import { describe, expect, it } from 'vitest';
import { normalizeHttpUrl } from '../floating-link-editor';

describe('normalizeHttpUrl', () => {
  it('defaults bare web addresses and host ports to HTTPS', () => {
    expect(normalizeHttpUrl('google.com')).toBe('https://google.com/');
    expect(normalizeHttpUrl('xkcd')).toBe('https://xkcd/');
    expect(normalizeHttpUrl(' example.com/docs ')).toBe(
      'https://example.com/docs',
    );
    expect(normalizeHttpUrl('localhost:5173')).toBe('https://localhost:5173/');
  });

  it('preserves explicit HTTP and HTTPS addresses', () => {
    expect(normalizeHttpUrl('http://example.com')).toBe('http://example.com/');
    expect(normalizeHttpUrl('https://example.com/path')).toBe(
      'https://example.com/path',
    );
    expect(normalizeHttpUrl('https://example.com/search?q=test#results')).toBe(
      'https://example.com/search?q=test#results',
    );
    expect(normalizeHttpUrl('github.com/project/readme.md')).toBe(
      'https://github.com/project/readme.md',
    );
  });

  it('preserves relative Markdown file paths', () => {
    expect(normalizeHttpUrl('note.md')).toBe('note.md');
    expect(normalizeHttpUrl('./notes/note.md')).toBe('./notes/note.md');
    expect(normalizeHttpUrl('../note.markdown')).toBe('../note.markdown');
    expect(normalizeHttpUrl('/notes/note.md')).toBe('/notes/note.md');
    expect(normalizeHttpUrl('./folder.bundle/note.md')).toBe(
      './folder.bundle/note.md',
    );
    expect(normalizeHttpUrl('note.md#heading')).toBe('note.md#heading');
    expect(normalizeHttpUrl('#current-heading')).toBe('#current-heading');
  });

  it('rejects empty, malformed, and non-HTTP schemes', () => {
    expect(normalizeHttpUrl('')).toBeUndefined();
    expect(normalizeHttpUrl('google com')).toBeUndefined();
    expect(normalizeHttpUrl('google%20com')).toBeUndefined();
    expect(normalizeHttpUrl('javascript:alert(1)')).toBeUndefined();
    expect(normalizeHttpUrl('mailto:user@example.com')).toBeUndefined();
    expect(normalizeHttpUrl('note.md#')).toBeUndefined();
  });
});