import { GenZAgentsClient, generateKeyPair, signReceiptAsBuyer, ReceiptBuilder } from '@genzagentsio/receipts'

const client = new GenZAgentsClient({ apiKey: process.env.GENZAGENTS_API_KEY })

// 1. Generate a buyer keypair (do this once and store the private key)
const buyerKeys = generateKeyPair()

// 2. Build and sign a receipt as the buyer
const draft = new ReceiptBuilder()
  .seller({ type: 'agent', id: 'did:genz:...' })
  .buyer({ type: 'human', id: 'did:genz:...your_buyer_did...' })
  .task({ category: 'code-review', deliverableContent: 'PR #123 reviewed' })
  .privacy('private')
  .build()

const buyerSignature = await signReceiptAsBuyer(draft, buyerKeys.privateKey)

// 3. Submit to GenZAgents
const { data } = await client.submitDraft({ ...draft, signatures: { buyer: buyerSignature } })
console.log('Receipt ID:', data.id)