import { INestApplication } from '@nestjs/common';
import * as bcrypt from 'bcryptjs';
import request from 'supertest';
import { App } from 'supertest/types';
import { PrismaService } from '../src/prisma/prisma.service';
import { createTestApp } from './utils/create-test-app';
import { login } from './utils/api';

interface PublicBatchBody {
  lotNumber: string;
  productName: string | null;
  honeyType: string | null;
  waterContent: number | null;
  origin: { regions: string[]; country: string };
  harvestDates: string[];
}

describe('Public batch origin page (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `public-e2e-beekeeper-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let beekeeperId: string;
  let beekeeperToken: string;
  let apiaryId: string;
  let colonyId: string;
  let harvestId: string;
  let extractionId: string;
  let honeyBatchId: string;
  let productId: string;
  let bottlingBatchId: string;
  const lotNumber = `WH-E2E-${Date.now()}`;
  const apiaryName = `Stand Wald ${Date.now()}`;
  const legalName = `Rechtsname-${Date.now()}-honig`;
  const foodBusinessAddress = `Geheimweg ${Date.now()}, 86450 Altenmünster`;

  beforeAll(async () => {
    app = await createTestApp();
    prisma = app.get(PrismaService);

    const passwordHash = await bcrypt.hash(password, 12);
    const beekeeper = await prisma.user.create({
      data: {
        email: beekeeperEmail,
        passwordHash,
        name: 'Beekeeper',
        role: { connect: { key: 'BEEKEEPER' } },
      },
    });
    beekeeperId = beekeeper.id;
    beekeeperToken = (await login(app, beekeeperEmail, password)).accessToken;

    const apiary = await prisma.apiary.create({
      data: {
        name: apiaryName,
        location: 'Waldweg 3',
        address: 'Waldweg 3, 12345 Ort',
        latitude: 51.2,
        longitude: 9.4,
        publicLocationLabel: 'Nordhessen',
      },
    });
    apiaryId = apiary.id;
    const colony = await prisma.colony.create({
      data: {
        code: `V-${Date.now()}`,
        apiaryId,
        colonyType: 'PRODUCTION_COLONY',
      },
    });
    colonyId = colony.id;
    const harvest = await prisma.harvest.create({
      data: { apiaryId, date: new Date('2026-08-12'), userId: beekeeperId },
    });
    harvestId = harvest.id;
    await prisma.harvestColony.create({ data: { harvestId, colonyId } });
    const extraction = await prisma.extraction.create({
      data: { date: new Date('2026-08-13'), userId: beekeeperId },
    });
    extractionId = extraction.id;
    await prisma.extractionHarvest.create({
      data: { extractionId, harvestId },
    });
    const honeyBatch = await prisma.honeyBatch.create({
      data: {
        batchNumber: `HC-${Date.now()}`,
        extractionId,
        amount: 25,
        honeyType: 'Sommerhonig',
        waterContent: 16.8,
      },
    });
    honeyBatchId = honeyBatch.id;
    const product = await prisma.product.create({
      data: { name: 'Sommerhonig 500g', legalName: legalName },
    });
    productId = product.id;
    const bottlingBatch = await prisma.bottlingBatch.create({
      data: {
        honeyBatchId,
        productId,
        date: new Date('2026-08-20'),
        jarSize: 500,
        jarCount: 10,
        totalAmount: 5,
        bestBeforeDate: new Date('2028-08-20'),
        lotNumber,
        userId: beekeeperId,
      },
    });
    bottlingBatchId = bottlingBatch.id;
  });

  afterAll(async () => {
    await prisma.bottlingBatch.deleteMany({ where: { id: bottlingBatchId } });
    await prisma.product.deleteMany({ where: { id: productId } });
    await prisma.honeyBatch.deleteMany({ where: { id: honeyBatchId } });
    await prisma.extractionHarvest.deleteMany({ where: { extractionId } });
    await prisma.extraction.deleteMany({ where: { id: extractionId } });
    await prisma.harvestColony.deleteMany({ where: { harvestId } });
    await prisma.harvest.deleteMany({ where: { id: harvestId } });
    await prisma.colony.deleteMany({ where: { id: colonyId } });
    await prisma.apiary.deleteMany({ where: { id: apiaryId } });
    await prisma.refreshToken.deleteMany({ where: { userId: beekeeperId } });
    await prisma.auditLog.deleteMany({ where: { userId: beekeeperId } });
    await prisma.user.deleteMany({ where: { id: beekeeperId } });
    await app.close();
  });

  it('returns public-safe origin data for a lot without any authentication', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/public/batches/${lotNumber}`)
      .expect(200);
    const body = response.body as PublicBatchBody;
    expect(body.lotNumber).toBe(lotNumber);
    expect(body.productName).toBe('Sommerhonig 500g');
    expect(body.honeyType).toBe('Sommerhonig');
    expect(body.waterContent).toBe(16.8);
    expect(body.origin.regions).toEqual(['Nordhessen']);
    expect(body.origin.country).toEqual(expect.any(String));
    expect(body.harvestDates).toHaveLength(1);
  });

  it('the public origin page exposes neither foodBusinessAddress nor legalName', async () => {
    const before = await prisma.siteSettings.findUnique({
      where: { id: 'singleton' },
    });
    await prisma.siteSettings.upsert({
      where: { id: 'singleton' },
      update: { foodBusinessName: 'Imkerei Geheim', foodBusinessAddress },
      create: {
        id: 'singleton',
        foodBusinessName: 'Imkerei Geheim',
        foodBusinessAddress,
      },
    });
    try {
      const response = await request(app.getHttpServer())
        .get(`/api/v1/public/batches/${lotNumber}`)
        .expect(200);
      const text = JSON.stringify(response.body);
      expect(text).not.toContain(foodBusinessAddress);
      expect(text).not.toContain('Imkerei Geheim');
      expect(text).not.toContain(legalName);
      expect(response.body).not.toHaveProperty('legalName');
      expect(response.body).not.toHaveProperty('foodBusinessAddress');
    } finally {
      await prisma.siteSettings.update({
        where: { id: 'singleton' },
        data: {
          foodBusinessName: before?.foodBusinessName ?? null,
          foodBusinessAddress: before?.foodBusinessAddress ?? null,
        },
      });
    }
  });

  it('never leaks the apiary name, location, address or coordinates', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/public/batches/${lotNumber}`)
      .expect(200);
    const text = JSON.stringify(response.body);
    for (const secret of [apiaryName, 'Waldweg 3', '51.2', '9.4', 'Ort']) {
      expect(text).not.toContain(secret);
    }
    expect(response.body).not.toHaveProperty('apiaries');
  });

  it('sends the public cache header on 200 and no-store on 404', async () => {
    const ok = await request(app.getHttpServer())
      .get(`/api/v1/public/batches/${lotNumber}`)
      .expect(200)
      .expect('Cache-Control', 'public, max-age=300, s-maxage=3600');
    expect(ok.headers['pragma']).toBeUndefined();
    await request(app.getHttpServer())
      .get('/api/v1/public/batches/NONE')
      .expect(404)
      .expect('Cache-Control', 'no-store');
  });

  it('generates a QR code for the bottling batch that deep-links to the public page', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/qr/bottling-batches/${bottlingBatchId}.svg`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect(response.headers['content-type']).toContain('image/svg+xml');
  });
});