// npm i @lumina-org/sdk@^0.6.0 ethers
import { LuminaClient } from '@lumina-org/sdk'
import { Wallet, JsonRpcProvider } from 'ethers'

const lumina = new LuminaClient({ apiKey: process.env.LUMINA_API_KEY! })
// Honor the dedicated RPC env var (matches web3-provider.tsx) so this path is
// not stuck on a rate-limited public endpoint; fall back to public when unset.
const provider = new JsonRpcProvider(
  process.env.NEXT_PUBLIC_RPC_URL_ALCHEMY ??
    process.env.NEXT_PUBLIC_RPC_URL ??
    'https://base-mainnet-rpc.publicnode.com',
)
const buyer = new Wallet(process.env.BUYER_PRIVATE_KEY!, provider)

// One-time: approve CoverRouter to spend USDC
await lumina.policies.ensureAllowance(buyer)

// Buy a $100 FLASHBTC1H policy.
// SDK 0.6.0 (V5.3) resolves productId hash + per-shield asset from productName,
// and pulls contract addresses at runtime via GET /health.
const receipt = await lumina.policies.purchase({
  productName: 'FLASHBTC1H-001',
  buyer: await buyer.getAddress(),
  coverageAmount: '100000000', // $100, the on-chain minimum
})
console.log('policyId =', receipt.policyId)