package ei.game.scene.units;


import ei.engine.math.Vector2f;
import ei.engine.math.Vector2i;
import ei.engine.scene.Sprite;
import ei.game.gamestate.InGameState;
import ei.game.scene.GameEntity;
import ei.game.scene.weapons.Weapon;

public abstract class Unit extends GameEntity{
	// The texture
	private Sprite looks;
	// The wepon of the unit
	private Weapon weapon;
	// Som temp pos for moving the unit
	private Vector2i oldPos;
	private Vector2f moveTo;

	/**
	 * Creates a empty unit
	 * 
	 * @param l The max life of the unit
	 */
	public Unit(int l) {
		super(l);
		looks = new Sprite("none");
		setPos(0, 0);
	}
	
	/**
	 * Returns the sprite for the unit
	 * 
	 * @return The sprite for the unit
	 */
	public Sprite getSprite(){
		return looks;
	}
	
	/**
	 * Set the sprite for the unit
	 * 
	 * @param image The sprite for the unit
	 */
	public void setSprite(Sprite image) {
		looks = image;
	}
	
	/**
	 * Sets the pos of the unit whitout removing it from the old
	 * 
	 * @param x The x pos to move to
	 * @param y The y pos to move to
	 */
	public void setPos(int x, int y) {
		oldPos = new Vector2i(x, y);
		InGameState.getMap().setPos(this, x, y);
		
	}
	
	/**
	 * Moving a unit to the given pos
	 * 
	 * @param x The x pos to move to
	 * @param y The y pos to move to
	 */
	public void move(int x, int y) {
		if(oldPos!=null) {
			InGameState.getMap().removePos(oldPos.getX(), oldPos.getY());
		}
		setPos(x, y);
		moveTo = InGameState.getMap().getPixelByPos((int)x, (int)y);
		oldPos = new Vector2i(x, y);
	}
	
	/**
	 * Updating the unit
	 */
	public void update() {
		if(moveTo!=null) {
			if(moveTo.getX() > looks.getLocation().getX()) {
				looks.getLocation().add(1.5f, 0f, 0f);
			}
			if(moveTo.getX() < looks.getLocation().getX()) {
				looks.getLocation().add(-1.5f, 0f, 0f);
			}
			if(moveTo.getY() > looks.getLocation().getY()) {
				looks.getLocation().add(0f, 1.5f, 0f);
			}
			if(moveTo.getY() < looks.getLocation().getY()) {
				looks.getLocation().add(0f, -1.5f, 0f);
			}
			
			if(moveTo.getX() == looks.getLocation().getX() 
					&& moveTo.getY() == looks.getLocation().getY()) {
				moveTo = null;
			}
		}
	}

}