/** Upload a password to the server
 * @param {string} password Encryptes password
 * @param {number} expiresIn Number of seconds in which the password will expire
 * @returns {Promise<string>}
 */
async function uploadPassword(password, expiresIn) {
  const res = await fetch("/api/password", {
    method: "POST",
    body: JSON.stringify({
      password: password,
      "expires-in": expiresIn,
    }),
  });
  if (!res.ok) {
    const msg = await res.text();
    throw new Error(`Failed to upload password: ${res.status}: ${msg}`);
  }

  const json = await res.json();
  return json.id;
}

/** Check if the server knows about the password
 * @param {string} id Password ID
 * @returns {Promise<bool>}
 */
async function hasPassword(id) {
  const res = await fetch(`/api/password/${id}`, {
    method: "HEAD",
  });
  if (res.status == 404) {
    return false;
  }
  if (res.status == 204) {
    return true;
  }

  throw new Error(`Failed to check if password exists: ${res.status}: ${msg}`);
}

/** Get a password from the server
 * @param {string} id Password ID
 * @returns {Promise<string>}
 */
async function getPassword(id) {
  const res = await fetch(`/api/password/${id}`);
  if (!res.ok) {
    const msg = await res.text();
    throw new Error(`Failed to get password: ${res.status}: ${msg}`);
  }

  const json = await res.json();
  return json.password;
}