import { Synapse } from '@filoz/synapse-sdk'
import { calibration } from '@filoz/synapse-core/chains'
import { http } from 'viem'
import { privateKeyToAccount } from 'viem/accounts'

async function main() {
  // 1. Create your account from private key
  const account = privateKeyToAccount('0x...' as `0x${string}`)
  
  // 2. Initialize Synapse
  const synapse = Synapse.create({
    chain: calibration,
    transport: http(),
    account,
  })
  
  console.log('Connected to:', synapse.chain.name)
  console.log('Wallet:', account.address)
  
  // 3. Check your balances
  const usdfc = await synapse.payments.walletBalance({ token: 'USDFC' })
  console.log('USDFC balance:', Number(usdfc) / 1e18)
  
  // 4. Ensure you have operator approval (one-time setup)
  const approval = await synapse.payments.serviceApproval()
  if (!approval.isApproved) {
    console.log('Setting up operator approval...')
    await synapse.payments.setOperatorApproval({
      operator: synapse.chain.contracts.fwss.address,
      approved: true,
    })
  }
  
  // 5. Upload some data
  console.log('\nUploading data...')
  const data = new TextEncoder().encode('Hello from Filecoin Onchain Cloud!')
  
  const result = await synapse.storage.upload(data, {
    callbacks: {
      onProviderSelected: (provider) => {
        console.log('Selected provider:', provider.id)
      },
      onStored: (providerId, pieceCid) => {
        console.log(`Stored on provider ${providerId}:`, pieceCid)
      },
      onPiecesConfirmed: (dataSetId, providerId) => {
        console.log(`Confirmed on-chain: dataset ${dataSetId}, provider ${providerId}`)
      },
    },
  })
  
  console.log('\n✅ Upload complete!')
  console.log('PieceCID:', result.pieceCid)
  console.log('Size:', result.size, 'bytes')
  console.log('Copies:', result.copies.length)
  
  for (const copy of result.copies) {
    console.log(`  - Provider ${copy.providerId} (${copy.role}): dataset ${copy.dataSetId}, piece ${copy.pieceId}`)
  }
  
  // 6. Download and verify
  console.log('\nDownloading data...')
  const retrieved = await synapse.storage.download({ 
    pieceCid: result.pieceCid 
  })
  
  const text = new TextDecoder().decode(retrieved)
  console.log('Retrieved:', text)
  console.log('\n✅ Round-trip successful!')
}

main().catch(console.error)