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

const BASE_URL = __ENV.BASE_URL || 'http://localhost:8080';

export let options = {
    scenarios: {
        baseline: {
            executor: 'constant-vus',
            vus: 10,
            duration: '30s',
            startTime: '0s',
        },
        stress_test: {
            executor: 'ramping-vus',
            startVUs: 10,
            stages: [
                { duration: '1m', target: 50 },
                { duration: '2m', target: 100 },
                { duration: '1m', target: 50 },
                { duration: '1m', target: 10 }
            ],
            startTime: '0s',
        },
        spike_test: {
            executor: 'ramping-vus',
            startVUs: 10,
            stages: [
                { duration: '30s', target: 10 },
                { duration: '10s', target: 200 },
                { duration: '30s', target: 10 }
            ],
            startTime: '0s',
        },
    },
    thresholds: {
        http_req_duration: ['p(95)<500'],
        http_req_failed: ['rate<0.05'],
    },
};

export default function () {
    let response = http.get(`${BASE_URL}/actuator/health`);

    check(response, {
        'status is 200': (r) => r.status === 200,
        'response time < 500ms': (r) => r.timings.duration < 500,
        'has UP status': (r) => r.json('status') === 'UP',
    });

    sleep(1);
}

export function teardown() {
    console.log('Performance test completed');
}