const envato_at__SKIPPED_HOSTNAMES = [
  'localhost',
  'landing-page-cms.envato.net',
  'landing-page-cms.envato-staging.net',
  'envato.com',
  'elements.envato.com'
];

const envato_at__FETCH_OPTIONS = {
  headers: {
    'X-Requested-With': 'XMLHttpRequest'
  }
};

/**
 * Throw an error unless response is OK.
 * @param {Response} response
 * @returns {Promise<object | number | string | Array<object | number | string | array>>} response JSON body
 */
function envato_at__handleFetchJsonResponse(response) {
  if (!response.ok) {
    throw new Error(`${response.url} responded with status: ${response.status} ${response.statusText}`);
  }

  return response.json();
}

/**
 * Log an error to the console.
 * @param {Error} error
 */
function envato_at__handleFetchError(error) {
  console.error({ error });
}

/**
 * Create the indite href.
 * @param {string} location
 * @param {string} referrer
 * @returns {string} href
 */
function envato_at__inditeHref(location, referrer) {
  const searchParams = new URLSearchParams(location.search);

  searchParams.set('url', location.href);
  searchParams.set('referrer', referrer);

  return `/consociate/indite?${searchParams.toString()}`;
}

/**
 * Perform inditement and maybe redirect based on response.
 * @param {string} location
 * @param {string} referrer
 */
function envato_at__inditeAndMaybeRedirect(location, referrer) {
  const href = envato_at__inditeHref(location, referrer);

  fetch(href, envato_at__FETCH_OPTIONS)
    .then(envato_at__handleFetchJsonResponse)
    .then(({ redirect: shouldRedirect, redirect_url: redirectUrl }) => {
      if (shouldRedirect) location.href = redirectUrl;
    })
    .catch(envato_at__handleFetchError);
}

/**
 * Withdraw inditement.
 */
// eslint-disable-next-line no-unused-vars
function envato_at__recant() {
  fetch('/consociate/recant', envato_at__FETCH_OPTIONS)
    .then(envato_at__handleFetchJsonResponse)
    .catch(envato_at__handleFetchError);
}

/**
 * Initiate inditement.
 */
if (!envato_at__SKIPPED_HOSTNAMES.includes(window.location.hostname)) {
  envato_at__inditeAndMaybeRedirect(window.location, document.referrer);
}