import { createSellerClient } from '@spree/seller-sdk'

const client = createSellerClient({
  baseUrl: 'https://your-store.com',
  jwtToken: 'eyJhbGciOi...',
  sellerId: 'sel_UkLWZg9DAJ',
})

// An export is built in the background; poll until it is done.
let exp = await client.exports.get('exp_UkLWZg9DAJ')
while (!exp.done) {
  await new Promise((resolve) => setTimeout(resolve, 2000))
  exp = await client.exports.get(exp.id)
}

if (exp.download_url) {
  // Exports are served through the API, so fetch with the session's token
  // and seller, then drive the browser download:
  const response = await fetch(`https://your-store.com${exp.download_url}`, {
    headers: { Authorization: 'Bearer eyJhbGciOi...', 'X-Spree-Seller-Id': 'sel_UkLWZg9DAJ' },
  })
  if (!response.ok) throw new Error(`Download failed with status ${response.status}`)
  const url = URL.createObjectURL(await response.blob())
  const link = Object.assign(document.createElement('a'), {
    href: url,
    download: exp.filename ?? 'export.csv',
  })
  link.click()
  URL.revokeObjectURL(url)
}

curl --request GET \
  --url http://{defaultHost}/api/v3/seller/exports/{id}/download \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Spree-Seller-Id: <x-spree-seller-id>'

{
  "error": {
    "code": "record_not_found",
    "message": "Export not found"
  }
}

{
  "error": {
    "code": "export_not_ready",
    "message": "Export is not ready yet"
  }
}