package dk.thoerup.traininfoservice.banedk;

import java.io.IOException;
import java.net.URL;
import java.util.logging.Logger;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;


@WebServlet(urlPatterns={"/MetroServlet"})
public class MetroServlet extends HttpServlet {
	
	Logger logger = Logger.getLogger(MetroServlet.class.getName());

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		URL url = new URL("http://www.m.dk/layouts/Metro/Widgets/MetroWidget.ashx?StationId=7&Congestion=true&Application=MyMetro&Expiration=true");
		Document doc = Jsoup.parse(url, 5000);
		
		String head = doc.getElementsByClass("metro-widget-headline").get(0).text(); 
		
		logger.info("head: " + head);
		
		Element content = doc.getElementsByClass("metro-widget-content").get(0);
		Elements contentElems = content.children();
			
		logger.info("tbody"+ content.getElementsByTag("table").size() );
		
		
		Element departureTable = content.getElementsByTag("table").get(0);
		
		logger.info(departureTable.text());
		logger.info(departureTable.html());

		Elements rows = departureTable.getElementsByTag("tr");


		for (int i=1; i<rows.size(); i++) {
			Element row = rows.get(i);
		
			Elements fields = row.children();
			
			String metro = fields.get(0).text();
			String destination = fields.get(1).text();
			Elements minuteFields = fields.get(2).children();
			String minutes ="";
			
			for (Element elm : minuteFields) {
				minutes = minutes + elm.text() + " ";
			}
			
			logger.info("Row:" + metro + "/" + destination + "/" + minutes);			
		}
				
		String driftsInfo = contentElems.get(3).text();
		logger.info("Driftsinfo: " + driftsInfo);
		
		String koereplan = contentElems.get(5).text();
		logger.info("Køreplan:" + koereplan);

		
		response.getWriter().print( doc.html() );
	}
	
}