import { LocalAccount } from 'viem';

// Import OpenPGPSlot from parent package
import type { OpenPGPSlot } from '@l8d/hardhat-yubikey/dist/src/internal/openpgp-apdu.js';

/**
 * A viem LocalAccount that uses a YubiKey for signing
 */
export type YubikeyAccount = LocalAccount<'yubikey'> & {
  /**
   * The OpenPGP slot being used for signing
   */
  slot: OpenPGPSlot;

  /**
   * The public key associated with this account
   */
  publicKey: `0x${string}`;
};

/**
 * Configuration options for creating a YubiKey account
 */
export interface YubikeyAccountConfig {
  /**
   * The Ethereum address controlled by the YubiKey
   */
  address: `0x${string}`;

  /**
   * Optional: Explicitly specify which OpenPGP slot to use
   * If not provided, the slot will be auto-discovered
   */
  slot?: OpenPGPSlot;

  /**
   * Optional: OpenPGP card PIN (default: "123456")
   * Required for signing operations
   */
  pin?: string;

  /**
   * Optional: Timeout for signing operations in milliseconds (default: 30000)
   */
  timeout?: number;

  /**
   * Optional: Enable debug logging
   */
  debug?: boolean;
}

/**
 * Cached slot information for an address
 */
export interface CachedSlotInfo {
  address: string;
  slot: OpenPGPSlot;
  publicKey: string;
  timestamp: number;
}

/**
 * Cache storage format
 */
export interface SlotCache {
  [address: string]: CachedSlotInfo;
}