import { test, expect } from '@playwright/test';
import translations from '../client/i18n/locales/english/translations.json';
import { availableLangs, hiddenLangs, LangNames } from '../shared/config/i18n';
import links from '../client/i18n/locales/english/links.json';

const headerComponentElements = {
  skipContent: 'header-skip-content',
  examNav: 'header-exam-nav',
  examNavLogo: 'header-exam-nav-microsoft-logo',
  universalNav: 'header-universal-nav',
  universalNavLogo: 'header-universal-nav-logo',
  toggleLangButton: 'header-toggle-lang-button',
  languageList: 'header-lang-list',
  languageButton: 'header-lang-list-option',
  menuButton: 'header-menu-button',
  menu: 'header-menu',
  signInButton: 'header-sign-in-button'
} as const;

const examUrl =
  '/learn/foundational-c-sharp-with-microsoft/foundational-c-sharp-with-microsoft-certification-exam/foundational-c-sharp-with-microsoft-certification-exam';

test.use({ storageState: 'playwright/.auth/certified-user.json' });

test.beforeEach(async ({ page }) => {
  await page.goto('/');
});

test('Has link for skip content', async ({ page }) => {
  const skipContent = page.getByTestId(headerComponentElements.skipContent);
  await expect(skipContent).toBeVisible();
  await expect(skipContent).toHaveAttribute('href', '#content-start');
});

test('Renders universal nav by default', async ({ page }) => {
  const universalNavigation = page.getByTestId(
    headerComponentElements.universalNav
  );
  const universalNavigationLogo = page.getByTestId(
    headerComponentElements.universalNavLogo
  );
  await expect(universalNavigation).toBeVisible();
  await expect(universalNavigationLogo).toBeVisible();
  await expect(universalNavigationLogo).toHaveAttribute('href', '/learn');
});

test('Renders exam nav for Foundational C# with Microsoft exam', async ({
  page
}) => {
  await page.goto(examUrl);
  await page
    .getByRole('button', {
      name: translations.buttons['click-start-exam']
    })
    .click();
  await expect(page).toHaveURL(examUrl);
  await expect(page.getByTestId(headerComponentElements.examNav)).toBeVisible();
  await expect(
    page.getByTestId(headerComponentElements.examNavLogo)
  ).toBeVisible();
});

test('Should display search in header on desktop and in menu on mobile', async ({
  page,
  isMobile
}) => {
  const searchInput = page.getByLabel(translations.search.label);
  const menuButton = page.getByTestId(headerComponentElements.menuButton);

  if (isMobile) {
    await expect(searchInput).toBeHidden();
    await menuButton.click();
    await expect(searchInput).toBeVisible();
  } else {
    await expect(searchInput).toBeVisible();
  }
});

test('Clicking the "Change Language" button should open the language list', async ({
  page
}) => {
  const toggleLangButton = page.getByTestId(
    headerComponentElements.toggleLangButton
  );
  await expect(toggleLangButton).toBeVisible();
  await toggleLangButton.click();
  const langList = page.getByTestId(headerComponentElements.languageList);
  await expect(langList).toBeVisible();
});

test('The language list should contain a button for each available language', async ({
  page
}) => {
  const locales = availableLangs.client.filter(
    lang => !hiddenLangs.includes(lang)
  );

  const toggleLangButton = page.getByTestId(
    headerComponentElements.toggleLangButton
  );
  await expect(toggleLangButton).toBeVisible();
  await toggleLangButton.click();
  const langList = page.getByTestId(headerComponentElements.languageList);
  await expect(langList).toBeVisible();

  const langButtons = page.getByTestId(headerComponentElements.languageButton);
  await expect(langButtons).toHaveCount(locales.length);

  for (let i = 0; i < locales.length; i++) {
    const btn = langButtons.nth(i);
    await expect(btn).toContainText(LangNames[locales[i]]);
  }
});

test('Clicking the menu button should open the menu', async ({ page }) => {
  const menuButton = page.getByTestId(headerComponentElements.menuButton);
  const menu = page.getByTestId(headerComponentElements.menu);
  await expect(menuButton).toBeVisible();
  await menuButton.click();
  await expect(menu).toBeVisible();
});

test('The menu should contain links to: donate, curriculum, forum, news, radio, and contribute', async ({
  page
}) => {
  const menuButton = page.getByTestId(headerComponentElements.menuButton);
  const menu = page.getByTestId(headerComponentElements.menu);
  await expect(menuButton).toBeVisible();
  await menuButton.click();
  await expect(menu).toBeVisible();

  const menuLinks = [
    {
      name: translations.buttons.donate,
      href: '/donate'
    },
    {
      name: translations.buttons.curriculum,
      href: '/learn'
    },
    {
      name: translations.buttons.forum,
      href: links.nav.forum
    },
    {
      name: translations.buttons.news,
      href: links.nav.news
    },
    {
      name: translations.buttons.radio,
      href: process.env.RADIO_LOCATION || 'https://coderadio.freecodecamp.org'
    },
    {
      name: translations.buttons.contribute,
      href: links.nav.contribute
    }
  ];

  for (const menuLink of menuLinks) {
    const link = menu.getByRole('link', { name: menuLink.name });
    await expect(link).toBeVisible();
    await expect(link).toHaveAttribute('href', menuLink.href);
  }
});

test('The Sign In button should redirect to api/signin', async ({
  browser
}) => {
  // Sign out user in order to test Sign In button
  const context = await browser.newContext({
    storageState: { cookies: [], origins: [] }
  });
  const page = await context.newPage();
  await page.goto('/');

  const signInButton = page.getByRole('link', {
    name: translations.buttons['sign-in']
  });

  const apiLocation = process.env.API_LOCATION || 'http://localhost:3000';

  await expect(signInButton).toHaveAttribute('href', `${apiLocation}/signin`);
});