/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.keycloak.testsuite;

import org.apache.catalina.startup.Tomcat;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.keycloak.KeycloakSecurityContext;
import org.keycloak.OAuth2Constants;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.protocol.oidc.OpenIDConnectService;
import org.keycloak.representations.idm.RealmRepresentation;
import org.keycloak.services.managers.RealmManager;
import org.keycloak.services.resources.admin.AdminRoot;
import org.keycloak.testsuite.pages.LoginPage;
import org.keycloak.testsuite.rule.AbstractKeycloakRule;
import org.keycloak.testsuite.rule.WebResource;
import org.keycloak.testsuite.rule.WebRule;
import org.keycloak.testutils.KeycloakServer;
import org.openqa.selenium.WebDriver;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.UriBuilder;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;
import java.security.Principal;
import java.util.Map;
import java.util.regex.Matcher;

/**
 * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
 */
public class Tomcat7Test {
    static String logoutUri = OpenIDConnectService.logoutUrl(UriBuilder.fromUri("http://localhost:8081/auth"))
            .queryParam(OAuth2Constants.REDIRECT_URI, "http://localhost:8080/customer-portal").build("demo").toString();

    @ClassRule
    public static AbstractKeycloakRule keycloakRule = new AbstractKeycloakRule() {
        @Override
        protected void configure(KeycloakSession session, RealmManager manager, RealmModel adminRealm) {
            RealmRepresentation representation = KeycloakServer.loadJson(getClass().getResourceAsStream("/tomcat-test/demorealm.json"), RealmRepresentation.class);
            RealmModel realm = manager.importRealm(representation);
       }
    };

    public static class SendUsernameServlet extends HttpServlet {
        @Override
        protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
            resp.setContentType("text/plain");
            OutputStream stream = resp.getOutputStream();
            Principal principal = req.getUserPrincipal();
            if (principal == null) {
                stream.write("null".getBytes());
                return;
            }
            String name = principal.getName();
            stream.write(name.getBytes());
            stream.write("\n".getBytes());
            KeycloakSecurityContext context = (KeycloakSecurityContext)req.getAttribute(KeycloakSecurityContext.class.getName());
            stream.write(context.getIdToken().getName().getBytes());
            stream.write("\n".getBytes());
            stream.write(logoutUri.getBytes());

        }
        @Override
        protected void doPost(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
            doGet(req, resp);
        }
    }

    static Tomcat tomcat = null;

    @BeforeClass
    public static void initTomcat() throws Exception {
        URL dir = Tomcat7Test.class.getResource("/tomcat-test/webapp/META-INF/context.xml");
        File webappDir = new File(dir.getFile()).getParentFile().getParentFile();
        tomcat = new Tomcat();
        String baseDir = getBaseDirectory();
        tomcat.setBaseDir(baseDir);
        tomcat.setPort(8080);

        tomcat.addWebapp("/customer-portal", webappDir.toString());
        System.out.println("configuring app with basedir: " + webappDir.toString());

        tomcat.start();
        //tomcat.getServer().await();
    }

    @AfterClass
    public static void shutdownTomcat() throws Exception {
        tomcat.stop();
        tomcat.destroy();
    }

    @Rule
    public WebRule webRule = new WebRule(this);
    @WebResource
    protected WebDriver driver;
    @WebResource
    protected LoginPage loginPage;

    public static final String LOGIN_URL = OpenIDConnectService.loginPageUrl(UriBuilder.fromUri("http://localhost:8081/auth")).build("demo").toString();
    @Test
    public void testLoginSSOAndLogout() throws Exception {
        driver.navigate().to("http://localhost:8080/customer-portal");
        System.out.println("Current url: " + driver.getCurrentUrl());
        Assert.assertTrue(driver.getCurrentUrl().startsWith(LOGIN_URL));
        loginPage.login("bburke@redhat.com", "password");
        System.out.println("Current url: " + driver.getCurrentUrl());
        Assert.assertEquals(driver.getCurrentUrl(), "http://localhost:8080/customer-portal");
        String pageSource = driver.getPageSource();
        System.out.println(pageSource);
        Assert.assertTrue(pageSource.contains("Bill Burke"));

        // test logout

        String logoutUri = OpenIDConnectService.logoutUrl(UriBuilder.fromUri("http://localhost:8081/auth"))
                .queryParam(OAuth2Constants.REDIRECT_URI, "http://localhost:8080/customer-portal").build("demo").toString();
        driver.navigate().to(logoutUri);
        Assert.assertTrue(driver.getCurrentUrl().startsWith(LOGIN_URL));
        driver.navigate().to("http://localhost:8080/customer-portal");
        String currentUrl = driver.getCurrentUrl();
        Assert.assertTrue(currentUrl.startsWith(LOGIN_URL));


    }

    @Test
    @Ignore
    public void runit() throws Exception {
        Thread.sleep(10000000);
    }


    private static String getBaseDirectory() {
        String dirPath = null;
        String relativeDirPath = "testsuite" + File.separator + "tomcat7" + File.separator + "target";

        if (System.getProperties().containsKey("maven.home")) {
            dirPath = System.getProperty("user.dir").replaceFirst("testsuite.tomcat7.*", Matcher.quoteReplacement(relativeDirPath));
        } else {
            for (String c : System.getProperty("java.class.path").split(File.pathSeparator)) {
                if (c.contains(File.separator + "testsuite" + File.separator + "tomcat7")) {
                    dirPath = c.replaceFirst("testsuite.tomcat7.*", Matcher.quoteReplacement(relativeDirPath));
                    break;
                }
            }
        }

        String absolutePath = new File(dirPath).getAbsolutePath();
        return absolutePath;
    }




}
