/* this belongs to the WebRaveler package */
package webraveler.vurl;

import java.util.*;


import webraveler.http.HTTPRequest;
import webraveler.http.HTTPResponse;
import webraveler.ravel.Raveler;
import webraveler.ravel.RavelerException;
import webraveler.ravel.RavelerUser;
/**
 * Turns Web Raveler off.
 *
 * @author The Web Raveler Development Squad
 * @version 1.0
 */
public class OffVURL implements VURL {
	
	/**
	 *
	 */
   	public OffVURL () {

	}// OffVURL()                                                
	
	/**
	 * Turns WR off, generates a pop up window informing the user
         * of the status of Web Raveler and instructions for turning Web Raveler
         * back on, and in the original page, displays a link to the unraveled page
	 */
	public HTTPResponse resolveVURL(String username, String query, HTTPRequest request, Raveler ravel) {
		System.out.println("OffVURL: query = "+query);
		String response= new String ("");
		response += "<html><head>";
		response += "<SCRIPT LANGUAGE= \"JavaScript\">";
		response += "\n" ;
		response += "function pop() { menuWindow = window.open(\"http://perm.webraveler2.config.userconfig/turnoff/message/\",\"ravel\", \"resizable=no,location=yes,menubar=yes,width=300,height=300\");}";
		response += "pop()";
		response += "\n";
		response += "</SCRIPT> ";
		response += Raveler.ravelerCSS+"</head><body>";
		RavelerUser user = new RavelerUser();
		try {
			user = ravel.getUser(username);
			/* Change boolean on/off indicator to false */
			user.ravelOn = false;
			System.out.println("OffVURL: Raveler has been turned off for "+user.username);	
			response += "<p class='level1'>You may now continue browsing normally.</p>";
			response += "<p class='level3'>Click <a href='"+query+"' target=\"_top\">here</a> to return to your page.</p>";
		} catch (RavelerException re) {
			response += "<p class='level1'>"+re.getMessage()+"</p>";
		} //catch 
		response += "</body></html>";
		System.out.println("DONE");
		return new HTTPResponse("HTTP/1.0",200,"OK",response.getBytes(),new Hashtable());
	} // resolveVURL

} // class OffVURL