import { describe, it, expect, beforeEach } from 'vitest';
import { resetDb } from '../helpers/db.js';
import { migrateUp } from '../../lib/db/migrate.js';
import * as links from '../../lib/db/repos/links.js';

beforeEach(async () => { await resetDb(); await migrateUp(); });

describe('links repo', () => {
  it('create + listFrom + listTo + remove', async () => {
    const a = '11111111-1111-1111-1111-111111111111';
    const b = '22222222-2222-2222-2222-222222222222';
    const link = await links.create('project', a, 'page', b, 'mentions');
    expect(link.relation).toBe('mentions');
    expect(await links.listFrom('project', a)).toHaveLength(1);
    expect(await links.listTo('page', b)).toHaveLength(1);
    await links.remove(link.id);
    expect(await links.listFrom('project', a)).toHaveLength(0);
  });

  it('idempotent on the unique tuple', async () => {
    const a = '11111111-1111-1111-1111-111111111111';
    const b = '22222222-2222-2222-2222-222222222222';
    const l1 = await links.create('project', a, 'page', b, 'mentions');
    const l2 = await links.create('project', a, 'page', b, 'mentions');
    expect(l2.id).toBe(l1.id);
  });
});