/**
 * Tests for node management API - focusing on api_url validation (SSRF fix C2).
 */
import { describe, it, expect, beforeAll, afterAll } from 'vitest';
import request from 'supertest';
import jwt from 'jsonwebtoken';
import { setupTestDb, cleanupTestDb, TEST_USERNAME, TEST_JWT_SECRET } from './helpers/setupTestDb';

let tmpDir: string;
let app: import('express').Express;
let authHeader: string;

beforeAll(async () => {
  tmpDir = await setupTestDb();
  ({ app } = await import('../index'));
  const token = jwt.sign({ username: TEST_USERNAME }, TEST_JWT_SECRET, { expiresIn: '1m' });
  authHeader = `Bearer ${token}`;
});

afterAll(() => {
  cleanupTestDb(tmpDir);
});

describe('POST /api/nodes - api_url SSRF validation (C2 fix)', () => {
  it('rejects localhost api_url', async () => {
    const res = await request(app)
      .post('/api/nodes')
      .set('Authorization', authHeader)
      .send({ name: 'bad-node', type: 'remote', api_url: 'http://localhost:6379' });
    expect(res.status).toBe(400);
    expect(res.body.error).toMatch(/loopback/i);
  });

  it('rejects 127.0.0.1 api_url', async () => {
    const res = await request(app)
      .post('/api/nodes')
      .set('Authorization', authHeader)
      .send({ name: 'bad-node-2', type: 'remote', api_url: 'http://127.0.0.1:5432' });
    expect(res.status).toBe(400);
  });

  it('rejects non-http scheme', async () => {
    const res = await request(app)
      .post('/api/nodes')
      .set('Authorization', authHeader)
      .send({ name: 'bad-node-3', type: 'remote', api_url: 'ftp://example.com' });
    expect(res.status).toBe(400);
    expect(res.body.error).toMatch(/http/i);
  });

  it('rejects malformed URL', async () => {
    const res = await request(app)
      .post('/api/nodes')
      .set('Authorization', authHeader)
      .send({ name: 'bad-node-4', type: 'remote', api_url: 'not-a-url' });
    expect(res.status).toBe(400);
  });

  it('accepts valid LAN IP', async () => {
    const res = await request(app)
      .post('/api/nodes')
      .set('Authorization', authHeader)
      .send({
        name: 'lan-node',
        type: 'remote',
        api_url: 'http://192.168.1.50:1852',
        api_token: 'sometoken',
      });
    // Should succeed (201 or 200) - not a validation error
    expect(res.status).not.toBe(400);
  });

  it('requires api_url for remote nodes', async () => {
    const res = await request(app)
      .post('/api/nodes')
      .set('Authorization', authHeader)
      .send({ name: 'missing-url', type: 'remote' });
    expect(res.status).toBe(400);
  });
});

describe('Stack name validation on GET routes (H3 fix)', () => {
  it('rejects path traversal in GET /api/stacks/:stackName', async () => {
    const res = await request(app)
      .get('/api/stacks/..%2F..%2Fetc%2Fpasswd')
      .set('Authorization', authHeader);
    expect(res.status).toBe(400);
  });

  it('rejects dots in stack name', async () => {
    const res = await request(app)
      .get('/api/stacks/.hidden')
      .set('Authorization', authHeader);
    expect(res.status).toBe(400);
  });
});
