	}
}