import { generateDescriptions } from './openaiClient'

const mockFetch = jest.fn()
global.fetch = mockFetch

const mockResponse = (content: string) => ({
  ok: true,
  json: async () => ({ choices: [{ message: { content } }] }),
})

describe('generateDescriptions', () => {
  beforeEach(() => {
    process.env.OPENAI_API_KEY = 'sk-test'
    mockFetch.mockReset()
  })

  it('retourne shortDesc et longDesc depuis OpenAI', async () => {
    mockFetch
      .mockResolvedValueOnce(mockResponse('<p>Description courte</p>'))
      .mockResolvedValueOnce(mockResponse('<p>Description longue</p>'))
    const result = await generateDescriptions({
      title: 'Perceuse', rawDescription: 'Une perceuse', comment: '', vendor: 'BOSCH', famille: 'OUTILLAGE',
    })
    expect(result.shortDesc).toBe('<p>Description courte</p>')
    expect(result.longDesc).toBe('<p>Description longue</p>')
    expect(mockFetch).toHaveBeenCalledTimes(2)
  })

  it('lance les deux requêtes en parallèle', async () => {
    mockFetch.mockResolvedValue(mockResponse('<p>ok</p>'))
    await generateDescriptions({ title: 'T', rawDescription: '', comment: '', vendor: '', famille: '' })
    expect(mockFetch).toHaveBeenCalledTimes(2)
  })

  it('lance une erreur si OPENAI_API_KEY manquant', async () => {
    delete process.env.OPENAI_API_KEY
    await expect(generateDescriptions({ title: 'T', rawDescription: '', comment: '', vendor: '', famille: '' }))
      .rejects.toThrow('OPENAI_API_KEY')
  })

  it('lance une erreur si la réponse OpenAI est non-ok', async () => {
    mockFetch.mockResolvedValue({ ok: false, status: 429, text: async () => 'rate limited' })
    await expect(generateDescriptions({ title: 'T', rawDescription: '', comment: '', vendor: '', famille: '' }))
      .rejects.toThrow('429')
  })
})