/*
 * Copyright (c) 2013, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.jacc.test.mr8;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.naming.*;
import javax.ejb.EJB;
import javax.ejb.EJBs;
import java.net.URLEncoder;
import java.net.URLDecoder;
import java.security.Principal;

import javax.servlet.annotation.WebServlet;

@WebServlet(name = "Servlet", urlPatterns = {"/servlet","/authuser","/anyauthuser","/star","/denyuncoveredpost"})
public class Servlet extends HttpServlet {

	@EJB(beanName = "HelloEJB", beanInterface = Hello.class)
	private Hello helloStateless;

	@EJB(beanName = "HelloStatefulEJB", beanInterface = HelloStateful.class)
	private HelloStateful helloStateful;

	public void init(ServletConfig config) throws ServletException {
		super.init(config);
		System.out.println("In jaccmr8::Servlet... init()");
	}

	public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		resp.setContentType("text/html");
		PrintWriter out = resp.getWriter();

		String mode = req.getParameter("mode");
		if (mode == null) mode = "stateful";
		mode = URLDecoder.decode(mode,"UTF-8");
		String name = req.getParameter("name");
		if (name == null) name = "NotDeclared";
		name = URLDecoder.decode(name,"UTF-8");

		// EJB information
		String callerPrincipal = "NONE";
		boolean isInEJBRole = false;
		boolean isAnyAuthUserEJB = false;
		String invokeAnyAuthUser = "No";
		String invokeAuthUser = "No";
		if ("stateful".equals(mode)) {
			System.out.println("Invoking Stateful EJB");
			callerPrincipal = helloStateful.hello(name);
			isAnyAuthUserEJB = helloStateful.inRole("**");
			isInEJBRole = helloStateful.inRole(name);
			try {
				helloStateful.methodAnyAuthUser();
				invokeAnyAuthUser = "Yes";
			}
			catch (Exception exc) {
				System.out.println("FAILED invoke of methodAnyAuthUser()");
				invokeAnyAuthUser = exc.toString();
			}
			try {
				helloStateful.methodAuthUser();
				invokeAuthUser = "Yes";
			}
			catch (Exception exc) {
				System.out.println("FAILED invoke of methodAuthUser()");
				invokeAuthUser = exc.toString();
			}
			System.out.println("Successfully invoked Stateful EJB");
		} else if ("stateless".equals(mode)) {
			System.out.println("Invoking Stateless EJB");
			callerPrincipal = helloStateless.hello(name);
			isAnyAuthUserEJB = helloStateless.inRole("**");
			isInEJBRole = helloStateless.inRole(name);
			try {
				helloStateless.methodAnyAuthUser();
				invokeAnyAuthUser = "Yes";
			}
			catch (Exception exc) {
				System.out.println("FAILED invoke of methodAnyAuthUser()");
				invokeAnyAuthUser = exc.toString();
			}
			try {
				helloStateless.methodAuthUser();
				invokeAuthUser = "Yes";
			}
			catch (Exception exc) {
				System.out.println("FAILED invoke of methodAuthUser()");
				invokeAuthUser = exc.toString();
			}
			System.out.println("Successfully invoked Stateless EJB");
		} else {
			System.out.println("Mode: " + mode);
		}

		// Servlet information
		String principalName = "NONE";
		String principalType = "UNKNOWN";
		Principal p = req.getUserPrincipal();
		if (p != null) {
			principalName = p.getName();
			principalType = p.getClass().getName();
		}
		String userPrincipal = principalName + " is " + principalType; 
		boolean isAnyAuthUserWeb = req.isUserInRole("**");
		boolean isInWebRole = req.isUserInRole(name);

		out.println("<HTML> <HEAD> <TITLE>Servlet Output</TITLE> </HEAD> <BODY>");
		out.println("<CENTER>JACC MR8 Servlet</CENTER> <p> ");
		out.println(" Request URL: " + req.getRequestURL() + "<br>");
		out.println(" HTTP Method: " + req.getMethod() + "<br>");
		out.println("Context Path: " + req.getContextPath() + "<br>");
		out.println("Servlet Path: " + req.getServletPath() + "<br>");
		out.println("<br> <CENTER>Results</CENTER> <p> ");
		out.println("EJB Caller Principal: " + callerPrincipal + "<br>");
		out.println("EJB isCallerInRole: " + isInEJBRole + "<br>");
		out.println("EJB isUserInAnyAuthUserRole: " + isAnyAuthUserEJB + "<br>");
		out.println("EJB Invoke AnyAuthUser: " + invokeAnyAuthUser + "<br>");
		out.println("EJB Invoke AuthUser: " + invokeAuthUser + "<br>");
		out.println("WEB User Principal: " + userPrincipal + "<br>");
		out.println("WEB isUserInRole: " + isInWebRole + "<br>");
		out.println("WEB isUserInAnyAuthUserRole: " + isAnyAuthUserWeb + "<br>");
		out.println("</BODY> </HTML> ");
	}

	public void destroy() {
		System.out.println("In jaccmr8::Servlet destroy");
	}
}