package usherbrooke.ift630;

import java.util.ArrayList;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Stop implements Runnable {
	private String					name;
	private int						id;
	private int						maxCapacity;
	private ArrayList<Passenger>	passengers;
	private Lock mutex =			new ReentrantLock();

	// TODO lock mutex when stop is used
	@Override
	public void run() {
		// xd do nothing for now
		//for (Passenger p : passengers) {
		//	// 
		//}
	}

	// run once. Then, queue the same thread, and exit.
	// Message a bus their current number of passenger ; and the
	// number of passenger willing to take this bus.
	Stop(int id, int maxCapacity) {
		this.id =			id;
		this.name =			"Stop " + id;
		this.passengers =	new ArrayList<Passenger>();
		this.maxCapacity =	maxCapacity;
	}

	public Passenger getPassenger() {
		return passengers.get(0);
	}

	public void addPassenger(Passenger p) {
		passengers.add(p);
	}

	// return all passenger that stops at a stop in the list
	public ArrayList<Passenger> getPassengerByDest(ArrayList<Stop> list) {
		// res for a little cleaner code
		ArrayList<Passenger> res = new ArrayList<Passenger>();
		for (Stop s : list) {
			for (Passenger p : passengers) {
				if (p.getDest() == s) {
					// if we got one, return & abort loop
					res.add(p);
					break;
				}
			}
		}

		return res;
	}

	public String getName() {
		return name;
	}

	public int getCurrentCapacity() {
		return passengers.size();
	}

	public int getMaxCapacity() {
		return maxCapacity;
	}

	public Lock getMutex() {
		return mutex;
	}

	public void printDetails(int indent, int color) {
		Logger.getInstance().print(color, "\t".repeat(indent) + "---".repeat(3) + " Stop details " + "---".repeat(3));
		Logger.getInstance().print(color, "\t".repeat(indent) + name);

		for (Passenger p : passengers) {
			p.printDetails(indent + 1);
		}
	}

	public void printDetails(int indent) {
		Logger.getInstance().print(id, "\t".repeat(indent) + "---".repeat(3) + " Stop details " + "---".repeat(3));
		Logger.getInstance().print(id, "\t".repeat(indent) + name);

		for (Passenger p : passengers) {
			p.printDetails(indent + 1);
		}
	}

	public void printDetails() {
		printDetails(0);
	}

	public void busArrive() {
		synchronized(this) {
			mutex.lock();
		}
	}

	public void busLeave() {
		synchronized(this) {
			mutex.unlock();
		}
	}

	public void removePassenger(Passenger p) {
		// Logger.getInstance().print(id, "Passenger " + p.getName() + " left " + name);
		try {
			passengers.remove(p);
		} catch(Exception e) {
			System.out.println("exception" + e.getMessage());
		}
	}
}