/**
 * Service for managing localStorage operations for wallet connections
 */
export class StorageService {
  private readonly STORAGE_KEY_SOLANA_WALLETS = 'uwc_connected_solana_wallets'

  /**
   * Get previously connected Solana wallet UUIDs from localStorage
   */
  getStoredSolanaWalletUUIDs(): string[] {
    try {
      const stored = localStorage.getItem(this.STORAGE_KEY_SOLANA_WALLETS)
      return stored ? JSON.parse(stored) : []
    } catch {
      return []
    }
  }

  /**
   * Store a Solana wallet UUID as connected in localStorage
   */
  storeSolanaWalletUUID(uuid: string): void {
    try {
      const existing = this.getStoredSolanaWalletUUIDs()
      if (!existing.includes(uuid)) {
        existing.push(uuid)
        localStorage.setItem(
          this.STORAGE_KEY_SOLANA_WALLETS,
          JSON.stringify(existing)
        )
      }
    } catch {
      // Silently fail if localStorage is not available
    }
  }

  /**
   * Check if a Solana wallet UUID was previously connected
   */
  wasSolanaWalletPreviouslyConnected(uuid: string): boolean {
    const storedUUIDs = this.getStoredSolanaWalletUUIDs()
    return storedUUIDs.includes(uuid)
  }
}