/* 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/. */

"use strict";

/**
 * online.singaporepools.com - Shows an 'unsupported browser' alert
 * Bug #1930440 - https://bugzilla.mozilla.org/show_bug.cgi?id=1930440
 * WebCompat issue #143685 - https://webcompat.com/issues/143685
 *
 * We can intercept the call to alert and hide it, as well as hide the
 * additional in-page support message that they show to all browsers.
 */

if (!window.__firefoxWebCompatFixBug1923286) {
  Object.defineProperty(window, "__firefoxWebCompatFixBug1923286", {
    configurable: false,
    value: true,
  });

  console.info(
    "window.alert is being overriden for compatibility reasons. See https://bugzilla.mozilla.org/show_bug.cgi?id=1923286 for details."
  );

  new MutationObserver(mutations => {
    for (let { addedNodes } of mutations) {
      for (const node of addedNodes) {
        try {
          if (
            node.matches(".alert.views-row") &&
            node.innerText.includes("Chrome")
          ) {
            node.remove();
          }
        } catch (_) {}
      }
    }
  }).observe(document.documentElement, {
    childList: true,
    subtree: true,
  });

  const originalAlert = window.alert;
  window.alert = function (msg) {
    if (!msg?.toLowerCase?.().includes("unsupported browser")) {
      originalAlert(msg);
    }
  };
}
