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

jest.mock('next-auth')
jest.mock('@/lib/shopifyMetafields')

const mockSession = getServerSession as jest.MockedFunction<typeof getServerSession>
const mockFetchDefs = shopifyMetafields.fetchMetafieldDefinitions as jest.MockedFunction<typeof shopifyMetafields.fetchMetafieldDefinitions>
const mockMatch = shopifyMetafields.matchMetafields as jest.MockedFunction<typeof shopifyMetafields.matchMetafields>

describe('GET /api/creation/metafields', () => {
  beforeEach(() => {
    mockSession.mockResolvedValue({ user: { id: 'u1', role: 'admin' } } as never)
    mockFetchDefs.mockResolvedValue([
      { id: '1', namespace: 'custom', key: 'puissance', name: 'Puissance', type: 'single_line_text_field' },
    ])
    mockMatch.mockReturnValue({
      matched: { 'Puissance (AN)': { columnHeader: 'Puissance (AN)', action: 'map', namespace: 'custom', key: 'puissance', existingDefinitionId: '1' } },
      unmatched: ['Batterie (AP)'],
    })
  })

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

  it('retourne définitions + matching', async () => {
    const res = await GET(new Request('http://localhost/api/creation/metafields?columns=Puissance+%28AN%29%2CBatterie+%28AP%29') as never)
    const body = await res.json()
    expect(body.definitions).toHaveLength(1)
    expect(body.matched['Puissance (AN)'].key).toBe('puissance')
    expect(body.unmatched).toContain('Batterie (AP)')
  })
})