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 HoneyBatchBody {
  id: string;
  batchNumber: string;
  measurements: { id: string }[];
  storageContainerId: string | null;
}

interface RelocationBody {
  id: string;
  fromStorageContainerId: string | null;
  toStorageContainerId: string;
}

interface TraceabilityBody {
  honeyBatch: { batchNumber: string };
  extraction: { id: string };
  harvests: { colonies: { code: string }[] }[];
}

describe('Honey batches (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `honey-batches-e2e-beekeeper-${Date.now()}@example.com`;
  const staffEmail = `honey-batches-e2e-staff-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let beekeeperId: string;
  let staffId: string;
  let beekeeperToken: string;
  let staffToken: string;
  let apiaryId: string;
  let colonyId: string;
  let harvestId: string;
  let extractionId: string;
  let honeyBatchId: string;
  let containerAId: string;
  let containerBId: 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: 'BEEKEEPER',
      },
    });
    beekeeperId = beekeeper.id;
    const staff = await prisma.user.create({
      data: { email: staffEmail, passwordHash, name: 'Staff', role: 'STAFF' },
    });
    staffId = staff.id;
    beekeeperToken = (await login(app, beekeeperEmail, password)).accessToken;
    staffToken = (await login(app, staffEmail, 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 containerA = await prisma.storageContainer.create({
      data: { code: `LB-A-${Date.now()}` },
    });
    containerAId = containerA.id;
    const containerB = await prisma.storageContainer.create({
      data: { code: `LB-B-${Date.now()}` },
    });
    containerBId = containerB.id;
  });

  afterAll(async () => {
    if (honeyBatchId) {
      await prisma.honeyBatchRelocation.deleteMany({
        where: { honeyBatchId },
      });
      await prisma.honeyMeasurement.deleteMany({ where: { honeyBatchId } });
      await prisma.honeyBatch.deleteMany({ where: { id: honeyBatchId } });
    }
    await prisma.storageContainer.deleteMany({
      where: { id: { in: [containerAId, containerBId] } },
    });
    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: { in: [beekeeperId, staffId] } },
    });
    await prisma.auditLog.deleteMany({
      where: { userId: { in: [beekeeperId, staffId] } },
    });
    await prisma.user.deleteMany({
      where: { id: { in: [beekeeperId, staffId] } },
    });
    await app.close();
  });

  it('rejects create for a STAFF user', () => {
    return request(app.getHttpServer())
      .post('/api/v1/honey-batches')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({ batchNumber: `HC-${Date.now()}`, extractionId })
      .expect(403);
  });

  it('lets a BEEKEEPER user create a honey batch from an extraction', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/honey-batches')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ batchNumber: `HC-${Date.now()}`, extractionId, amount: 20 })
      .expect(201);
    const honeyBatch = response.body as HoneyBatchBody;
    honeyBatchId = honeyBatch.id;
    expect(honeyBatch.batchNumber).toEqual(expect.stringContaining('HC-'));
  });

  it('adds a water content measurement to the batch', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/honey-batches/${honeyBatchId}/measurements`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ waterContent: 17.4, measuredAt: new Date().toISOString() })
      .expect(201);
    const honeyBatch = response.body as HoneyBatchBody;
    expect(honeyBatch.measurements).toHaveLength(1);
  });

  it('traces the honey batch back to its source colonies', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/honey-batches/${honeyBatchId}/traceability`)
      .set('Authorization', `Bearer ${staffToken}`)
      .expect(200);
    const trace = response.body as TraceabilityBody;
    expect(trace.extraction.id).toBe(extractionId);
    expect(trace.harvests[0]?.colonies[0]?.code).toBeDefined();
  });

  it('relocates the honey batch into a storage container', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/honey-batches/${honeyBatchId}/relocate`)
      .set('Authorization', `Bearer ${staffToken}`)
      .send({ storageContainerId: containerAId, notes: 'Erstbefüllung' })
      .expect(201);
    const honeyBatch = response.body as HoneyBatchBody;
    expect(honeyBatch.storageContainerId).toBe(containerAId);
  });

  it('rejects relocation to a nonexistent storage container', () => {
    return request(app.getHttpServer())
      .post(`/api/v1/honey-batches/${honeyBatchId}/relocate`)
      .set('Authorization', `Bearer ${staffToken}`)
      .send({ storageContainerId: 'does-not-exist' })
      .expect(404);
  });

  it('relocates the honey batch again and records both moves in history', async () => {
    await request(app.getHttpServer())
      .post(`/api/v1/honey-batches/${honeyBatchId}/relocate`)
      .set('Authorization', `Bearer ${staffToken}`)
      .send({ storageContainerId: containerBId })
      .expect(201);

    const response = await request(app.getHttpServer())
      .get(`/api/v1/honey-batches/${honeyBatchId}/relocations`)
      .set('Authorization', `Bearer ${staffToken}`)
      .expect(200);
    const relocations = response.body as RelocationBody[];
    expect(relocations).toHaveLength(2);
    expect(relocations[0].toStorageContainerId).toBe(containerBId);
    expect(relocations[0].fromStorageContainerId).toBe(containerAId);
    expect(relocations[1].toStorageContainerId).toBe(containerAId);
    expect(relocations[1].fromStorageContainerId).toBeNull();
  });
});