/**
 * M6 acceptance test:
 *   создаём фикстуру (track + embedding) →
 *   POST /enrollment →
 *   POST /consents/.../revoke с CONSENT_REVOKE_DELAY_MS=300 →
 *   через ~600мс эмбеддинги удалены, трек ANONYMIZED, ФИО null,
 *   в biometry_access_log полный след.
 *
 * FaceClient и PolimedClient замоканы. Redis/Postgres — реальные.
 */
// CONSENT_REVOKE_DELAY_MS=300 устанавливается в test/setup-env.ts ДО imports.

import { Test, type TestingModule } from '@nestjs/testing';
import type { INestApplication } from '@nestjs/common';
import { ValidationPipe } from '@nestjs/common';
import { TrackStatus } from '@reception/db';
import cookieParser from 'cookie-parser';
import request from 'supertest';
import { randomUUID } from 'node:crypto';
import { AppModule } from '../src/app.module';
import { PrismaService } from '../src/prisma/prisma.service';
import { FaceClient } from '../src/face/face.client';
import { PolimedClient } from '../src/polimed/polimed.client';

const SENIOR_EMAIL = 'senior@local';
const SENIOR_PASSWORD = process.env.SEED_PASSWORD_SENIOR ?? 'senior123';

class FaceClientMock {
  enrolledTracks: string[] = [];
  deletedPatients: string[] = [];
  countCalls = 0;

  async recognize() {
    return null;
  }
  async enrollTrack(trackId: string, _patientId: string): Promise<number> {
    this.enrolledTracks.push(trackId);
    return 1;
  }
  async deletePatientEmbeddings(patientId: string): Promise<number> {
    this.deletedPatients.push(patientId);
    return 1;
  }
  async countPatientEmbeddings(_patientId: string): Promise<number> {
    this.countCalls += 1;
    return 0;
  }
}

class PolimedClientMock {
  async searchPatients(q: string) {
    return [
      { id: q, fullName: 'Иванов Иван Иванович', birthDate: '1980-01-01', phone: '+7900', cardNumber: 'K-MOCK' },
    ];
  }
  async getAppointments() {
    return [];
  }
  async getAppointment(id: string) {
    return {
      id,
      patientId: 'pol-p-test',
      patientFullName: 'Иванов Иван Иванович',
      doctorFullName: 'Доктор Тест',
      specialty: 'Терапевт',
      scheduledFor: new Date().toISOString(),
      status: 'scheduled' as const,
    };
  }
  async pushVisitEvent() {
    return;
  }
}

describe('Enrollment + Consent revoke (e2e, M6)', () => {
  let app: INestApplication;
  let prisma: PrismaService;
  let face: FaceClientMock;

  let cameraId: string;
  let zoneId: string;
  let trackId: string;
  let embeddingId: string;
  const polimedPatientId = `pol-p-test-${Date.now()}`;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [AppModule],
    })
      .overrideProvider(FaceClient)
      .useClass(FaceClientMock)
      .overrideProvider(PolimedClient)
      .useClass(PolimedClientMock)
      .compile();

    app = module.createNestApplication();
    app.use(cookieParser());
    app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true }));
    await app.init();

    prisma = app.get(PrismaService);
    face = app.get(FaceClient) as unknown as FaceClientMock;

    // Готовим зону, камеру, трек, фейковый эмбеддинг.
    const zone = await prisma.zone.findUniqueOrThrow({ where: { code: 'A' } });
    zoneId = zone.id;
    const camera = await prisma.camera.create({
      data: { name: `test-cam-${Date.now()}`, zoneId },
    });
    cameraId = camera.id;
    trackId = randomUUID();
    embeddingId = randomUUID();
    await prisma.track.create({
      data: {
        id: trackId,
        firstSeenAt: new Date(Date.now() - 60_000),
        lastSeenAt: new Date(),
      },
    });
    // Прямой INSERT эмбеддинга через $executeRawUnsafe (синтетический 512-d).
    const embeddingLiteral = '[' + Array.from({ length: 512 }, () => Math.random()).join(',') + ']';
    await prisma.$executeRawUnsafe(
      `INSERT INTO face_embeddings (id, embedding, track_id, camera_id, quality, captured_at, created_at)
       VALUES ($1::uuid, $2::vector, $3::uuid, $4::uuid, $5, NOW(), NOW())`,
      embeddingId,
      embeddingLiteral,
      trackId,
      cameraId,
      0.9,
    );
  });

