import { describe, it, expect } from 'vitest';
import { compareVersions, fetchLatestKuttRelease, createLink } from '../../lib/links/kutt.js';

describe('kutt helpers', () => {
  it('compareVersions flags an available update (tolerates v-prefix)', () => {
    expect(compareVersions('v3.2.5', 'v3.2.6')).toEqual({ running: 'v3.2.5', latest: 'v3.2.6', updateAvailable: true });
    expect(compareVersions('3.2.6', 'v3.2.6')).toMatchObject({ updateAvailable: false });
  });

  it('fetchLatestKuttRelease returns tag + url from the GitHub API (injected fetch)', async () => {
    const fakeFetch = async () => ({ ok: true, json: async () => ({ tag_name: 'v3.2.6', html_url: 'https://x/releases/v3.2.6' }) });
    expect(await fetchLatestKuttRelease({ fetch: fakeFetch })).toEqual({ latest: 'v3.2.6', url: 'https://x/releases/v3.2.6' });
  });

  it('createLink POSTs to the Kutt API with the key and returns the short link', async () => {
    let seen;
    const fakeFetch = async (url, opts) => { seen = { url, opts }; return { ok: true, json: async () => ({ link: 'https://link.hynesy.com/abc', address: 'abc' }) }; };
    const r = await createLink({ target: 'https://example.com' }, { base: 'http://10.0.0.1:3000', key: 'K', fetch: fakeFetch });
    expect(seen.url).toBe('http://10.0.0.1:3000/api/v2/links');
    expect(seen.opts.headers['X-API-KEY']).toBe('K');
    expect(r.link).toBe('https://link.hynesy.com/abc');
  });
});