/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.keycloak.testsuite.federation.storage.ldap;

import java.util.Map;

import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.FixMethodOrder;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.RuleChain;
import org.junit.rules.TestRule;
import org.junit.runners.MethodSorters;
import org.keycloak.common.util.MultivaluedHashMap;
import org.keycloak.component.ComponentModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.LDAPConstants;
import org.keycloak.models.RealmModel;
import org.keycloak.models.UserModel;
import org.keycloak.services.managers.RealmManager;
import org.keycloak.storage.UserStorageProvider;
import org.keycloak.storage.UserStorageProviderModel;
import org.keycloak.storage.ldap.LDAPStorageProvider;
import org.keycloak.storage.ldap.LDAPStorageProviderFactory;
import org.keycloak.storage.ldap.idm.model.LDAPObject;
import org.keycloak.testsuite.OAuthClient;
import org.keycloak.testsuite.pages.AccountPasswordPage;
import org.keycloak.testsuite.pages.AccountUpdateProfilePage;
import org.keycloak.testsuite.pages.AppPage;
import org.keycloak.testsuite.pages.LoginPage;
import org.keycloak.testsuite.pages.LoginPasswordUpdatePage;
import org.keycloak.testsuite.pages.RegisterPage;
import org.keycloak.testsuite.rule.KeycloakRule;
import org.keycloak.testsuite.rule.LDAPRule;
import org.keycloak.testsuite.rule.WebResource;
import org.keycloak.testsuite.rule.WebRule;
import org.openqa.selenium.WebDriver;

/**
 * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
 */
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class LDAPMSADMapperTest {

    // Run this test just on MSAD
    private static LDAPRule ldapRule = new LDAPRule((Map<String, String> ldapConfig) -> {

        String vendor = ldapConfig.get(LDAPConstants.VENDOR);

        // TODO: This is skipped as it requires that MSAD server is set to not allow weak passwords (There needs to be pwdProperties=1 set on MSAD side).
        // TODO: Currently we can't rely on it. See KEYCLOAK-4276
        return true;
        // return !(vendor.equals(LDAPConstants.VENDOR_ACTIVE_DIRECTORY));

    });


    private static ComponentModel ldapModel = null;


    private static KeycloakRule keycloakRule = new KeycloakRule(new KeycloakRule.KeycloakSetup() {

        @Override
        public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
            LDAPTestUtils.addLocalUser(manager.getSession(), appRealm, "marykeycloak", "mary@test.com", "password-app");

            MultivaluedHashMap<String,String> ldapConfig = LDAPTestUtils.getLdapRuleConfig(ldapRule);
            ldapConfig.putSingle(LDAPConstants.SYNC_REGISTRATIONS, "true");
            ldapConfig.putSingle(LDAPConstants.EDIT_MODE, UserStorageProvider.EditMode.WRITABLE.toString());
            UserStorageProviderModel model = new UserStorageProviderModel();
            model.setLastSync(0);
            model.setChangedSyncPeriod(-1);
            model.setFullSyncPeriod(-1);
            model.setName("test-ldap");
            model.setPriority(0);
            model.setProviderId(LDAPStorageProviderFactory.PROVIDER_NAME);
            model.setConfig(ldapConfig);

            ldapModel = appRealm.addComponentModel(model);
            LDAPTestUtils.addZipCodeLDAPMapper(appRealm, ldapModel);

            // Delete all LDAP users and add some new for testing
            LDAPStorageProvider ldapFedProvider = LDAPTestUtils.getLdapProvider(session, ldapModel);
            LDAPTestUtils.removeAllLDAPUsers(ldapFedProvider, appRealm);

            LDAPObject john = LDAPTestUtils.addLDAPUser(ldapFedProvider, appRealm, "johnkeycloak", "John", "Doe", "john@email.org", null, "1234");
            LDAPTestUtils.updateLDAPPassword(ldapFedProvider, john, "Password1");

            appRealm.getClientByClientId("test-app").setDirectAccessGrantsEnabled(true);
        }
    });

    @ClassRule
    public static TestRule chain = RuleChain
            .outerRule(ldapRule)
            .around(keycloakRule);

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

    @WebResource
    protected OAuthClient oauth;

    @WebResource
    protected WebDriver driver;

    @WebResource
    protected AppPage appPage;

    @WebResource
    protected RegisterPage registerPage;

    @WebResource
    protected LoginPage loginPage;

    @WebResource
    protected AccountUpdateProfilePage profilePage;

    @WebResource
    protected AccountPasswordPage changePasswordPage;

    @WebResource
    protected LoginPasswordUpdatePage passwordUpdatePage;


    @Test
    public void test01RegisterUserWithWeakPasswordFirst() {
        loginPage.open();
        loginPage.clickRegister();
        registerPage.assertCurrent();

        // Weak password. This will fail to update password to MSAD due to password policy.
        registerPage.register("firstName", "lastName", "email2@check.cz", "registerUserSuccess2", "password", "password");

        // Another weak password
        passwordUpdatePage.assertCurrent();
        passwordUpdatePage.changePassword("pass", "pass");
        Assert.assertEquals("Invalid password: new password doesn't match password policies.", passwordUpdatePage.getError());

        // Strong password. Successfully update password and being redirected to the app
        passwordUpdatePage.changePassword("Password1", "Password1");
        Assert.assertEquals(AppPage.RequestType.AUTH_RESPONSE, appPage.getRequestType());

        KeycloakSession session = keycloakRule.startSession();
        try {
            RealmModel appRealm = session.realms().getRealmByName("test");
            UserModel user = session.users().getUserByUsername("registerUserSuccess2", appRealm);
            Assert.assertNotNull(user);
            Assert.assertNotNull(user.getFederationLink());
            Assert.assertEquals(user.getFederationLink(), ldapModel.getId());
            Assert.assertEquals("registerusersuccess2", user.getUsername());
            Assert.assertEquals("firstName", user.getFirstName());
            Assert.assertEquals("lastName", user.getLastName());
            Assert.assertTrue(user.isEnabled());
            Assert.assertEquals(0, user.getRequiredActions().size());
        } finally {
            keycloakRule.stopSession(session, false);
        }
    }
}