package mug12;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import rebelsky.io.Pen;
import java.util.Comparator;

/**
 * A really simple World for testing the MUG.
 *
 * @author Angeline Namai
 * @author Kyle Gonnerman
 * @author Michael Claveria
 * @version 1.0 of November 2004
 */

public class StubWorld
	implements WorldInterface
{
	/**
	 * The broadcaster that we call when we want to broadcast a message.
	 */
	Broadcaster b;
	
// +----------------+------------------------------------------
// | Public Methods |
// +----------------+

	/**
	* Find all the people in a room
	*/
	public String[] listPeople(String room)
	{
		return new String[] { "angeline", "eryn", "samr" };
	} // listPeople(String)
	
	/**
	 * Record that an interaction has happened.  Return a comment on the
	 * results of the action.
	 *
	 * @exception
	 *   If the action is invalid or the object is invalid or ...
	 */
	public String perform(Action tim)
		throws InvalidVerbException, InvalidTargetException
	{
		double d = Math.random();
		double e = Math.random();
		if (e < 0.2) {
			b.broadcast("Alice eats the mushroom.", null);
			b.broadcast("Alice says 'Ooh!  I seem to be getting smaller'.", null);
			b.broadcast("Grace Slick starts to sing a song.", null);
		}
		if (d < 0.5)
			return "Done.";
		else if (d < 0.75)
			throw new InvalidVerbException();
		else
			throw new InvalidTargetException();
	} // perform(Action)

// World needs to implement getLocation, listContents, printStuffInRoom, describeThing. 
// Our implementations are just stubs for testing.

	public String getLocation(String username)
	{
		 return "Haines";
	} // getLocation(String)
	
	public String[] listContents(String room)
	{
		 return new String[] {"computers", "beer", "beds", "pizza"};
	} // listContents(String)
	
			
	public String describe(String thing)
	{
		 return "Damn ugly!";
	}
	
	public void specifyBroadcaster(Broadcaster _b)
	{
		this.b = _b;
	} // specifyBroadcaster(Broadcaster)
	
} // class ReadAndParse