import { GET } from './route'
import * as creationSheets from '@/lib/creationSheets'
import { getServerSession } from 'next-auth'

jest.mock('next-auth')
jest.mock('@/lib/creationSheets')
jest.mock('@/lib/prisma', () => ({
  prisma: { productCreation: { findMany: jest.fn().mockResolvedValue([]) } },
}))

const mockSession = getServerSession as jest.MockedFunction<typeof getServerSession>
const mockFetch = creationSheets.fetchPendingProducts as jest.MockedFunction<typeof creationSheets.fetchPendingProducts>

const makePending = (tab: string, row: number, specific: Record<string, string> = {}) => ({
  tab, rowNumber: row, sku: `SKU-${row}`, title: `Produit ${row}`,
  priceMarket: '99', priceActual: '79', stock: 5, weightKg: 2,
  vendor: 'BOSCH', famille: tab, sousFamille: '', comment: '',
  collectionId: '10', subCollectionId: '', hasPhoto: false,
  specificFields: specific,
})

describe('GET /api/creation/preview', () => {
  beforeEach(() => {
    mockSession.mockResolvedValue({ user: { id: 'u1', role: 'admin' } } as never)
    mockFetch.mockResolvedValue([
      makePending('OUTILLAGE', 2, { 'Puissance (AN)': '1500W' }),
      makePending('CARRELAGE', 3),
    ])
  })

  it('retourne 401 sans session', async () => {
    mockSession.mockResolvedValue(null)
    const res = await GET(new Request('http://localhost') as never)
    expect(res.status).toBe(401)
  })

  it('retourne les produits groupés par onglet', async () => {
    const res = await GET(new Request('http://localhost') as never)
    const body = await res.json()
    expect(body.byTab['OUTILLAGE']).toHaveLength(1)
    expect(body.byTab['CARRELAGE']).toHaveLength(1)
    expect(body.total).toBe(2)
  })

  it('liste les colonnes spécifiques uniques', async () => {
    const res = await GET(new Request('http://localhost') as never)
    const body = await res.json()
    expect(body.specificColumns).toContain('Puissance (AN)')
  })
})