package nl.tudelft.goal.unreal.util;
   
   import nl.tudelft.goal.unreal.messages.Key;
   import cz.cuni.amis.pogamut.base.agent.IAgentId;
   
   public class EnvironmentUtil {
   
   	/**
   	 * Simplifies a given string representation of an AgentID by removing the
  	 * UUID making it human readable.
  	 * 
  	 * By the specs of the agentID this should still result in a unique but
  	 * readable ID.
  	 * 
  	 * @param iAgentId
  	 * @return the agentID without the UUID.
  	 */
  	public static String simplefyID(IAgentId agentID) {
  		String token = agentID.getToken();
  		int index = token.lastIndexOf('/');
  		// If the expected separator could not be found, use the whole string.
  		if (index < 0) {
  			return token;
  		}
  
  		return token.substring(0, index);
  	}
  
  	/**
  	 * Returns a comma separated string of enum constants. When the enum
  	 * implements the {@link Key} interface the human readable version will be
  	 * used.
  	 * 
  	 * @param type
  	 * @return
  	 */
  	public static <E extends Enum<E>> String listValid(Class<E> type) {
  
  		String ret = "";
  
  		E[] keys = type.getEnumConstants();
  		for (int i = 0; i < keys.length; i++) {
  
  			if (keys[i] instanceof Key) {
  				ret += ((Key) keys[i]).getKey();
  			} else {
  				ret += keys[i].name().toLowerCase();
  			}
  
  			if (i < keys.length - 1)
  				ret += ", ";
  		}
  		return ret;
  	}
  
  }