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 StockItemBody {
  id: string;
  quantity: number;
}

describe('Storage (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `storage-e2e-beekeeper-${Date.now()}@example.com`;
  const staffEmail = `storage-e2e-staff-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let beekeeperId: string;
  let staffId: string;
  let beekeeperToken: string;
  let staffToken: string;
  let stockItemId: 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',
        legacyRole: 'BEEKEEPER',
        role: { connect: { key: 'BEEKEEPER' } },
      },
    });
    beekeeperId = beekeeper.id;
    const staff = await prisma.user.create({
      data: {
        email: staffEmail,
        passwordHash,
        name: 'Staff',
        legacyRole: 'STAFF',
        role: { connect: { key: 'STAFF' } },
      },
    });
    staffId = staff.id;
    beekeeperToken = (await login(app, beekeeperEmail, password)).accessToken;
    staffToken = (await login(app, staffEmail, password)).accessToken;
  });

  afterAll(async () => {
    if (stockItemId) {
      await prisma.stockMovement.deleteMany({ where: { stockItemId } });
      await prisma.stockItem.deleteMany({ where: { id: stockItemId } });
    }
    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/stock-items')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({ name: 'Zuckerlösung', category: 'CONSUMABLE', unit: 'l' })
      .expect(403);
  });

  it('lets a BEEKEEPER user create a stock item', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/stock-items')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        name: 'Zuckerlösung',
        category: 'CONSUMABLE',
        unit: 'l',
        quantity: 10,
      })
      .expect(201);
    const stockItem = response.body as StockItemBody;
    stockItemId = stockItem.id;
    expect(stockItem.quantity).toBe(10);
  });

  it('increments quantity on an IN movement', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/stock-items/${stockItemId}/movements`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ type: 'IN', quantity: 5 })
      .expect(201);
    const stockItem = response.body as StockItemBody;
    expect(stockItem.quantity).toBe(15);
  });

  it('decrements quantity on an OUT movement', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/stock-items/${stockItemId}/movements`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ type: 'OUT', quantity: 4 })
      .expect(201);
    const stockItem = response.body as StockItemBody;
    expect(stockItem.quantity).toBe(11);
  });
});