import { SettleSettle } from 'settlesettle'

// Configured via argument or SETTLESETTLE_API_KEY environment variable
const settle = new SettleSettle({
  apiKey: 'ss_live_your_secret_key'
})

// Query user credits wallet balance
const { balance } = await settle.wallet.getBalance('user_123')
console.log(`User has ${balance} credits remaining.`)

// 1. Initialize a checkout session
const { checkoutUrl, reference } = await settle.payments.initialize({
  endUserId: 'user_123',
  amountKobo: 500000,   // ₦5,000 in kobo (always in smallest currency unit)
  email: 'user@example.com',
  callbackUrl: 'https://myapp.com/checkout/callback' // Optional success return URL
})

// Redirect your user to checkoutUrl to complete the payment
console.log(`Checkout URL: ${checkoutUrl}`)

// 2. Verify payment status later (e.g., inside callback page or cron checks)
const result = await settle.payments.verify(reference)
if (result.status === 'success') {
  console.log('Payment successfully processed!')
}

// 3. Support for Web3 Solana USDC audit tracking (Devnet)
const solanaResult = await settle.payments.verifySolana(
  'sol_ref_9901',
  '4t6fHnQ9...' // On-chain transaction signature
)

// Credit a user's wallet (e.g., promotional sign-up bonus)
await settle.wallet.credit('user_123', {
  amount: 100,
  description: 'Welcome bonus',
})

// Deduct credits for usage
import { InsufficientCreditsError } from 'settlesettle'

try {
  await settle.wallet.debit('user_123', {
    amount: 10,
    description: 'AI Query execution',
  })
} catch (err) {
  if (err instanceof InsufficientCreditsError) {
    // Gracefully handle balance exhaustion
    console.log(`Insufficient credits. Current balance: ${err.currentBalance}`)
  }
}

// View paginated transaction history
const history = await settle.wallet.getHistory('user_123', { page: 1, limit: 10 })
console.log(history.transactions) // List of past credits/debits

// 1. Check if user has active subscription access to your premium tier
const { hasAccess, reason, subscription } = await settle.subscriptions.checkAccess('user_123')

if (!hasAccess) {
  console.log(`Access Denied: ${reason}`)
  // Trigger pricing paywall modal
} else {
  console.log(`Access Granted! Active Plan: ${subscription?.planId}`)
}

// 2. Get full user subscription details
const subDetails = await settle.subscriptions.getSubscription('user_123')
if (subDetails) {
  console.log(`Subscription status: ${subDetails.status}`)
}

// 3. Activate a subscription manually (e.g., upon successful checkout webhook confirmation)
const newSub = await settle.subscriptions.activate('user_123', 'plan_pro_monthly', {
  userEmail: 'user@example.com',
  billingMode: 'wallet_balance' // Supports 'wallet_balance' or 'paystack_recurrent'
})

// 4. Cancel subscription (defaults to cancel-at-period-end so user retains access until period expires)
const cancelled = await settle.subscriptions.cancel('user_123', 'plan_pro_monthly')
console.log(`Subscription will officially expire on: ${cancelled.currentPeriodEnd}`)

// Non-blocking and synchronous — events are batched and flushed in background thread
settle.events.track({
  userId: 'user_123',
  eventType: 'AI_QUERY',
  metadata: { model: 'gpt-4', tokens: 1500 }
})

// Query usage summary metrics for a user
const summary = await settle.events.getSummary('user_123')
console.log(`Total events tracked today: ${summary.totalCount}`)

const auth = await settle.auth.login({
  email: 'dev@example.com',
  password: 'securepassword',
})

// Set the access token to authenticate the SDK for developer configuration routes
settle.setAccessToken(auth.accessToken)

// Safe to call on every user login or profile update
await settle.users.sync({
  externalUserId: 'user_abc123',
  email: 'user@example.com',
  name: 'Tunde Adeyemi',
})

// 1. Bootstrap all UI config, plans, wallet balances, and active billing modes in a single call
const config = await settle.billing.bootstrap('user_123')
console.log('Theme Color:', config.uiConfig.themeColor)
console.log('Allowed Modes:', config.allowedBillingModes) // e.g. ['credits', 'subscription']

// 2. Reward ad credits upon completed video stream (calculated server-side)
const result = await settle.billing.rewardAd('user_123')
console.log(`Awarded ${result.creditsAwarded} credits. New balance: ${result.newBalance}`)

// 3. Report custom ad network impressions
await settle.billing.reportAdImpression('imp_abc123', 45) // 45 seconds duration

// 4. Developer Management (Requires JWT Auth)
const packages = await settle.billing.listPackages('app_123')
const newAction = await settle.billing.createAction('app_123', {
  eventType: 'PREMIUM_FEATURE',
  creditCost: 50
})

// Fetch ad-rewards earnings summary and ledger balances
const earnings = await settle.ads.getEarningsSummary()
console.log('Available for withdrawal:', earnings.balance.availableKobo)

// Withdraw earnings to your registered developer bank account
await settle.ads.withdrawEarnings(500000) // Withdraw ₦5,000 in kobo

// On server shutdown or process exit
await settle.destroy()