package utilities;

import java.util.UUID;

/**
 * Class to enforce the game rule 
 * of generating unique names
 * 
 * @author Rukmal Fernando
 * @author Hardik Kotecha
 * @author Radhika Srinivasan
 */
public class NameGenerator 
{		
	private final static String _PLAYER_FLAG = "FKS";		//marker for derivatives created by this player
	//private final static String _PLAYER_FLAG = "MP";
	
	/**
	 * generate a new name and return the string
	 * 
	 * @return string
	 */
	public static String getNewName()
	{
		UUID newID = UUID.randomUUID();              		//generate a new UUID
		String uuidString = newID.toString();       	   	//convert the UUID to a String
		
		char oldChar = '-';                         	   	//the hyphen character is not legal in the class dictionary
		char newChar = '_';                         	   	//the hyphens are therefore replaced with an _.
		uuidString = uuidString.replace(oldChar, newChar);
			
		String retName = _PLAYER_FLAG.concat( uuidString );	//combine our branding and uuid
		
		return retName;                              	 	//return the resulting String
	}
		
}