/* 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/. */

/* globals catcher, browser, navigator */

"use strict";

this.deviceInfo = (function() {
  const manifest = browser.runtime.getManifest();

  let platformInfo = {};
  catcher.watchPromise(
    browser.runtime.getPlatformInfo().then(info => {
      platformInfo = info;
    })
  );

  return function deviceInfo() {
    let match = navigator.userAgent.match(/Chrom(?:e|ium)\/([0-9.]{1,1000})/);
    const chromeVersion = match ? match[1] : null;
    match = navigator.userAgent.match(/Firefox\/([0-9.]{1,1000})/);
    const firefoxVersion = match ? match[1] : null;
    const appName = chromeVersion ? "chrome" : "firefox";

    return {
      addonVersion: manifest.version,
      platform: platformInfo.os,
      architecture: platformInfo.arch,
      version: firefoxVersion || chromeVersion,
      // These don't seem to apply to Chrome:
      // build: system.build,
      // platformVersion: system.platformVersion,
      userAgent: navigator.userAgent,
      appVendor: appName,
      appName,
    };
  };
})();