  afterAll(async () => {
    await prisma.$executeRawUnsafe(`DELETE FROM face_embeddings WHERE track_id = $1::uuid`, trackId);
    await prisma.visit.deleteMany({ where: { patient: { polimedPatientId } } });
    await prisma.patientConsent.deleteMany({ where: { patient: { polimedPatientId } } });
    await prisma.consentRevocationJob.deleteMany({ where: { patient: { polimedPatientId } } });
    await prisma.biometryAccessLog.deleteMany({ where: { subjectPatientId: { not: null } } });
    await prisma.track.deleteMany({ where: { id: trackId } });
    await prisma.patient.deleteMany({ where: { polimedPatientId } });
    await prisma.camera.deleteMany({ where: { id: cameraId } });
    await app.close();
  });

  async function loginSenior(): Promise<string[]> {
    const res = await request(app.getHttpServer())
      .post('/auth/login')
      .send({ email: SENIOR_EMAIL, password: SENIOR_PASSWORD });
    expect(res.status).toBe(200);
    return (res.headers['set-cookie'] as unknown as string[]) ?? [];
  }

  it('full enrollment + revoke flow', async () => {
    const cookies = await loginSenior();

    // 1. Enrollment.
    const enrollRes = await request(app.getHttpServer())
      .post('/enrollment')
      .set('Cookie', cookies)
      .send({
        trackId,
        polimedPatientId,
        polimedAppointmentId: 'pol-a-test',
        paperConsentRef: 'paper-ref-001',
      });

    expect(enrollRes.status).toBe(201);
    expect(enrollRes.body.patientId).toBeDefined();
    expect(enrollRes.body.visitId).toBeDefined();
    const patientId: string = enrollRes.body.patientId;

    // FaceClient.enrollTrack был вызван.
    expect(face.enrolledTracks).toContain(trackId);

    // Проверяем DB-состояние после enrollment.
    const patientAfterEnroll = await prisma.patient.findUniqueOrThrow({ where: { id: patientId } });
    expect(patientAfterEnroll.polimedPatientId).toBe(polimedPatientId);
    expect(patientAfterEnroll.consentReceivedAt).not.toBeNull();

    const trackAfterEnroll = await prisma.track.findUniqueOrThrow({ where: { id: trackId } });
    expect(trackAfterEnroll.patientId).toBe(patientId);
    expect(trackAfterEnroll.status).toBe(TrackStatus.MATCHED);

    const grantedConsent = await prisma.patientConsent.findFirst({
      where: { patientId, action: 'GRANTED' },
    });
    expect(grantedConsent).not.toBeNull();
    expect(grantedConsent?.paperRef).toBe('paper-ref-001');

    // 2. Revoke consent.
    const revokeRes = await request(app.getHttpServer())
      .post(`/consents/${patientId}/revoke`)
      .set('Cookie', cookies);
    expect(revokeRes.status).toBe(202);
    expect(revokeRes.body.jobId).toBeDefined();

    // Сразу после revoke — consentRevokedAt и pendingDeletionAt установлены.
    const patientAfterRevoke = await prisma.patient.findUniqueOrThrow({ where: { id: patientId } });
    expect(patientAfterRevoke.consentRevokedAt).not.toBeNull();
    expect(patientAfterRevoke.pendingDeletionAt).not.toBeNull();

    // 3. Ждём срабатывания BullMQ (delay=300мс + обработка).
    await new Promise((r) => setTimeout(r, 1500));

    // 4. Проверяем результат отложенной задачи.
    expect(face.deletedPatients).toContain(patientId);

    const patientFinal = await prisma.patient.findUniqueOrThrow({ where: { id: patientId } });
    expect(patientFinal.fullName).toBeNull();
    expect(patientFinal.pendingDeletionAt).toBeNull();

    const trackFinal = await prisma.track.findUniqueOrThrow({ where: { id: trackId } });
    expect(trackFinal.status).toBe(TrackStatus.ANONYMIZED);

    const job = await prisma.consentRevocationJob.findFirstOrThrow({ where: { patientId } });
    expect(job.status).toBe('DONE');
    expect(job.completedAt).not.toBeNull();

    // 5. Полный аудит-след в biometry_access_log.
    const logs = await prisma.biometryAccessLog.findMany({
      where: { subjectPatientId: patientId },
      orderBy: { occurredAt: 'asc' },
    });
    const actions = logs.map((l) => l.action);
    expect(actions).toContain('enroll');
    expect(actions).toContain('consent_revoke');
    expect(actions).toContain('consent_revocation_completed');
  }, 30_000);
});