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

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

const exchange = await client.orders.exchanges.create('or_UkLWZg9DAJ', {
  items: [
    { fulfillment_item_id: 'fi_UkLWZg9DAJ', new_variant_id: 'variant_86Rf07xd4z', quantity: 1 },
  ],
  reason_id: 'rar_UkLWZg9DAJ',
})

curl --request POST \
  --url http://{defaultHost}/api/v3/seller/orders/{order_id}/exchanges \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Spree-Seller-Id: <x-spree-seller-id>' \
  --data '
{
  "items": [
    {
      "fulfillment_item_id": "<string>",
      "new_variant_id": "<string>",
      "quantity": 123
    }
  ],
  "reason_id": "<string>",
  "stock_location_id": "<string>",
  "memo": "<string>"
}
'

{
  "id": "exch_UkLWZg9DAJ",
  "number": "EX1001",
  "status": "requested",
  "order_id": "or_UkLWZg9DAJ",
  "reason_id": null,
  "price_difference": "9.99",
  "approved_at": null,
  "received_at": null,
  "fulfilled_at": null,
  "canceled_at": null,
  "memo": null,
  "stock_location_id": "sloc_UkLWZg9DAJ"
}