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

// AI-Ops 下钻性能压测脚本
// 目标：验证下钻加载 < 3s，并发 20 用户

export const options = {
  stages: [
    { duration: '30s', target: 20 },
    { duration: '2m', target: 20 },
    { duration: '30s', target: 0 },
  ],
  thresholds: {
    http_req_duration: ['p(95)<3000'], // P95 < 3s
    http_req_failed: ['rate<0.01'],    // 失败率 < 1%
  },
};

export default function () {
  const service = `service_${Math.floor(Math.random() * 10)}`;
  const url = `http://localhost:8080/api/v1/ai-ops/metrics/drilldown?service=${service}&window=5m`;
  const res = http.get(url, {
    headers: { 'Authorization': 'Bearer ${__ENV.AI_OPS_TOKEN}' },
  });

  check(res, {
    'status is 200': (r) => r.status === 200,
    'response time < 3s': (r) => r.timings.duration < 3000,
  });

  sleep(2);
}