import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { resetDb } from '../../helpers/db.js';
import { migrateUp } from '../../../lib/db/migrate.js';
import { stopBoss, waitForJob } from '../../helpers/boss.js';
import { pool } from '../../../lib/db/pool.js';
import * as queue from '../../../lib/jobs/queue.js';
import { registerWorkers } from '../../../lib/jobs/index.js';
import * as spaces from '../../../lib/db/repos/spaces.js';
import * as pages from '../../../lib/db/repos/pages.js';

beforeEach(async () => {
  await resetDb(); await migrateUp(); await queue.start(); await registerWorkers();
  global.fetch = vi.fn(async () => new Response(
    JSON.stringify({ embedding: new Array(768).fill(0.42) }),
    { status: 200, headers: { 'content-type': 'application/json' }}
  ));
});
afterEach(async () => { await stopBoss(); vi.restoreAllMocks(); });

describe('embed.text worker', () => {
  it('writes a vector(1024) to the page row', async () => {
    const sp = await spaces.create({ slug: 'e', name: 'E' }, { kind: 'user', id: null });
    const pg = await pages.create(
      { space_id: sp.id, slug: 'p', title: 'P', body_md: 'body' },
      { kind: 'user', id: null }
    );
    const id = await queue.enqueue('embed.text', { entity_type: 'page', entity_id: pg.id });
    const j = await waitForJob('embed.text', id, { timeoutMs: 10_000 });
    expect(j.state).toBe('completed');
    const { rows: [row] } = await pool.query(
      'SELECT embedding::text AS embedding FROM pages WHERE id=$1', [pg.id]
    );
    expect(row.embedding).toBeTruthy();
    // 1024 floats → at least 1023 commas in the literal
    const commas = (row.embedding.match(/,/g) || []).length;
    expect(commas).toBe(1023);
  });

  it('emits an audit log entry', async () => {
    const sp = await spaces.create({ slug: 'e2', name: 'E2' }, { kind: 'user', id: null });
    const pg = await pages.create(
      { space_id: sp.id, slug: 'p', title: 'P', body_md: 'body' },
      { kind: 'user', id: null }
    );
    const id = await queue.enqueue('embed.text', { entity_type: 'page', entity_id: pg.id });
    await waitForJob('embed.text', id, { timeoutMs: 10_000 });
    const { rows } = await pool.query(
      `SELECT * FROM audit_log WHERE entity_type='page' AND entity_id=$1 AND actor_kind='worker'`,
      [pg.id]
    );
    expect(rows.length).toBeGreaterThan(0);
  });
});