import type { ClientStorage } from './storage'

const TRANSACTION_STORAGE_KEY_PREFIX = 'a0.spajs.txs'

interface Transaction {
  nonce: string
  scope: string
  audience: string
  appState?: any
  code_verifier: string
  redirect_uri: string
  organizationId?: string
  state?: string
}

export default class TransactionManager {
  private transaction: Transaction | undefined
  private storageKey: string

  constructor(private storage: ClientStorage, private clientId: string) {
    this.storageKey = `${TRANSACTION_STORAGE_KEY_PREFIX}.${this.clientId}`
    this.transaction = this.storage.get(this.storageKey)
  }

  public create(transaction: Transaction) {
    this.transaction = transaction

    this.storage.save(this.storageKey, transaction, {
      daysUntilExpire: 1,
    })
  }

  public get(): Transaction | undefined {
    return this.transaction
  }

  public remove() {
    delete this.transaction
    this.storage.remove(this.storageKey)
  }
}