import http from 'k6/http';
import { check, sleep } from 'k6';

/**
 * ST-BOT-03 — Storm de eventos sobre un job existente.
 *
 *   k6 run -e DOWNLOAD_JOB_ID=<id> -e PROFILE=shared8g k6_bot_events.js
 */
const PROFILE = __ENV.PROFILE || 'shared8g';
const BASE_URL = __ENV.BASE_URL || 'http://127.0.0.1:8189';
const TOKEN = __ENV.BOT_API_TOKEN || 'dev-token-change-me';
const JOB_ID = __ENV.DOWNLOAD_JOB_ID || '';

const profiles = {
  shared8g: {
    stages: [
      { duration: '15s', target: 5 },
      { duration: '45s', target: 12 },
      { duration: '15s', target: 0 },
    ],
  },
  lab: {
    stages: [
      { duration: '20s', target: 10 },
      { duration: '1m', target: 40 },
      { duration: '20s', target: 0 },
    ],
  },
};

const cfg = profiles[PROFILE] || profiles.shared8g;

export const options = {
  stages: cfg.stages,
  thresholds: {
    http_req_failed: ['rate<0.02'],
    http_req_duration: ['p(95)<1000'],
  },
  tags: { profile: PROFILE },
};

export default function () {
  if (!JOB_ID) {
    throw new Error('Defina DOWNLOAD_JOB_ID con un job existente');
  }
  const idx = __ITER + 1;
  const payload = JSON.stringify({
    event_type: 'progress',
    message: `k6 event ${idx}`,
    index: idx,
    total: 5000,
    radicado: `R-${idx}`,
    nit: '900123456',
    metadata: { source: 'k6', profile: PROFILE },
  });
  const res = http.post(`${BASE_URL}/bot-descarga/jobs/${JOB_ID}/events`, payload, {
    headers: {
      Authorization: `Bearer ${TOKEN}`,
      'Content-Type': 'application/json',
    },
  });
  check(res, {
    'event accepted': (r) => r.status === 200,
  });
  sleep(PROFILE === 'shared8g' ? 0.15 : 0.05);
}