/* 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;
/**
 * Activates the plugin for the given user 
 *
 * @author The Web Raveler Development Squad
 * @version 1.0
 */
public class ActivatePluginVURL implements VURL {
	
	String pluginName;
	
	/**
	 * Constructs an ActivatePluginVURL for the given plugin
	 *
	 * @param pluginName a String containing the name of the plugin to be activated    
	 */
	public ActivatePluginVURL (String pluginName) {
		this.pluginName = pluginName;
	} // ActivatePluginVURL()
	
	/**
	 * Adds the plugin to the user's active plugins and updates the status of the plugin.    
	 * Returns a response indicating whether or not the activation was successful
	 */
	public HTTPResponse resolveVURL(String username, String query, HTTPRequest request, Raveler ravel) {
		String responseString = new String("");
		responseString += "<html><head>"+Raveler.ravelerCSS;
		/* Get the RavelerUser for the given username */
		RavelerUser user = new RavelerUser();
		try {
			user = ravel.getUser(username);
			/* Add the plugin the user's set of active plugins */
			user.addActivePlugin(pluginName);
			/* Set the status of the plugin to active */
			user.setStatus(pluginName,"active");
			responseString += "<title>" + pluginName + " Activated </title></head>\n";
			responseString += "<body><p class='level1'>Web Raveler Configuration for " + username + "</p>\n";
			responseString += "<p class='message'>" + pluginName + " was successfully activated</p>\n";
			responseString += "<br><br><a href='http://perm.webraveler2.config.userconfig/saveconfig/'>Save Configuration</a>\n";		
		} catch (RavelerException re) {
			responseString += "<title>Error Activating Plugin</title></head>\n";
			responseString += "<body><p class='level1'>Web Raveler Configuration for " + username + "</p>\n";
			responseString += "<p class='message'>" + re.getMessage() + "</p>\n";
		} //catch
		responseString += "</body></html>\n";
		return new HTTPResponse("HTTP/1.0",200,"OK",responseString.getBytes(),new Hashtable());
	} // resolveVURL

} // class ActivatePluginVURL