const { chromium } = require('playwright');
const fs = require('fs');
const path = require('path');
const dotenv = require('dotenv');
const speakeasy = require('speakeasy');

// Lade .env-Variablen
dotenv.config();

const {
  USERNAME,
  PASSWORD,
  TESTNAME,
  TOTP_SECRET,
  LOGIN_URL = 'about:privatebrowsing',
  LOGOUT_URL = 'about:privatebrowsing',
  SUCCESS_TEXT = ""
} = process.env;

const nodemailer = require('nodemailer');

async function sendFailureMail(subject, text, attachments) {
  const transporter = nodemailer.createTransport({
    host: process.env.SMTP_HOST,
    port: parseInt(process.env.SMTP_PORT, 10),
    secure: false, // kein TLS
    tls: {
      rejectUnauthorized: false
    }
  });

  await transporter.sendMail({
    from: process.env.MAIL_FROM,
    to: process.env.MAIL_TO,
    subject,
    text,
    attachments
  });
}

if (!USERNAME || !PASSWORD || !TOTP_SECRET) {
  console.error('❌ Bitte .env mit USERNAME, PASSWORD und TOTP_SECRET konfigurieren');
  process.exit(2);
}

(async () => {
  const resultDir = '/app/test-results';
  const timestamp = new Date().toISOString().replace(/[:.]/g, '-');

  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext({});
  const page = await context.newPage();

 console.log('${TESTNAME}: 1 Login aufrufen');

  try {
    await page.goto(LOGIN_URL);
    await page.setViewportSize({ width: 1920, height: 937 });

    // Click on <span> "Login with UVEK-Portal (e..."
    await Promise.all([
      page.click('span:nth-child(2)'),
      page.waitForNavigation()
    ]);

    await page.screenshot({ path: `/app/test-results/eiamselect-${timestamp}.png`, fullPage: true });

    await Promise.all([
      page.click('#social-eIAM'),
      page.waitForNavigation()
    ]);



    console.log('✅ Login eiam user eintragen');

    await page.click('#isiwebuserid');
    await page.fill('#isiwebuserid', USERNAME);

    await page.screenshot({ path: `/app/test-results/userid-${timestamp}.png`, fullPage: true });

    await Promise.all([
//      page.click('text=Continue'),
      page.press('#isiwebuserid', 'Enter'),
      page.waitForNavigation()
    ]);

    console.log('✅ Login eiam pw eintragen');

    await page.click('#isiwebpasswd');
    await page.fill('#isiwebpasswd', PASSWORD);

    await page.screenshot({ path: `/app/test-results/pw-${timestamp}.png`, fullPage: true });

    await Promise.all([
//      page.click('text=Login'),
      page.press('#isiwebpasswd', 'Enter'),
      page.waitForNavigation()
    ]);

    console.log('✅ Login eiam TOTP generieren');


    const totp = speakeasy.totp({
      secret: TOTP_SECRET,
      encoding: 'base32'
    });



    console.log('✅ Login eiam TOTP ${totp}');

    console.log('✅ Login eiam TOTP eintragen');


    await page.fill('#code2FA', totp);

    await page.screenshot({ path: `/app/test-results/totp-${timestamp}.png`, fullPage: true });

    await Promise.all([
//      page.click('text=Continue'),
      page.press('#code2FA', 'Enter'),
      page.waitForNavigation()
    ]);

    console.log('✅ WhoAmI Webseite warten');
    
    await page.waitForSelector(`text=${SUCCESS_TEXT}`, { timeout: 10000 });
   
    await page.screenshot({ path: `/app/test-results/result-${timestamp}.png`, fullPage: true });
 
    console.log(`🔎 Suche nach Benutzername: ${SUCCESS_TEXT}`);
    const pageText = await page.textContent('body');

    fs.writeFileSync(path.join(resultDir, `final-${timestamp}.html`), await page.content());
    fs.writeFileSync(path.join(resultDir, `final-${timestamp}.txt`), pageText);

    if (pageText.includes(SUCCESS_TEXT)) {
      console.log('✅ Login erfolgreich – Benutzername sichtbar');
    } else {
      console.error('❌ Benutzername nicht gefunden – Login möglicherweise fehlerhaft');
      await page.screenshot({ path: path.join(resultDir, `username-missing_${timestamp}.png`) });
      fs.writeFileSync(path.join(resultDir, `page-username-missing_${timestamp}.html`), await page.content());
      process.exit(1);
    }

    console.log('✅ Login erfolgreich - username sichtbar');

    console.log('✅ Logout');

    await page.goto(LOGOUT_URL);

    await Promise.all([
      page.click('#kc-logout'),
      page.waitForNavigation()
    ]);

    console.log('✅ Logout erfolgreich');

    await page.screenshot({ path: `/app/test-results/logout-${timestamp}.png`, fullPage: true });

    await browser.close();




  } catch (err) {
    console.error('❌ Fehler beim Login:', err.message);

    const screenshotPath = path.join(resultDir, `error_${timestamp}.png`);
    const htmlPath = path.join(resultDir, `page_${timestamp}.html`);
    const textPath = path.join(resultDir, `page-${timestamp}.txt`);

    await page.screenshot({ path: screenshotPath });
    const pageText = await page.textContent('body');
    fs.writeFileSync(htmlPath, await page.content());
    fs.writeFileSync(textPath, pageText);

    const captchaDetected = await page.evaluate(() => {
      return document.body.innerText.toLowerCase().includes('captcha') ||
             document.querySelector('input[name="captcha"]') !== null ||
             document.querySelector('.g-recaptcha') !== null;
    });

    await sendFailureMail(
        '❌ OIDC Login Monitoring fehlgeschlagen',
        `Fehler beim Login:\n\n${err.message}\n\nZeitpunkt: ${timestamp}`,
        [
          { filename: 'error.png', path: screenshotPath },
          { filename: 'page.html', path: htmlPath },
          { filename: 'page.txt', path: textPath }
        ]
      );

    if (captchaDetected) {
      console.error('🚫 Captcha erkannt – Test wird abgebrochen');

      const captchaPath = path.join(resultDir, `captcha_${timestamp}.png`);
      const htmlPath = path.join(resultDir, `captcha_${timestamp}.html`);
      const textPath = path.join(resultDir, `captcha_${timestamp}.txt`);

      await page.screenshot({ path: captchaPath });
      fs.writeFileSync(htmlPath, await page.content());
      fs.writeFileSync(textPath, await page.evaluate(() => document.body.innerText));

      process.exit(3); // spezieller Exit-Code für Captcha
    }


    process.exit(1);
  } finally {
    await browser.close();
  }
})();