package ei.game.scene.buildings;

import java.util.LinkedList;
import java.util.Queue;

import ei.engine.math.Vector2i;
import ei.engine.scene.Node;
import ei.game.gamestate.InGameState;
import ei.game.player.Player;
import ei.game.scene.GameEntity;
import ei.game.scene.Map;
import ei.game.scene.units.Unit;

public abstract class Building extends GameEntity{
	private Queue<Unit> buildQueue;
	private int buildTime;
	private Node unitNode;
	private Vector2i oldPos;
	private int size;


	public Building(int l, Vector2i pos, Player p, int size) {
		super(l, p);
		this.size = size;
		buildQueue = new LinkedList<Unit>();
		unitNode = new Node("UnitNode");
		unitNode.setLocation(Map.getPixelByPos(pos.getX(), pos.getY(), this.size));
		System.out.println("location: "+unitNode.getLocation());
		setPos(pos.getX(), pos.getY(), this.size);
	}
	
	public void setSelected(boolean b) {
		if(b) {
			unitNode.add(getSelection().getSelectNode());
		}
		else{
			unitNode.remove(getSelection().getSelectNode());
		}
	}
	
	public void setMouseOver(boolean b) {
		if(b) {
			unitNode.add(getSelection().getMouseOverNode());
		}
		else{
			unitNode.remove(getSelection().getMouseOverNode());
		}
	}
	/**
	 * Sets the size of the building.
	 * @param size
	 */
	public void setSize(int size) {
		this.size = size;
	}
	/**
	 * Returns the sprite for the unit
	 * 
	 * @return The sprite for the unit
	 */
	public Node getNode(){
		return unitNode;
	}
	
	/**
	 * Changes the pos of the unit in the map
	 * 
	 * @param x The x pos to move to
	 * @param y The y pos to move to
	 */
	public void setPos(int x, int y, int size) {
		if(oldPos!=null) {
			InGameState.getMap().removeBuildPos(oldPos.getX(), oldPos.getY(), size);
		}
		oldPos = new Vector2i(x, y);
		InGameState.getMap().setBuildPos(this, x, y, size);
	}

		
	/**
	 * Removes this building from the game.
	 *
	 */	
	public void removeBuilding(){
		unitNode.remove(getSprite());
		getPlayer().removeUnit(this);
		InGameState.getMap().removeBuildPos(oldPos.getX(), oldPos.getY(), this.size);
	}
	
	/**
	 * Updating the unit
	 */
	public void update() {
		
		if(getLife()<=0) {
			removeBuilding();
		}
		
	}
}