package webraveler.plugin;

import java.util.*;

import webraveler.html.HTMLPage2;
import webraveler.http.HTTPRequest;
import webraveler.http.HTTPResponse;
import webraveler.ravel.PluginAPI;
import webraveler.ravel.Raveler;
import webraveler.ravel.RavelerUser;
import webraveler.vurl.GenericVURL;

/**
 * A quick demo of a quest with an accompanying quiz.
 *
 * @author Samuel A. Rebelsky
 * @version 1.0 of June 2005
 */

public class QuestQuizPlugin
  extends webraveler.ravel.RavelerPlugin {

// +--------+------------------------------------------------------------
// | Fields |
// +--------+

// +--------------+------------------------------------------------------
// | Constructors |
// +--------------+

	public QuestQuizPlugin() {
		name = "QuestQuizPlugin";
		mimeTypes.add("text/html");
	} // QuestQuizPlugin


// +---------+-----------------------------------------------------------
// | Methods |
// +---------+

	public void setDefaultAttributes()
	{
		if (this.attributes == null)
			this.attributes = new Hashtable();
		this.attributes.put("status","foo");
	} // setDefaultAttributes

	public boolean initialize() 
	{
		if (this.attributes == null)
			this.attributes = new Hashtable();
		String submitVURL = PluginAPI.addPermanentVirtualURL(
			ravel,
			name,
			"submit",
			new GenericVURL() {
				public HTTPResponse resolveVURL(String username, String query, HTTPRequest request, Raveler ravel)
				{
					System.out.println("QuickQuiz: Received " + query);
					try {
						RavelerUser user = ravel.getUser(username);
						int count = Integer.parseInt(user.getAttribute(name,"quizstatus"));
						count = count + 1;
						user.modifyAttribute(name,"quizstatus",""+count);
						System.out.println("QuickQuiz: Submit succeeded");
					}
					catch (Exception e)
					{ 
						System.out.println("QuickQuiz: Submit failure: " + e.toString());
					}
					webraveler.samr.SendMail.send("rebelsky@grinnell.edu", username + " submitted URL " + query, query);
					System.out.println("User submitted: " + query);
					return standardPage("<html><head><title>Submitted</title></head><body><p>Your URL was submitted.  <a href='" + query + "' target='_top'>Return to the page</a> and reload.</p></body></html>");
				} // resolveVURL(String, String, HTTPRequest, ravel)
			} // new GenericVURL()
		);
		this.attributes.put("submit",submitVURL);

		String resetVURL = PluginAPI.addPermanentVirtualURL(
			ravel,
			name,
			"reset",
			new GenericVURL() {
				public HTTPResponse resolveVURL(String username, String query, HTTPRequest request, Raveler ravel)
				{
					try {
						RavelerUser user = ravel.getUser(username);
						user.modifyAttribute(name,"quizstatus","0");
						System.out.println("Reset quiz");
					}
					catch (Exception e)
					{
						System.out.println("Failed to eset quiz because " + e.toString());
					}
					return standardPage("<html><head><title>Submitted</title></head><body><p>Your quiz has been reset.  <a href='" + query + "' target='_top'>Return to the page</a> and reload.</p></body></html>");
				} // resolveVURL(String, String, HTTPRequest, ravel)
			} // new GenericVURL()
		);
		this.attributes.put("reset",resetVURL);

		return true;
	}// initialize()
	
	public HTTPRequest execute (HTTPRequest request, Hashtable attributes, String userName) {
		System.out.println("QuestQuiz: Processing request");
		String status = (String) attributes.get("quizstatus");
		if (status == null) {
			System.out.println("QuestQuiz: No status.  Setting it.");
			status = "0";
			attributes.put("quizstatus", status);
		}
		System.out.println("QuestQuiz: Finished processing request");
		return request;
	}//execute()
	
	
	public HTTPResponse execute (HTTPResponse response, Hashtable userAttributes, String userName){
		System.out.println("QuestQuiz: Processing response");

		String status = (String) userAttributes.get("quizstatus");
		String alpha = "<table width='100%' style='background: yellow;'><tr><td>"
			+ "QuestQuiz: Your goal is to find something related to <b>Curtis Bonk</b>.<br>"
			+ "Status: " + status + " pages submitted."
			+ " [<a href='" + this.attributes.get("submit") + "!" +  response.uriString + "' target='_top'>Submit this page</a>]"
			+ " [<a href='" + this.attributes.get("reset") + "!" + response.uriString + "' target='_top'>Reset</a>]"
			+ "<br>"
			;
		String omega = "</td></tr></table>";
		String body = "";

		if (status.equals("0")) {
			body = "You need to submit at least one page.  Please keep looking.<br>";
		} // if (status.equals("0")
		else {
			body = "You have submitted a page.  Feel free to submit more." ;
		} // if (!status.equals("0"));

		response.getHtmlPage().insertAtTop(alpha + body + omega);
		
		response.correctContentLength();
		
		System.out.println("QuestQuiz: DONE");
		return response;
	} //execute(HTTPResponse)
	
	
	public  void terminate() {
		
	} // terminate()


// +-----------------+---------------------------------------------------
// | Private Methods |
// +-----------------+
	
	
}// QuestQuizPlugin