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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.sdc.frontend.ci.tests.execute.setup;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.LoggerContext;
import com.aventstack.extentreports.ExtentTest;
import com.aventstack.extentreports.Status;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Arrays;
import java.util.UUID;

import net.lightbody.bmp.core.har.Har;
import org.json.simple.JSONObject;
import org.onap.sdc.backend.ci.tests.config.UserCredentialsFromFile;
import org.onap.sdc.frontend.ci.tests.datatypes.DataTestIdEnum;
import org.onap.sdc.frontend.ci.tests.datatypes.UserCredentials;
import org.onap.sdc.frontend.ci.tests.execute.sanity.OnboardingFlowsUi;
import org.onap.sdc.frontend.ci.tests.pages.HomePage;
import org.onap.sdc.frontend.ci.tests.utilities.FileHandling;
import org.onap.sdc.frontend.ci.tests.utilities.GeneralUIUtils;
import org.onap.sdc.frontend.ci.tests.utilities.RestCDUtils;
import org.onap.sdc.backend.ci.tests.utils.rest.AutomationUtils;
import org.openecomp.sdc.be.model.User;
import org.onap.sdc.backend.ci.tests.datatypes.enums.UserRoleEnum;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.ITestContext;
import org.testng.ITestResult;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.AfterSuite;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeSuite;
import org.testng.annotations.Optional;
import org.testng.annotations.Parameters;
import org.testng.annotations.Test;

public abstract class SetupCDTest extends DriverFactory {

    private static final Logger LOGGER = LoggerFactory.getLogger(SetupCDTest.class);

    private static final String RE_RUN = "<html><font color=\"red\">ReRun - </font></html>";
    private static final String WEB_SEAL_PASSWORD = "123123a";
    protected static final String HEAT_FILE_YAML_NAME_PREFIX = "Heat-File";
    protected static final String HEAT_FILE_YAML_NAME_SUFFIX = ".yaml";
    private static final int BASIC_SLEEP_DURATION = 1000;

    /**************** CONSTANTS ****************/
    private static final String CREDENTIALS_FILE = "credentials.yaml";

    private static final String REPORT_FILE_NAME = "SDC_UI_Extent_Report.html";
    private static final String REPORT_FOLDER = "target" + File.separator + "ExtentReport" + File.separator + "UI" + File.separator;
    private static final String SCREENSHOT_FOLDER = REPORT_FOLDER + "screenshots" + File.separator;
    private static final String HAR_FILES_FOLDER_NAME = "har_files";
    private static final String HAR_FILES_FOLDER = REPORT_FOLDER + HAR_FILES_FOLDER_NAME + File.separator;

    private static final String SHORT_CSV_REPORT_FILE_NAME = "ShortReport.csv";

    private static final int NUM_OF_ATTEMPTS_TO_REFTRESH = 2;

    /**************** PRIVATES ****************/
    private static String url;

    private static boolean uiSimulator;
    private static boolean localEnv = true;
    private static OnboardCSVReport csvReport;
    private final UserCredentialsFromFile credentialsIns = UserCredentialsFromFile.getInstance();
    private static ITestContext myContext;

    public SetupCDTest() {
        LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
        lc.getLogger("org.apache").setLevel(Level.INFO);
    }

    public static ExtentTest getExtendTest() {
        return ExtentTestManager.getInstance().getTest();
    }

    public static WindowTest getWindowTest() {
        return WindowTestManager.getWindowMap();
    }

    private OnboardCSVReport getCsvReport() {
        return csvReport;
    }

    public static String getReportFolder() {
        return REPORT_FOLDER;
    }

    public static String getScreenshotFolder() {
        return SCREENSHOT_FOLDER;
    }

    private static String getHarFilesFolder() {
        return HAR_FILES_FOLDER;
    }

    protected UserRoleEnum getRole(){
        return UserRoleEnum.DESIGNER;
    }

    /**************** BEFORE ****************/
    @BeforeSuite(alwaysRun = true)
    public void setupBeforeSuite(ITestContext context) throws Exception {
        RestCDUtils.deleteOnDemand();
        myContext = context;
        setUrl();
        ExtentManager.initReporter(getReportFolder(), REPORT_FILE_NAME, context);
        csvReport = new OnboardCSVReport(getReportFolder(), SHORT_CSV_REPORT_FILE_NAME);
    }

    @BeforeMethod(alwaysRun = true)
    public void setBrowserBeforeTest(java.lang.reflect.Method method, ITestContext context) throws Exception {

        boolean emptyDataProvider = method.getAnnotation(Test.class).dataProvider().isEmpty();
        String className = method.getDeclaringClass().getName();
        if (emptyDataProvider && !className.contains("ToscaValidationTest")) {
            System.out.println("ExtentReport instance started from BeforeMethod...");
            String suiteName = ExtentManager.getSuiteName(context);
            if (suiteName.equals(ExtentManager.suiteNameXml.TESTNG_FAILED_XML_NAME.getValue())) {
                ExtentTestManager.getInstance().startTest(RE_RUN + method.getName());
            } else {
                ExtentTestManager.getInstance().startTest(method.getName());
            }

