import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Driver
{
    ArrayList dataList = new ArrayList(0);

    public Driver()
    {
    }
    public Driver(ArrayList l)
    {
        dataList = l;
    }
    public ArrayList getData()
    {
        return dataList;
    }
    public void setData(ArrayList l)
    {
        if(dataList != null)
        {
        dataList = l;
        }
    }
    public ArrayList run(ArrayList<String> data)
    {
        OrderForm ordersample = new OrderForm();
        OrderForm last = new OrderForm();
        ReviewForm reviewsample = new ReviewForm();
        ArrayList<String> unproc = new ArrayList<String>(0);

    for(int x = 0; x < data.size(); x++)
    {
        String rfreg = "(.*),?#([0-9]*)";
        Pattern p2 = Pattern.compile(rfreg);
        Matcher m2 = p2.matcher(data.get(x).toString());
        ordersample = new OrderForm();

        if(ordersample.process(data.get(x)))
        {
            last = new OrderForm();
            last.process(data.get(x));
            dataList.add(last);
        }
        else if(data.get(x).startsWith("#"))
        {
            String ireg = "#(\\w*.*),(\\d*\\.\\d*),(\\d*)";
            Pattern p = Pattern.compile(ireg);
            Matcher m = p.matcher(data.get(x));
            if(m.matches())
            {
                String itemname = m.group(1);
                String price = m.group(2);
                String quantity = m.group(3);
                Item thing = new Item(itemname, Double.parseDouble(price), Integer.parseInt(quantity));
                last.addItem(thing);
                dataList.remove(dataList.size()-1);
                dataList.add(last);
            }
        }
        if(m2.matches())
        {
            String rev = m2.group(1);
            String stars = m2.group(2);
            reviewsample.setStars(Integer.parseInt(stars));
            reviewsample.setReview(rev);
        }
        else
        {
        unproc.add(data.get(x).toString());
        }
    }
        //returns unprocessable elements in the list back to the user
    return unproc;
}
}