import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as smartfeed from '../ts/index.js';

let testSmartFeed: smartfeed.Smartfeed;

tap.test('setup', async () => {
  testSmartFeed = new smartfeed.Smartfeed();
});

tap.test('should parse RSS feed from string', async () => {
  const feed = testSmartFeed.createFeed({
    domain: 'example.com',
    title: 'Example Feed',
    category: 'Test',
    company: 'Test Inc',
    companyDomain: 'https://example.com',
    companyEmail: 'test@example.com',
    description: 'Test description',
  });

  feed.addItem({
    title: 'Test Article',
    authorName: 'John Doe',
    imageUrl: 'https://example.com/image.png',
    timestamp: Date.now(),
    url: 'https://example.com/article/test',
    content: 'Test content',
  });

  const rssFeed = feed.exportRssFeedString();
  const parsedFeed = await testSmartFeed.parseFeedFromString(rssFeed);

  expect(parsedFeed.title).toEqual('Example Feed');
  expect(parsedFeed.description).toEqual('Test description');
  expect(parsedFeed.items).toBeArray();
  expect(parsedFeed.items.length).toEqual(1);
  expect(parsedFeed.items[0].title).toEqual('Test Article');
});

tap.test('should parse Atom feed from string', async () => {
  const feed = testSmartFeed.createFeed({
    domain: 'example.com',
    title: 'Atom Test Feed',
    category: 'Test',
    company: 'Test Inc',
    companyDomain: 'https://example.com',
    companyEmail: 'test@example.com',
    description: 'Atom test description',
  });

  feed.addItem({
    title: 'Atom Article',
    authorName: 'Jane Doe',
    imageUrl: 'https://example.com/atom-image.png',
    timestamp: Date.now(),
    url: 'https://example.com/article/atom-test',
    content: 'Atom content',
  });

  const atomFeed = feed.exportAtomFeed();
  const parsedFeed = await testSmartFeed.parseFeedFromString(atomFeed);

  expect(parsedFeed.title).toEqual('Atom Test Feed');
  expect(parsedFeed.items).toBeArray();
  expect(parsedFeed.items.length).toEqual(1);
  expect(parsedFeed.items[0].title).toEqual('Atom Article');
});

tap.test('should parse feed with multiple items', async () => {
  const feed = testSmartFeed.createFeed({
    domain: 'example.com',
    title: 'Multi-item Feed',
    category: 'Test',
    company: 'Test Inc',
    companyDomain: 'https://example.com',
    companyEmail: 'test@example.com',
    description: 'Feed with multiple items',
  });

  const itemCount = 10;
  for (let i = 1; i <= itemCount; i++) {
    feed.addItem({
      title: `Article ${i}`,
      authorName: `Author ${i}`,
      imageUrl: `https://example.com/image${i}.png`,
      timestamp: Date.now() + i,
      url: `https://example.com/article/${i}`,
      content: `Content ${i}`,
    });
  }

  const rssFeed = feed.exportRssFeedString();
  const parsedFeed = await testSmartFeed.parseFeedFromString(rssFeed);

  expect(parsedFeed.items.length).toEqual(itemCount);
  expect(parsedFeed.items[0].title).toEqual('Article 1');
  expect(parsedFeed.items[9].title).toEqual('Article 10');
});

tap.test('should parse live RSS feed from URL', async () => {
  try {
    const parsedFeed = await testSmartFeed.parseFeedFromUrl(
      'https://www.theverge.com/rss/index.xml'
    );

    expect(parsedFeed).toBeObject();
    expect(parsedFeed.title).toBeString();
    expect(parsedFeed.items).toBeArray();
    expect(parsedFeed.items.length).toBeGreaterThan(0);
  } catch (error) {
    // Network errors are acceptable in tests
    console.log('Network test skipped (expected in CI/offline):', error.message);
  }
});

tap.test('should preserve feed metadata when parsing', async () => {
  const feed = testSmartFeed.createFeed({
    domain: 'meta.example.com',
    title: 'Metadata Test Feed',
    category: 'Metadata',
    company: 'Metadata Inc',
    companyDomain: 'https://meta.example.com',
    companyEmail: 'meta@example.com',
    description: 'Testing metadata preservation',
  });

  feed.addItem({
    title: 'Meta Article',
    authorName: 'Meta Author',
    imageUrl: 'https://example.com/meta.png',
    timestamp: Date.now(),
    url: 'https://example.com/meta',
    content: 'Meta content',
  });

  const rssFeed = feed.exportRssFeedString();
  const parsedFeed = await testSmartFeed.parseFeedFromString(rssFeed);

  expect(parsedFeed.title).toEqual('Metadata Test Feed');
  expect(parsedFeed.description).toEqual('Testing metadata preservation');
  expect(parsedFeed.language).toEqual('en');
  expect(parsedFeed.generator).toEqual('@push.rocks/smartfeed');
  expect(parsedFeed.copyright).toInclude('Metadata Inc');
});

tap.test('should handle feed with enclosures', async () => {
  const feed = testSmartFeed.createFeed({
    domain: 'example.com',
    title: 'Enclosure Test',
    category: 'Test',
    company: 'Test Inc',
    companyDomain: 'https://example.com',
    companyEmail: 'test@example.com',
    description: 'Testing enclosures',
  });

  feed.addItem({
    title: 'Article with image',
    authorName: 'Author',
    imageUrl: 'https://example.com/large-image.jpg',
    timestamp: Date.now(),
    url: 'https://example.com/article',
    content: 'Content with enclosure',
  });

  const rssFeed = feed.exportRssFeedString();
  const parsedFeed = await testSmartFeed.parseFeedFromString(rssFeed);

  // Enclosure support depends on the parser and feed format
  expect(parsedFeed.items.length).toBeGreaterThan(0);
  expect(parsedFeed.items[0].title).toEqual('Article with image');

  // If enclosure exists, verify it
  if (parsedFeed.items[0].enclosure) {
    expect(parsedFeed.items[0].enclosure.url).toInclude('https://example.com/large-image.jpg');
  }
});

export default tap.start();