package vooga.games.jumper.rules;

import com.golden.gamedev.object.Sprite;
import com.golden.gamedev.object.SpriteGroup;

import vooga.engine.level.Rule;
import vooga.engine.resource.Resources;

/**
 * Make sure the doodle doesn't fall out of the screen from below
 * 
 * @author Brian
 */
public class Floor implements Rule {

	private int FLOOR_HEIGHT = Resources.getInt("gameHeight")
			- Resources.getInt("distanceFromFloorToBottom");
	
	/** set type SpriteGroup to be enforced by this rule.
	 * @param any number of type SpriteGroup
	 */

	@Override
	public void enforce(SpriteGroup... groups) {
		for (SpriteGroup group : groups) {
			adjustForFloor(group);
		}
	}

	/**
	 * Check to see if the rule is satisfied.
	 * @param any number of type SpriteGroup
	 * @return true if sprite from sprite group hits floor
	 */

	@Override
	public boolean isSatisfied(SpriteGroup... groups) {
		for (SpriteGroup group : groups) {
			for (Sprite s : group.getSprites()) {
				if (s != null && s.getY() > FLOOR_HEIGHT) {
					return true;
				}
			}
		}
		return false;
	}
	
	/**
	 * Sets the SpriteGroup Y-value to the floor Y-value
	 * 
	 * @param type SpriteGroup
	 * 
	 */

	private void adjustForFloor(SpriteGroup group) {
		for (Sprite s : group.getSprites()) {
			if (s != null)
				s.setY(FLOOR_HEIGHT);
		}

	}

}