package io.traintracker.core;

import java.time.LocalTime;
import java.util.ArrayDeque;
import java.util.Deque;

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

final class HrDocumentParser {

	private HrDocumentParser() {
	}

	static Station parseCurrentPosition(Document doc) {
		Station station = null;

		Elements tables = doc.getElementsByTag("tbody");

		if (tables.size() == 2) {
			Elements rows = tables.last().children();
			String nameRaw = rows.get(1).child(0).child(1).text().trim();
			Element position = rows.get(2);
			String direction = position.child(0).child(0).text().trim();
			String timeRaw = position.child(0).child(1).text().trim();
			String delayRaw = rows.get(3).child(0).child(0).child(0).text().trim();

			String name = nameRaw.replace('+', ' ');
			LocalTime time = LocalTime.parse(timeRaw.substring(12, 17));
			int delay = delayRaw.startsWith("Kasni") ? Integer.parseInt(delayRaw.substring(6, 8)) : 0;

			station = new Station(name);

			if (direction.equals("Odlazak")) {
				station.setDepartureTime(time);
				station.setDepartureDelay(delay);
			}
			else {
				station.setArrivalTime(time);
				station.setArrivalDelay(delay);
			}
		}

		return station;
	}

	static Deque<Station> parseOverview(Document doc) {
		Deque<Station> stations = new ArrayDeque<>();

		Elements tables = doc.getElementsByTag("tbody");

		if (tables.size() == 3) {
			Elements rows = tables.last().children();
			rows.remove(0);

			for (Element row : rows) {
				String name = row.child(0).text().trim();
				String direction = row.child(1).text().trim();
				String time = row.child(3).text().trim();
				String delay = row.child(4).text().trim();

				Station station;

				if (direction.equals("Dolazak")) {
					station = new Station(name);
					station.setArrivalTime(LocalTime.parse(time));
					station.setArrivalDelay(delay.isEmpty() ? 0 : Integer.parseInt(delay));
				}
				else {
					if (!stations.isEmpty() && stations.peekLast().getName().equals(name)) {
						station = stations.removeLast();
					}
					else {
						station = new Station(name);
					}

					station.setDepartureTime(LocalTime.parse(time));
					station.setDepartureDelay(delay.isEmpty() ? 0 : Integer.parseInt(delay));
				}

				stations.add(station);
			}
		}

		return stations;
	}

}

@@ -930,17 +930,22 @@
 %22Kasni%22)
- 
+%0A%09%09%09%09%09
 ? Intege
@@ -981,9 +981,32 @@
 (6, 
-8
+delayRaw.indexOf(' ', 6)
 )) :

Fix delay parsing