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';

describe('Export (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `export-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;

  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: `Stand ${Date.now()}` },
    });
    apiaryId = apiary.id;
    const colony = await prisma.colony.create({
      data: {
        code: `V-${Date.now()}`,
        apiaryId,
        colonyType: 'PRODUCTION_COLONY',
      },
    });
    colonyId = colony.id;
    const harvest = await prisma.harvest.create({
      data: { apiaryId, date: new Date(), userId: beekeeperId },
    });
    harvestId = harvest.id;
    await prisma.harvestColony.create({ data: { harvestId, colonyId } });
    const extraction = await prisma.extraction.create({
      data: { date: new Date(), 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: 20 },
    });
    honeyBatchId = honeyBatch.id;
  });

  afterAll(async () => {
    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('exports colonies as CSV', async () => {
    const response = await request(app.getHttpServer())
      .get('/api/v1/export/colonies.csv')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect(response.headers['content-type']).toContain('text/csv');
    expect(response.text.split('\n')[0]).toContain('code');
    expect(response.text).toContain(colonyId);
  });

  it('exports honey batches as CSV', async () => {
    const response = await request(app.getHttpServer())
      .get('/api/v1/export/honey-batches.csv')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect(response.text).toContain(honeyBatchId);
  });

  it('exports colonies as JSON', async () => {
    const response = await request(app.getHttpServer())
      .get('/api/v1/export/colonies.json')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    const body = response.body as { id: string }[];
    expect(body.some((colony) => colony.id === colonyId)).toBe(true);
  });

  it('rejects an unsupported JSON entity with 400', () => {
    return request(app.getHttpServer())
      .get('/api/v1/export/bogus.json')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(400);
  });

  it('exports the honey batch traceability report as PDF', async () => {
    const response = await request(app.getHttpServer())
      .get(
        `/api/v1/export/honey-batch-traceability.pdf?honeyBatchId=${honeyBatchId}`,
      )
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect(response.headers['content-type']).toContain('application/pdf');
    const pdfBody = response.body as Buffer;
    expect(pdfBody.subarray(0, 4).toString('latin1')).toBe('%PDF');
  });

  it('rejects the traceability report without honeyBatchId with 400', () => {
    return request(app.getHttpServer())
      .get('/api/v1/export/honey-batch-traceability.pdf')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(400);
  });

  it('rejects the colony annual report without a colonyId', () => {
    return request(app.getHttpServer())
      .get('/api/v1/export/colony-annual-report.pdf')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(400);
  });

  it('rejects the colony annual report for an unknown colony', () => {
    return request(app.getHttpServer())
      .get('/api/v1/export/colony-annual-report.pdf?colonyId=does-not-exist')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(404);
  });

  it('renders a colony annual report PDF', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/export/colony-annual-report.pdf?colonyId=${colonyId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect(response.headers['content-type']).toContain('application/pdf');
    expect((response.body as Buffer).subarray(0, 4).toString('latin1')).toBe(
      '%PDF',
    );
  });

  it('renders the record card (Stockkarte) for the whole history and for one year', async () => {
    for (const query of [
      `colonyId=${colonyId}`,
      `colonyId=${colonyId}&year=2026`,
    ]) {
      const response = await request(app.getHttpServer())
        .get(`/api/v1/export/colony-record-card.pdf?${query}`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .expect(200);
      expect(response.headers['content-type']).toContain('application/pdf');
      expect((response.body as Buffer).subarray(0, 4).toString('latin1')).toBe(
        '%PDF',
      );
    }
  });

  it('rejects the record card without a colonyId and for an unknown colony', async () => {
    await request(app.getHttpServer())
      .get('/api/v1/export/colony-record-card.pdf')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(400);
    await request(app.getHttpServer())
      .get('/api/v1/export/colony-record-card.pdf?colonyId=does-not-exist')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(404);
  });

  it('renders the Bestandsbuch for a year, also when nothing was treated', async () => {
    for (const query of ['year=2026', 'year=1999']) {
      const response = await request(app.getHttpServer())
        .get(`/api/v1/export/treatment-log.pdf?${query}`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .expect(200);
      expect(response.headers['content-type']).toContain('application/pdf');
      expect((response.body as Buffer).subarray(0, 4).toString('latin1')).toBe(
        '%PDF',
      );
    }
  });

  it('rejects the apiary annual report without an apiaryId', () => {
    return request(app.getHttpServer())
      .get('/api/v1/export/apiary-annual-report.pdf')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(400);
  });

  it('renders an apiary annual report PDF', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/export/apiary-annual-report.pdf?apiaryId=${apiaryId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect(response.headers['content-type']).toContain('application/pdf');
    expect((response.body as Buffer).subarray(0, 4).toString('latin1')).toBe(
      '%PDF',
    );
  });
});