// Package.swift
.package(url: "https://github.com/sunnyside-io/privacy-boost-ios", from: "0.2.0"),

import PrivacyBoost
import PrivacyBoostDefaults  // optional delegate helpers

import PrivacyBoost

let config = PrivacyBoostConfig(
    serverUrl: "https://optimism.sepolia.privacyboost.io",
    chainId: nil,                    // discovered from server
    shieldContractAddress: nil,      // discovered from server
    wethContractAddress: "0x4200000000000000000000000000000000000006",
    teePublicKey: nil,
    appId: "app_abc123xyz",
    persistenceStorage: nil,
    persistenceUnlock: nil
)

let sdk = try PrivacyBoost(config: config)

// Authenticate with a WalletDelegate you implement
let result = try await sdk.authenticate(
    wallet: myWalletDelegate,
    keySource: .walletDerived,
    tokenProvider: nil
)

switch result {
case .authenticated(let login):
    print("Privacy address:", login.privacyAddress)
case .credentialRequired(let challenge):
    // Prompt user for PIN/biometric, then call sdk.submitCredential(...)
    break
case .mnemonicGenerated(let mnemonic):
    // First-time user — display mnemonic, then call sdk.proceedAfterMnemonic(...)
    break
case .recoveryRequired:
    // Vault is in a recovery state — see Authentication concepts
    break
}

// Shield 1 ETH-equivalent of WETH
let amount = try sdk.parseAmount("1.0", decimals: 18)
let shielded = try await sdk.shield(
    tokenAddress: "0x4200000000000000000000000000000000000006",
    amount: amount
)
print("Shield tx:", shielded.txHash)