            ExtentTestManager.getInstance().assignCategory(this.getClass());
            setBrowserBeforeTest(getRole());
        } else {
            System.out.println("ExtentReport instance started from Test...");
        }

        if (getConfig().getCaptureTraffic()) {
            try {
                MobProxy.getPoxyServer().newHar(method.getName() + ".har");
            } catch (Throwable e) {
                e.printStackTrace();
            }
        }
    }

    /**************** AFTER ****************/
    @AfterMethod(alwaysRun = true)
    public void quitAfterTest(final ITestResult result, final ITestContext context) throws Exception {
        try {
            ReportAfterTestManager.report(result, context);
            GeneralUIUtils.closeErrorMessage();
        } finally {
            try {
                if (getConfig().getCaptureTraffic()) {
                    addTrafficFileToReport(result);
                }

                if (OnboardingFlowsUi.class.getName().equals(result.getInstanceName()) && result.getStatus() == ITestResult.FAILURE) {
                    final String msg = "Onboarding test failed, closing browser";
                    LOGGER.info(msg);
                    getExtendTest().log(Status.INFO, msg);
                    quitDriver();
                } else if (!getUser().getRole().toLowerCase().equals(UserRoleEnum.ADMIN.name().toLowerCase())) {
                    boolean navigateToHomePageSuccess = HomePage.navigateToHomePage();
                    if (!navigateToHomePageSuccess) {
                        final String msg = "Navigating to homepage failed, reopening driver";
                        LOGGER.info(msg);
                        getExtendTest().log(Status.INFO, msg);
                        quitDriver();
                    }
                }

            } catch (final Exception e) {
                LOGGER.error("An unexpected error has occurred", e);
                getExtendTest().log(Status.ERROR, "Exception:" + e.toString());
            }


            ExtentTestManager.getInstance().endTest();
            final String suiteName = ExtentManager.getSuiteName(context);
//			write result to csv file
            if ((!ExtentManager.suiteNameXml.TESTNG_FAILED_XML_NAME.getValue().equals(suiteName)) && (result.getStatus() == ITestResult.SKIP)) {
                addResultToCSV(result, context);
            }
            if (ExtentManager.suiteNameXml.TESTNG_FAILED_XML_NAME.getValue().equals(suiteName) && !(result.getStatus() == ITestResult.SUCCESS)) {
                addResultToCSV(result, context);
            }
            FileHandling.cleanCurrentDownloadDir();
        }

    }

    private void addResultToCSV(ITestResult result, ITestContext context) {
        ExtentTest test = getExtendTest();
        com.aventstack.extentreports.model.Test model = test.getModel();
        String name = model.getName();
        String status = model.getStatus().toString();
        getCsvReport().writeRow(result.getInstanceName(), name.replace(RE_RUN, ""), status);
    }

    private void generateReport4Jenkins(ITestContext context) {
        final String suiteName = ExtentManager.getSuiteName(context);
        final JSONObject obj = new JSONObject();
        final String success = Integer.toString(context.getPassedTests().size());
        final String failed = Integer.toString(context.getFailedTests().size());
        final String total = Integer.toString(context.getFailedTests().size() + context.getPassedTests().size());
        obj.put("projectName", "SDC-ONAP-UI-Automation-" + suiteName);
        obj.put("projectVersion", AutomationUtils.getOSVersion());
        obj.put("platform", "Linux");
        obj.put("total", total);
        obj.put("success", success);
        obj.put("failed", failed);

        try (FileWriter file = new FileWriter(getReportFolder() + "jenkinsResults.json")) {
            file.write(obj.toJSONString());
            file.flush();
        } catch (final IOException e) {
            LOGGER.debug("An error has occurred while writing 'jenkinsResults.json' file", e);
        }

