/**
 * BOOTSTRAP / F6 — boots the unified production bootstrap (buildApp) and asserts
 * the whole shell is intact on the single NestJS instance now that Express is gone:
 * the global security pipeline (helmet/CSP), the /uploads platform routes, the
 * migrated /api domains (with the JWT guard), the /api/health + /api/addons
 * platform/inline endpoints, and (in production) HSTS. This is the test that proves
 * server/src/bootstrap.ts + index.ts serve everything correctly without the legacy app.
 */
import { buildApp } from '../../src/bootstrap';
import { db as testDb } from '../../src/db/database';
import { UnitOfWork } from '../../src/nest/database/unit-of-work';
import { authCookie } from '../helpers/auth';
import { createUser } from '../helpers/factories';
import { resetTestDb } from '../helpers/test-db';
import type { INestApplication } from '@nestjs/common';

import request from 'supertest';
import { describe, it, expect, vi, beforeAll, afterAll } from 'vitest';

vi.mock('../../src/db/database', async () => {
  const { createSnapshotTestDb, buildDbMock } = await import('../helpers/db-mock');
  return buildDbMock(createSnapshotTestDb());
});
// BOOT-007 boots with NODE_ENV=production, which opens the cron gate — keep the
// registrar inert so a bootstrap test never schedules real jobs or runs boot
// sweeps against the real uploads/data dirs. The gate itself is covered by
// tests/integration/scheduler-gate.test.ts.
//
// runOnBoot (task-6-rereview.md M1): AirportsService's boot backfill has no
// isEnabled() gate of its own (unlike the seven job providers above, which
// all check isEnabled() before ever reaching runOnBoot, so they never call
// this mock's method at all) — it calls runOnBoot() unconditionally, so this
// double needs one too. A no-op, not a pass-through: "the registrar inert"
// above means no boot sweep runs in this harness, full stop.
vi.mock('../../src/nest/scheduling/cron-registrar.service', () => ({
  CronRegistrarService: class {
    isEnabled() {
      return false;
    }
    register() {
      return false;
    }
    async runOnBoot() {
      /* inert — see comment above */
    }
    unregister() {}
    get jobCount() {
      return 0;
    }
    onApplicationShutdown() {}
  },
}));

describe('BOOTSTRAP (F6) — unified NestJS app serves the whole surface', () => {
  let app: INestApplication;
  let instance: import('express').Application;

  beforeAll(async () => {
    resetTestDb(testDb);
    app = await buildApp();
    instance = app.getHttpAdapter().getInstance();
  });

  afterAll(async () => {
    await app.close();
    testDb.close();
  });

  it('BOOT-001 — GET /api/health returns 200 { status: ok } (platform transport on Nest)', async () => {
    const res = await request(instance).get('/api/health');
    expect(res.status).toBe(200);
    expect(res.body.status).toBe('ok');
    expect(res.headers['cache-control']).toContain('no-store');
  });

  it('BOOT-002 — the global security pipeline (helmet) is applied', async () => {
    const res = await request(instance).get('/api/health');
    // helmet defaults — proof applyGlobalMiddleware ran on the Nest instance.
    expect(res.headers['x-content-type-options']).toBe('nosniff');
    expect(res.headers['content-security-policy']).toBeDefined();
  });

  it('BOOT-003 — public /api/config is reachable without auth (migrated Nest domain)', async () => {
    const res = await request(instance).get('/api/config');
    expect(res.status).toBe(200);
  });

  it('BOOT-004 — a protected /api domain rejects an anonymous request (JWT guard wired)', async () => {
    const res = await request(instance).get('/api/trips');
    expect(res.status).toBe(401);
  });

  it('BOOT-005 — /uploads/files is blocked without auth (platform uploads on Nest)', async () => {
    const res = await request(instance).get('/uploads/files/anything.bin');
    expect(res.status).toBe(401);
  });

  it('BOOT-006 — GET /api/addons works end-to-end (guard → Nest AddonsController)', async () => {
    const anon = await request(instance).get('/api/addons');
    expect(anon.status).toBe(401);

    const { user } = createUser(testDb);
    const res = await request(instance).get('/api/addons').set('Cookie', authCookie(user.id));
    expect(res.status).toBe(200);
    expect(Array.isArray(res.body.addons)).toBe(true);
  });

  it('BOOT-007 — HSTS is advertised when NODE_ENV=production', async () => {
    const prev = process.env.NODE_ENV;
    process.env.NODE_ENV = 'production';
    let prodApp: INestApplication | undefined;
    try {
      prodApp = await buildApp();
      const res = await request(prodApp.getHttpAdapter().getInstance()).get('/api/health');
      expect(res.headers['strict-transport-security']).toContain('max-age=');
    } finally {
      if (prodApp) await prodApp.close();
      if (prev === undefined) delete process.env.NODE_ENV;
      else process.env.NODE_ENV = prev;
    }
  });

  it('BOOT-008 — large responses are gzip-compressed (Atlas country GeoJSON, #1254)', async () => {
    // The admin-0 country GeoJSON is multi-MB; without compression it stalls
    // behind reverse proxies / Cloudflare Tunnel. Proves applyGlobalMiddleware
    // gzips it on the wire.
    const { user } = createUser(testDb);
    const res = await request(instance)
      .get('/api/addons/atlas/countries/geo')
      .set('Accept-Encoding', 'gzip')
      .set('Cookie', authCookie(user.id));
    expect(res.status).toBe(200);
    expect(res.headers['content-encoding']).toBe('gzip');
  });

  it('BOOTSTRAP-ORM-001: the ORM unit of work resolves from the container', () => {
    expect(app.get(UnitOfWork)).toBeInstanceOf(UnitOfWork);
  });
});