package actions;

import javax.servlet.http.*;
import org.apache.struts.action.*;
import beans.*;
import java.util.*;

public final class AddToCartServlet extends Action
{

public ActionForward execute(ActionMapping mapping, ActionForm form,
		HttpServletRequest request, HttpServletResponse response) {
	ActionForward nextPage = null;
    HttpSession session = request.getSession();
    
    ArrayList theCart = new ArrayList();
    if (session.getAttribute("cart") != null){
    	theCart = (ArrayList)session.getAttribute("cart");
    }
    beans.ProductFormBean theBean = (ProductFormBean)form;
    managers.ProductManager manager = new managers.ProductManager();

    if (theBean.getProductId() == 0) {
		request.setAttribute("message", "Product Id is required");
		nextPage = mapping.findForward("failure");
    }
    else if (theBean.getQuantity() == 0) {
    	request.setAttribute("message", "Quantity is required");
		nextPage = mapping.findForward("failure");
    }
    else{
	try{
		theBean = manager.find(theBean);
		if (theBean == null){
			nextPage = mapping.findForward("failure");
			request.setAttribute("message", "Error locating product");
		}
		else{
			request.setAttribute("message", "Product Added to Cart");
			theCart.add(theBean);
			//request.setAttribute("cart", theCart);
			totaller bob = new totaller();
			String total = bob.total(theCart);
			session.setAttribute("cart", theCart);
			nextPage = mapping.findForward("success");
			}
		}	
	catch (Exception e){
		request.setAttribute("message", e+" "+"exception error");
		nextPage = mapping.findForward("failure");
		}

// request.setAttribute("cart", theBean);

    }
	return nextPage;
}

}