package Applicatie;

import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Point;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.util.ArrayList;

import javax.swing.ImageIcon;

import Agenda.Agenda;
import Agenda.Event;

public class Visitor {

	Point2D position;
	double rotation;
	double speed;
	String filename;
	ArrayList<Action> actions;
	Agenda agenda;
	ArrayList<DrawObject> objects;

	public Visitor(String filename, Point2D position, Agenda agenda,
			ArrayList<DrawObject> objects) {
		this.position = position;
		this.filename = filename;
		this.rotation = 0;
        this.speed = 1 + Math.random()*4;
		actions = new ArrayList<Action>();
		this.agenda = agenda;
		this.objects = objects;
		fillActions();
	}

	public void draw(Graphics2D g2) {
		AffineTransform tx = getTransform();
		Image image = Images.getImage(filename);
		g2.drawImage(image, tx, null);
	}
	
	private AffineTransform getTransform() {
		AffineTransform tx = new AffineTransform();
		tx.translate(position.getX(), position.getY());
		Image image = Images.getImage(filename);
		tx.rotate(rotation, image.getWidth(null) / 2, image.getHeight(null) / 2);
		return tx;
	}

	public void update(ArrayList<DrawObject> objects, int currentTime,
		ArrayList<Visitor> visitors) {
		Point2D target = new Point(-100, -100);
		for (Action a : actions) {
			if (currentTime >= a.getStartTime()
					&& currentTime < a.getStoptime()) {
				target = a.getPosition();
			}

		}
		moveToTarget(target, objects, visitors);
	}

	public void moveToTarget(Point2D target, ArrayList<DrawObject> objects, ArrayList<Visitor> visitors) {

		double newRot = Math.atan2(target.getY()-position.getY(), target.getX()- position.getX());
		
		int difx = (int)(target.getX() - position.getX());
		int dify = (int)(target.getY() - position.getY());
		int distance =  (int) Math.sqrt((difx*difx)+(dify*dify));
		
		if (rotation > newRot && distance > 10){
			rotation -= 0.15;
		} else if (rotation < newRot && distance > 10){
			rotation += 0.15;
		}

		Point2D oldPosition = position;

		//face direction
		float directionX = (float)Math.cos(rotation);
		float directionY = (float)Math.sin(rotation);
		
		if (distance > 10){
			position = new Point2D.Double((position.getX() + directionX * speed),(position.getY() + directionY * speed));
		}
		
		
		boolean possible = true;
		for (DrawObject object : objects) {
			if (hitTest(object)) {
				possible = false;
			}
		}
		for (Visitor object : visitors) {
			if (hitTestVisitor(object) && object != this) {
				possible = false;
			}
		}
		if (possible == false) {
			position = oldPosition;
			rotation += 0.2;
		}
	}

	public void fillActions() {
		int startTime = 540;
		int stopTime = 1260;

		while (startTime < stopTime) {
			int random = (int) Math.floor(Math.random() * 51);
			if (random < 30) {
				Point2D position = null;
				for (Event e : agenda.getEvents()) {
					if (convertMinutesToHours(startTime) > e.getStart()
							&& convertMinutesToHours(startTime) < e.getStop()) {
						for (DrawObject d : objects) {
							if (d.getFileName().equals(e.getStage().getName())) {
								position = d.getPosition();
							}
						}
					}
				}
				int randomtime = (int) (40 + (Math.random() * (60 - 40)));
				if (position != null) {
					actions.add(new Action(position, startTime, randomtime));
				}
				startTime = startTime + randomtime;

			} else if (random >= 30 && random < 35) {
				Point2D position = null;
				for (DrawObject d : objects) {
					if (d.getFileName().equals("entrance")) {
						position = d.getPosition();
					}
				}
				if (position != null) {
					actions.add(new Action(position, startTime, 35));
					startTime = startTime + 35;
				}
				startTime = startTime + 35;

			} else if (random > 35) {
				Point2D position = null;
				for (DrawObject d : objects) {
					if (d.getFileName().equals("wc")) {
						position = d.getPosition();
					}
				}
				if (position != null) {
					actions.add(new Action(position, startTime, 35));
				}
				startTime = startTime + 35;

			}
		}
	}

	public int convertMinutesToHours(int startTime) {
		int time = 0;
		int hours = startTime / 60;
		int minutes = startTime % 60;
		time = (hours * 100) + minutes;
		return time;
	}

	public int getEndX() {
		Image image = Images.getImage(filename);
		return (int) (position.getX() + image.getWidth(null));
	}

	public int getEndY() {
		Image image = Images.getImage(filename);
		return (int) (position.getY() + image.getHeight(null));
	}

	public boolean hitTest(DrawObject to2) {
		return (getEndX() >= to2.getX() && getEndY() >= to2.getY()
				&& to2.getEndX() >= position.getX() && to2.getEndY() >= position
				.getY());
		
	}

	public boolean hitTestVisitor(Visitor v) {
		return (getEndX() >= v.position.getX()
				&& getEndY() >= v.position.getY()
				&& v.getEndX() >= position.getX() && v.getEndY() >= position
				.getY());
	}
}