const { caps, feed } = require('../src/torznab');

describe('caps()', () => {
  let result;
  beforeAll(() => { result = caps(); });

  it('returns a string', () => expect(typeof result).toBe('string'));
  it('starts with XML declaration', () => expect(result).toMatch(/^<\?xml/));
  it('contains caps element', () => expect(result).toContain('<caps>'));
  it('advertises tv-search', () => expect(result).toContain('tv-search'));
  it('advertises movie-search', () => expect(result).toContain('movie-search'));
  it('has Movies category id 2000', () => expect(result).toContain('id="2000"'));
  it('has TV category id 5000', () => expect(result).toContain('id="5000"'));
  it('marks registration as not available', () => expect(result).toContain('available="no"'));
});

describe('feed()', () => {
  const baseUrl = 'http://localhost:3001';

  it('returns valid XML with no items', () => {
    const result = feed([], baseUrl);
    expect(result).toMatch(/^<\?xml/);
    expect(result).toContain('<channel>');
    expect(result).not.toContain('<item>');
  });

  it('includes item title', () => {
    const result = feed([{ name: 'Show.S01E01.mkv', ident: 'abc', size: 1000, votes: 5 }], baseUrl);
    expect(result).toContain('<title>Show.S01E01.mkv</title>');
  });

  it('includes correct download URL in enclosure', () => {
    const result = feed([{ name: 'f.mkv', ident: 'xyz789', size: 500, votes: 0 }], baseUrl);
    expect(result).toContain(`${baseUrl}/download/xyz789`);
  });

  it('includes file size in enclosure', () => {
    const result = feed([{ name: 'f.mkv', ident: 'id1', size: 123456, votes: 0 }], baseUrl);
    expect(result).toContain('length="123456"');
  });

  it('escapes & in title', () => {
    const result = feed([{ name: 'Tom & Jerry.mkv', ident: 'id', size: 0, votes: 0 }], baseUrl);
    expect(result).toContain('Tom &amp; Jerry.mkv');
    expect(result).not.toContain('Tom & Jerry');
  });

  it('escapes < and > in name', () => {
    const result = feed([{ name: '<bad>.mkv', ident: 'id', size: 0, votes: 0 }], baseUrl);
    expect(result).toContain('&lt;bad&gt;.mkv');
  });

  it('escapes " in name', () => {
    const result = feed([{ name: '"quoted".mkv', ident: 'id', size: 0, votes: 0 }], baseUrl);
    expect(result).toContain('&quot;quoted&quot;.mkv');
  });

  it('includes torznab:attr for category 5040', () => {
    const result = feed([{ name: 'f.mkv', ident: 'id', size: 0, votes: 0 }], baseUrl);
    expect(result).toContain('name="category" value="5040"');
  });

  it('handles multiple items', () => {
    const items = [
      { name: 'ep1.mkv', ident: 'a', size: 100, votes: 1 },
      { name: 'ep2.mkv', ident: 'b', size: 200, votes: 2 },
    ];
    const result = feed(items, baseUrl);
    expect(result).toContain('ep1.mkv');
    expect(result).toContain('ep2.mkv');
    expect((result.match(/<item>/g) || []).length).toBe(2);
  });
});