        LOGGER.debug(obj.toJSONString());
    }


    @Parameters({"eraseAfterTests"})
    @AfterSuite(alwaysRun = true)
    public void afterSuite2(@Optional("true") String eraseAfterTestsReadValue) throws Exception {

        csvReport.closeFile();
        generateReport4Jenkins(myContext);

        if (Boolean.parseBoolean(eraseAfterTestsReadValue)) {
            RestCDUtils.deleteOnDemand();
        } else {
            System.out.println("Resources will not be deleted according to suite configuration ...");
        }

        if (getConfig().getUseBrowserMobProxy()) {
            MobProxy.getPoxyServer().stop();
        }
    }

    private static String setUrl() {
        url = getConfig().getUrl();
        uiSimulator = getConfig().isUiSimulator();
        if (url == null) {
            String message = "no URL found";
            System.out.println(message);
            Assert.fail(message);
        } else if (!url.contains("localhost") && !url.contains("192.168.33.10") && !url.contains("127.0.0.1") && !url.contains("192.168.50.5") && !uiSimulator) {
            localEnv = false;
        }
        return url;
    }


    private static void navigateToUrl(final String url) {
        try {
            LOGGER.info("Deleting cookies");
            deleteCookies();
            LOGGER.info("Navigating to URL : " + url);
            getDriver().navigate().to(url);
            GeneralUIUtils.waitForLoader();
            LOGGER.info("Zooming out");
            GeneralUIUtils.windowZoomOutUltimate();
        } catch (Exception e) {
            final String errorMsg = String.format("Could not navigate to '%s'", url);
            LOGGER.error(errorMsg, e);
            getExtendTest().log(Status.ERROR, errorMsg);
            Assert.fail(errorMsg);
        }
    }

    private static void deleteCookies() throws Exception {
        getDriver().manage().deleteAllCookies();
        Thread.sleep(BASIC_SLEEP_DURATION);

        int attempts = 0;
        final int max_attempts = 3;

        while (!getDriver().manage().getCookies().isEmpty() && attempts < max_attempts) {
            getExtendTest().log(Status.INFO, "Trying to delete cookies one more time - " + (attempts + 1) + "/" + max_attempts + "attempts");
            String deleteCookiesJS = "document.cookie.split(';').forEach(function(c) { document.cookie = c.replace(/^ +/, '').replace(/=.*/, '=;expires=' + new Date().toUTCString() + ';path=/'); });";
            ((JavascriptExecutor) getDriver()).executeScript(deleteCookiesJS);
            attempts++;

            if (attempts == max_attempts) {
                String msg = "Did not delete cookies, can't login as user " + WindowTestManager.getWindowMap().getUser().getRole();
                System.out.println(msg);
                getExtendTest().log(Status.ERROR, msg);
                Assert.fail(msg);
            }
        }
    }

    private void loginToSystem(UserRoleEnum role) throws Exception {
        final int gettingWebElementTimeOut = 30;
        UserCredentials credentials = new UserCredentials(role.getUserId(), role.getPassword(), role.getFirstName(), role.getLastName(), role.name());
        if (localEnv) {
            loginToSimulator(role);
        } else {
            sendUserAndPasswordKeys(credentials);
            WebElement submitButton = GeneralUIUtils.getWebElementBy(By.name("btnSubmit"), gettingWebElementTimeOut);
            submitButton.click();
            WebElement buttonOK = GeneralUIUtils.getWebElementBy(By.name("successOK"), gettingWebElementTimeOut);
            Assert.assertTrue(buttonOK.isDisplayed(), "OK button is not displayed.");
            buttonOK.click();
        }
        GeneralUIUtils.ultimateWait();
        getWindowTest().setUser(credentials);
    }

    private void goToHomePage(UserRoleEnum role) throws Exception {
        final int gettingButtonTimeOut = 10;
        try {
            getWindowTest().setRefreshAttempts(getWindowTest().getRefreshAttempts() == 0 ? NUM_OF_ATTEMPTS_TO_REFTRESH : getWindowTest().getRefreshAttempts());
            if (!role.equals(UserRoleEnum.ADMIN)) {

                WebElement closeButton = GeneralUIUtils.getClickableButtonBy(By.className("sdc-welcome-close"), gettingButtonTimeOut);
                if (closeButton != null) {
                    closeButton.click();
                }

                if (!GeneralUIUtils.isElementVisibleByTestId(DataTestIdEnum.MainMenuButtons.HOME_BUTTON.getValue())) {
                    restartBrowser(role);
                }
            }
        } catch (Exception e) {
            restartBrowser(role);
        }
    }

    private void restartBrowser(UserRoleEnum role) throws Exception {
        getWindowTest().setRefreshAttempts(getWindowTest().getRefreshAttempts() - 1);
        if (getWindowTest().getRefreshAttempts() <= 0) {
            System.out.println("ERR : Something is wrong with browser!");
            Assert.fail("ERR : Something is wrong with browser!");
        }
        System.out.println("Trying again...");
        getExtendTest().log(Status.INFO, "Trying again...");
        getExtendTest().log(Status.INFO, String.format("%s attempt(s) left", getWindowTest().getRefreshAttempts()));
        System.out.println(String.format("%s attempt(s) left", getWindowTest().getRefreshAttempts()));

        reloginWithNewRole(role);
    }

    private void loginToSimulator(UserRoleEnum role) {
        final int gettingWebElementTimeOut = 30;
        WebDriver driver = GeneralUIUtils.getDriver();
        WebDriverWait wait = new WebDriverWait(driver, gettingWebElementTimeOut);

        wait.until(ExpectedConditions.visibilityOf(driver.findElement(By.xpath("//*[@method='" + "post" + "']"))));

