package server.world;

import java.util.Iterator;
import java.util.concurrent.CopyOnWriteArrayList;

import server.model.objects.Object;
import server.model.players.Client;
import server.model.players.Player;
import server.model.players.PlayerHandler;

/**
 *
 * @author Aleksandr
 *
 */
public class ObjectManager {

	private CopyOnWriteArrayList<Object> object = new CopyOnWriteArrayList<Object>();
	private CopyOnWriteArrayList<Object> toRemove = new CopyOnWriteArrayList<Object>();

	public void process() {
		Iterator<Object> itr = object.iterator();
		while(itr.hasNext()) {
			Object o = itr.next();
			if(o.tick > 0) {
				o.tick--;
				continue;
			}
			if(o.tick <= 0) {
				toRemove.add(o);
				removeObject(o);
			}
		}
		itr = toRemove.iterator();
		while(itr.hasNext()) {
			Object o = itr.next();
			object.remove(o);
		}
		toRemove.clear();

	}

	public void addObject(Object o) {
		Object o2 = getObject(o.getX(), o.getY(), o.getHeight());
		if(o2 != null) {
			object.set(object.indexOf(o2), o);
		} else {
			object.add(o);
		}
		placeObject(o);
	}

	public void placeObject(Object o) {
		for(Player p : PlayerHandler.players) {
			if(p == null)
				continue;
			Client c = (Client) p;
			if(loadForPlayer(c, o)) {
				c.getPA().object(o.getNewId(), o.getX(), o.getY(), o.getFace(), o.getType());
			} else if(o.originalObject) {
				c.objectToRemove.add(o);
				object.remove(o);
			}

		}
	}

	public void loadObjects(Client c) {
		for(Object o : object) {
			if(loadForPlayer(c, o))
				c.getPA().object(o.getNewId(), o.getX(), o.getY(), o.getFace(), o.getType());
		}
		for(Object o2 : c.objectToRemove) {
			if(loadForPlayer(c, o2)) {
				c.getPA().object(o2.getNewId(), o2.getX(), o2.getY(), o2.getFace(), o2.getType());
				c.objectToRemove.remove(o2);
			}
		}
	}

	public boolean loadForPlayer(Client c, Object o) {
		return c.distanceToPoint(o.getX(), o.getY()) <= 60 && o.getHeight() == c.heightLevel;
	}

	public boolean withinDistance(Client c, Object o) {
		return c.distanceToPoint(o.getX(), o.getY()) <= 60;
	}

	public void removeObject(Object o) {
		for(Player p : PlayerHandler.players) {
			if(p == null)
				continue;
			Client c = (Client) p;
			if(loadForPlayer(c, o)) {
				c.getPA().object(o.getNewId(), o.getX(), o.getY(), o.getFace(), o.getType());
				continue;
			}
			if(withinDistance(c, o))
				c.objectToRemove.add(o);
		}
	}

	public Object getObject(int x, int y, int height) {
		for (Object o : object) {
			if (o.objectX == x && o.objectY == y && o.height == height)
				return o;
		}
		return null;
	}

	public void removeGameObjects(Client c, int objectClass) {
		for(Object o: object) {
			if(o.objectClass == objectClass)
				toRemove.add(o);
		}
	}

	public int getObjectCount() {
		int count = 0;
		for (Object o : object) {
			if(o != null)
				count++;
		}
		return count;
	}

	public int getObjectCount2() {
		int count = 0;
		for (Object o : toRemove) {
			if(o != null)
				count++;
		}
		return count;
	}

	public int getObjectCount3(Client c) {
		int count = 0;
		for (Object o : c.objectToRemove) {
			if(o != null)
				count++;
		}
		return count;
	}

}