/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// First, parse and save the incoming arguments ("?storage=name&context=key")
// Note: window.location.search doesn't work with nsSimpleURIs used for about:* addresses.
var search = window.location.href.match(/^.*\?(.*)$/);
var searchParams = new URLSearchParams(search ? search[1] : "");
var storage = searchParams.get("storage") || "";
var cacheContext = searchParams.get("context");

// The context is in a format as used by the HTTP cache v2 back end
if (cacheContext) {
  var [context, isAnon, isInBrowser, isPrivate] = cacheContext.match(
    /(a,)?(b,)?(p,)?/
  );
}

function $(id) {
  return document.getElementById(id) || {};
}

// Initialize the context UI controls at the start according what we got in the "context=" argument
addEventListener(
  "DOMContentLoaded",
  function() {
    $("anon").checked = !!isAnon;
    $("priv").checked = !!isPrivate;
  },
  false
);

// When user presses the [Update] button, we build a new context key according the UI control
// values and navigate to a new about:cache?storage=<name>&context=<key> URL.
function navigate() {
  context = "";
  if ($("anon").checked) {
    context += "a,";
  }

  if ($("priv").checked) {
    context += "p,";
  }

  window.location.href =
    "about:cache?storage=" + storage + "&context=" + context;
}

let submitButton = document.getElementById("submit");
submitButton.addEventListener("click", navigate);