        WebElement userIdTextbox = GeneralUIUtils.getWebElementBy(By.name("userId"));
        userIdTextbox.sendKeys(role.getUserId());
        WebElement passwordTextbox = GeneralUIUtils.getWebElementBy(By.name("password"));
        passwordTextbox.sendKeys(WEB_SEAL_PASSWORD);

        wait.until(ExpectedConditions.elementToBeClickable(driver.findElement(By.xpath("//*[@value='" + "Login" + "']")))).click();
    }

    private void sendUserAndPasswordKeys(UserCredentials userId) {
        System.out.println("Login as user : " + userId.getUserId());
        WebElement userNameTextbox = GeneralUIUtils.getWebElementBy(By.name("userid"));
        userNameTextbox.sendKeys(userId.getUserId());
        WebElement passwordTextbox = GeneralUIUtils.getWebElementBy(By.name("password"));
        passwordTextbox.sendKeys(userId.getPassword());
    }

    private void loginWithUser(final UserRoleEnum role) {
        try {
            final String msg = String
                    .format("Login as user '%s', role '%s'", role.getUserId(), role.getUserRole());
            getExtendTest().log(Status.INFO, msg);
            LOGGER.info(msg);
            loginToSystem(role);
            LOGGER.debug("Going to home page");
            goToHomePage(role);
        } catch (final Exception e) {
            throw new RuntimeException(e);
        } finally {
            getWindowTest().setPreviousRole(getWindowTest().getUser().getRole());
        }
    }

    private void setUser(UserRoleEnum role) {
        User user = new User();
        user.setUserId(role.getUserId());
        user.setFirstName(role.getFirstName());
        user.setRole(role.name());
        user.setLastName(role.getLastName());

        getWindowTest().setUser(user);
    }

    public User getUser() {
        return getWindowTest().getUser();
    }

    private void setBrowserBeforeTest(final UserRoleEnum role) {
        LOGGER.info(String.format("Setup before test for role '%s'", role.name()));
        if (!getWindowTest().getPreviousRole().equalsIgnoreCase(role.name())) {
            LOGGER.info(String.format("Logging in with new role '%s'. Previous role was: '%s'.", role.name(),
                    getWindowTest().getPreviousRole()));
            navigateAndLogin(role);
        }
    }

    private void navigateAndLogin(final UserRoleEnum role) {
        getWindowTest().setRefreshAttempts(getWindowTest().getRefreshAttempts());
        setUser(role);
        navigateToUrl(url);
        loginWithUser(role);
        GeneralUIUtils.ultimateWait();
    }

    public User getUser(UserRoleEnum role) {
        User user = new User();
        user.setUserId(role.getUserId());
        user.setFirstName(role.getFirstName());
        user.setLastName(role.getLastName());
        user.setRole(role.name());
        return user;
    }

    protected void reloginWithNewRole(final UserRoleEnum role) {
        navigateAndLogin(role);
    }

    private void addTrafficFileToReport(ITestResult result) {
        try {
            // Get the HAR data
            Har har = MobProxy.getPoxyServer().getHar();
            String shortUUID = UUID.randomUUID().toString().split("-")[0];
            File harFile = new File(getHarFilesFolder() + result.getName() + shortUUID + ".har");
            new File(getHarFilesFolder()).mkdirs();

            har.writeTo(harFile);

            String pathToFileFromReportDirectory = HAR_FILES_FOLDER_NAME + File.separator + harFile.getName();
            ExtentTestActions.addFileToReportAsLink(harFile, pathToFileFromReportDirectory, "File with captured traffic");
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }

    /*
     * * Start section of test in ExtentReport with DataProvider parameters,
     * should be started from test method, see example in onboardVNFTest
     */
    public void setLog(String fromDataProvider) {

        String suiteName = ExtentManager.getSuiteName(myContext);
        if (ExtentManager.suiteNameXml.TESTNG_FAILED_XML_NAME.getValue().equals(suiteName)) {
            ExtentTestManager.getInstance().startTest(RE_RUN + Thread.currentThread().getStackTrace()[2].getMethodName() + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" + fromDataProvider);
        } else {
            ExtentTestManager.getInstance().startTest(Thread.currentThread().getStackTrace()[2].getMethodName() + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" + fromDataProvider);
        }


        getWindowTest().setAddedValueFromDataProvider(fromDataProvider);
        ExtentTestManager.getInstance().assignCategory(this.getClass());
        setBrowserBeforeTest(getRole());
    }
}