const {Builder, By} = require('selenium-webdriver');

const chrome = require('selenium-webdriver/chrome');

const assert = require("node:assert");

let opts = new chrome.Options();

opts.addArguments('--headless');

let startIndex = 0

let endIndex = 5

let pdfMagicNumber = 'JVBER'

let imgMagicNumber = 'iVBOR'

let base64Code

describe('Interactions - Windows', function () {

let driver;

before(async function () {

driver = await new Builder().forBrowser('chrome').setChromeOptions(opts).build();

});

after(async () => await driver.quit());

it('Should be able to print page to pdf', async function () {

await driver.get('https://www.selenium.dev/selenium/web/alerts.html');

let base64 = await driver.printPage({pageRanges: ["1-2"]});

// page can be saved as a PDF as below

// await fs.writeFileSync('./test.pdf', base64, 'base64');

base64Code = base64.slice(startIndex, endIndex)

assert.strictEqual(base64Code, pdfMagicNumber)

});

it('Should be able to get text using executeScript', async function () {

await driver.get('https://www.selenium.dev/selenium/web/javascriptPage.html');

// Stores the header element

let header = await driver.findElement(By.css('h1'));

// Executing JavaScript to capture innerText of header element

let text = await driver.executeScript('return arguments[0].innerText', header);

assert.strictEqual(text, `Type Stuff`)

});

it('Should be able to take Element Screenshot', async function () {

await driver.get('https://www.selenium.dev/selenium/web/javascriptPage.html');

let header = await driver.findElement(By.css('h1'));

// Captures the element screenshot

let encodedString = await header.takeScreenshot(true);

// save screenshot as below

// await fs.writeFileSync('./image.png', encodedString, 'base64');

base64Code = encodedString.slice(startIndex, endIndex)

assert.strictEqual(base64Code, imgMagicNumber)

});

it('Should be able to takeScreenshot', async function () {

await driver.get('https://www.selenium.dev/selenium/web/javascriptPage.html');

// Captures the screenshot

let encodedString = await driver.takeScreenshot();

// save screenshot as below

// await fs.writeFileSync('./image.png', encodedString, 'base64');

base64Code = encodedString.slice(startIndex, endIndex)

assert.strictEqual(base64Code, imgMagicNumber)

});

});