type Email = {
  Subject: string;
  ID: string;
  From: { Address: string; Name: string };
  To: Array<{ Address: string; Name: string }>;
};

type AllEmails = {
  messages: Email[];
  total: number;
  count: number;
};

// TODO: Remove MAILHOG_HOST in a few months
// We renamed MailHog to MailPit, but kept the same port and API
// This is to keep backward compatibility with existing setups
// that might still use MAILHOG_HOST environment variable
const host =
  process.env.MAILPIT_HOST || process.env.MAILHOG_HOST || 'localhost';

export const getAllEmails = async (): Promise<AllEmails> => {
  const res = await fetch(`http://${host}:8025/api/v1/messages`);
  return res.json() as Promise<AllEmails>;
};

export const getFirstEmail = (allEmails: { messages: Email[] }) => {
  return allEmails.messages[0];
};

export const getSubject = (email: { Subject: string }) => {
  return email.Subject;
};

export const deleteAllEmails = async () => {
  await fetch(`http://${host}:8025/api/v1/messages`, {
    method: 'DELETE'
  });
};