function randomString(length = 10) {
  const chars = "abcdefghijklmnopqrstuvwxyz0123456789";
  let result = "";
  for (let i = 0; i < length; i++) {
    result += chars[Math.floor(Math.random() * chars.length)];
  }
  return result;
}

async function generateEmail() {

  const settings = await browser.storage.local.get([
    "server",
    "domain",
    "apikey"
  ]);

  const email = `${randomString()}@${settings.domain}`;

  const res = await fetch(`${settings.server}/api/v1/add/alias`, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "X-API-Key": settings.apikey
    },
    body: JSON.stringify({
      address: email,
      goto: `catchall@${settings.domain}`,
      active: "1"
    })
  });

  document.getElementById("result").textContent = email;
}

document.getElementById("generate").addEventListener("click", generateEmail);