import { describe, expect, it } from 'vitest';
import { isUrl, resolveSource } from './source';

describe('isUrl', () => {
  it('returns true for http URLs', () => {
    expect(isUrl('http://example.com')).toBe(true);
  });

  it('returns true for https URLs', () => {
    expect(isUrl('https://example.com/doc.pdf')).toBe(true);
  });

  it('returns false for file paths', () => {
    expect(isUrl('/path/to/file.pdf')).toBe(false);
    expect(isUrl('./relative.pdf')).toBe(false);
  });
});

describe('resolveSource', () => {
  it('passes URLs through unchanged', () => {
    expect(resolveSource('https://example.com/doc.pdf', '/home/user')).toBe(
      'https://example.com/doc.pdf',
    );
    expect(resolveSource('http://localhost:8080/file.html', '/home/user')).toBe(
      'http://localhost:8080/file.html',
    );
  });

  it('resolves relative paths against cwd', () => {
    expect(resolveSource('./doc.pdf', '/home/user')).toBe('/home/user/doc.pdf');
    expect(resolveSource('../doc.pdf', '/home/user/dir')).toBe('/home/user/doc.pdf');
  });

  it('passes absolute paths unchanged', () => {
    expect(resolveSource('/absolute/path.pdf', '/home/user')).toBe('/absolute/path.pdf');
  });
});