import { markdownHtmlAgent } from '../src/services/markdownHtmlAgent';

describe('markdownHtmlAgent basic functionality', () => {
  it('should convert simple markdown to HTML with title and content', async () => {
    const markdown = `# Section 1\n\nThis is **bold** and *italic* text.`;
    const html = await markdownHtmlAgent({
      title: 'Document Title',
      markdown,
      date: '2020-01-01',
    });
    // Should include the cover page title
    expect(html).toContain('<h1>Document Title</h1>');
    // The first markdown title is treated as cover page and removed; content should include paragraph
    expect(html).toContain('<p>This is <strong>bold</strong> and <em>italic</em> text.</p>');
    expect(html).toContain('<strong>bold</strong>');
    expect(html).toContain('<em>italic</em>');
    // Should include the date on cover page
    expect(html).toContain('2020-01-01');
  });
  it('should generate a table of contents for multiple headings', async () => {
    // Need at least 5 headings total (including cover title) for TOC generation
    const markdownTOC = `# Main\n## First Section\n### Subsection A\n## Second Section\n## Third Section\n\nParagraph content.`;
    const htmlTOC = await markdownHtmlAgent({ title: 'Doc', markdown: markdownTOC });
    // TOC should appear after cover page
    expect(htmlTOC).toContain('<nav class="toc">');
    // Verify all headings present in TOC
    expect(htmlTOC).toMatch(/<a href="#first-section">First Section<\/a>/);
    expect(htmlTOC).toMatch(/<a href="#subsection-a">Subsection A<\/a>/);
    expect(htmlTOC).toMatch(/<a href="#second-section">Second Section<\/a>/);
    expect(htmlTOC).toMatch(/<a href="#third-section">Third Section<\/a>/);
  });
  it('should highlight fenced code blocks', async () => {
    const markdownCode = '# Title\n\n```js\nconst x = 42;\n```\n';
    const htmlCode = await markdownHtmlAgent({ title: 'Doc', markdown: markdownCode });
    expect(htmlCode).toContain('<pre class="hljs"><code>');
    // Code content may be wrapped in span tags by highlight.js; verify number
    // Verify that the code snippet is included (keyword const present)
    expect(htmlCode).toContain('const');
  });
  it('should include dark mode CSS rules', async () => {
    const html = await markdownHtmlAgent({ title: 'Doc', markdown: '' });
    expect(html).toContain('@media (prefers-color-scheme: dark)');
    expect(html).toContain('--card-bg: #1e1e1e');
  });
});