/*
 * 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.oauth;

import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import org.keycloak.OAuth2Constants;
import org.keycloak.audit.Details;
import org.keycloak.audit.Event;
import org.keycloak.representations.AccessToken;
import org.keycloak.testsuite.AssertEvents;
import org.keycloak.testsuite.OAuthClient;
import org.keycloak.testsuite.pages.LoginPage;
import org.keycloak.testsuite.pages.OAuthGrantPage;
import org.keycloak.testsuite.rule.KeycloakRule;
import org.keycloak.testsuite.rule.WebResource;
import org.keycloak.testsuite.rule.WebRule;
import org.openqa.selenium.WebDriver;

import java.io.IOException;
import java.util.Map;

import static org.junit.Assert.assertEquals;

/**
 * @author <a href="mailto:vrockai@redhat.com">Viliam Rockai</a>
 */
public class OAuthGrantTest {

    @ClassRule
    public static KeycloakRule keycloakRule = new KeycloakRule();

    @Rule
    public AssertEvents events = new AssertEvents(keycloakRule);

    @Rule
    public WebRule webRule = new WebRule(this);

    @WebResource
    protected WebDriver driver;

    @WebResource
    protected OAuthClient oauth;

    @WebResource
    protected LoginPage loginPage;

    @WebResource
    protected OAuthGrantPage grantPage;

    private static String ROLE_USER = "Have User privileges";
    private static String ROLE_CUSTOMER = "Have Customer User privileges";

    @Test
    public void oauthGrantAcceptTest() throws IOException {
        oauth.clientId("third-party");
        oauth.doLoginGrant("test-user@localhost", "password");

        grantPage.assertCurrent();
        Assert.assertTrue(driver.getPageSource().contains(ROLE_USER));
        Assert.assertTrue(driver.getPageSource().contains(ROLE_CUSTOMER));

        grantPage.accept();

        Assert.assertTrue(oauth.getCurrentQuery().containsKey(OAuth2Constants.CODE));

        Event loginEvent = events.expectLogin().client("third-party").assertEvent();
        String codeId = loginEvent.getDetails().get(Details.CODE_ID);
        String sessionId = loginEvent.getSessionId();

        OAuthClient.AccessTokenResponse accessToken = oauth.doAccessTokenRequest(oauth.getCurrentQuery().get(OAuth2Constants.CODE), "password");

        String tokenString = accessToken.getAccessToken();
        Assert.assertNotNull(tokenString);
        AccessToken token = oauth.verifyToken(tokenString);
        assertEquals(sessionId, token.getSessionState());

        AccessToken.Access realmAccess = token.getRealmAccess();
        assertEquals(1, realmAccess.getRoles().size());
        Assert.assertTrue(realmAccess.isUserInRole("user"));

        Map<String,AccessToken.Access> resourceAccess = token.getResourceAccess();
        assertEquals(1, resourceAccess.size());
        assertEquals(1, resourceAccess.get("test-app").getRoles().size());
        Assert.assertTrue(resourceAccess.get("test-app").isUserInRole("customer-user"));

        events.expectCodeToToken(codeId, loginEvent.getSessionId()).client("third-party").assertEvent();
    }

    @Test
    public void oauthGrantCancelTest() throws IOException {
        oauth.clientId("third-party");
        oauth.doLoginGrant("test-user@localhost", "password");

        grantPage.assertCurrent();
        Assert.assertTrue(driver.getPageSource().contains(ROLE_USER));
        Assert.assertTrue(driver.getPageSource().contains(ROLE_CUSTOMER));

        grantPage.cancel();

        Assert.assertTrue(oauth.getCurrentQuery().containsKey(OAuth2Constants.ERROR));
        assertEquals("access_denied", oauth.getCurrentQuery().get(OAuth2Constants.ERROR));

        events.expectLogin().client("third-party").error("rejected_by_user").assertEvent();
    }

}
