import React, { createContext, useContext, useMemo } from 'react';
import { Mailbox } from '../utils/mailbox.js';

const MailboxContext = createContext<Mailbox | undefined>(undefined);

type Props = {
  children: React.ReactNode;
};

export function MailboxProvider({ children }: Props): React.ReactNode {
  const mailbox = useMemo(() => new Mailbox(), []);
  return <MailboxContext.Provider value={mailbox}>{children}</MailboxContext.Provider>;
}

export function useMailbox(): Mailbox {
  const mailbox = useContext(MailboxContext);
  if (!mailbox) {
    throw new Error('useMailbox must be used within a MailboxProvider');
  }
  return mailbox;
}