// @ts-nocheck
import http from 'k6/http';
import { check, sleep } from 'k6';
import { Rate, Trend } from 'k6/metrics';

const errorRate = new Rate('errors');
const responseTime = new Trend('response_time');

export const options = {
  stages: [
    { duration: '5m', target: 50 },   // 5分钟逐步增加到50用户
    { duration: '60m', target: 50 },  // 保持50用户60分钟（稳定性测试）
    { duration: '5m', target: 0 },    // 5分钟逐步减少到0
  ],
  thresholds: {
    http_req_duration: ['p(95)<1000', 'p(99)<2000'],  // 长时间运行允许稍高延迟
    http_req_failed: ['rate<0.01'],
    errors: ['rate<0.01'],
  },
};

const BASE_URL = __ENV.BASE_URL || 'http://localhost:3000';

// 页面列表用于循环测试
const pages = [
  '/',
  '/about',
  '/products',
  '/products/erp',
  '/solutions',
  '/solutions/industry-001',
  '/services',
  '/services/consulting',
  '/cases',
  '/news',
  '/contact',
  '/team',
];

export default function () {
  // 按迭代次数轮询页面，确保所有页面都被覆盖
  const page = pages[__ITER % pages.length];
  const res = http.get(`${BASE_URL}${page}`, {
    tags: { name: `page-${page.replace(/\//g, '_')}` },
  });

  const success = check(res, {
    'status is 200': (r) => r.status === 200,
    'response time < 1000ms': (r) => r.timings.duration < 1000,
  });

  errorRate.add(!success);
  responseTime.add(res.timings.duration);

  sleep(3);  // 较长的等待时间，模拟真实用户浏览行为
}

export function handleSummary(data) {
  return {
    'performance/soak-test-summary.json': JSON.stringify(data, null, 2),
  };
}