package nl.tudelft.goal.ut2004.visualizer.util;
   
   import java.rmi.RemoteException;
   import java.util.ArrayList;
   import java.util.Collection;
   
   import nl.tudelft.goal.ut2004.visualizer.connection.EnvironmentService;
   
   public class SelectableEnvironment {
  
  	private final EnvironmentService environment;
  
  	public SelectableEnvironment(EnvironmentService environment) {
  		this.environment = environment;
  	}
  
  	public EnvironmentService getItem() {
  		return environment;
  	}
  	
  	/**
  	 * 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 id
  	 * @return the agentID without the UUID.
  	 */
  	private String simplefyID(String id) {
  		//TODO: Duplicate code as in Unreal Environment
  		int index = id.lastIndexOf('/');
  		// If the expected separator could not be found, use the whole string.
  		if (index < 0) {
  			index = id.length();
  			//log.severe("Could not find UUID seperator in Agent ID: " + id);
  		}
  		return id.substring(0, index);
  	}
  	
  	@Override
  	public String toString() {
  		try {
  			return simplefyID(environment.getAgentId().getToken());
  		} catch (RemoteException e) {
  			return "Unconnected Environment";
  		}
  	}
  
  	public static Collection<SelectableEnvironment> fromCollection(
  			Collection<? extends EnvironmentService> environments) {
  
  		Collection<SelectableEnvironment> ret = new ArrayList<SelectableEnvironment>(
  				environments.size());
  
  		for (EnvironmentService env : environments) {
  			ret.add(new SelectableEnvironment(env));
  		}
  
  		return ret;
  	}
  
  }