/**
 * @license
 * Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */

var VERSION = '1.0';

function deserializeUrlParams(queryString) {
  return new Map(queryString.split('&').map(function(keyValuePair) {
    var splits = keyValuePair.split('=');
    var key = decodeURIComponent(splits[0]);
    var value = decodeURIComponent(splits[1]);
    if (value.indexOf(',') >= 0) {
      value = value.split(',');
    }

    return [key, value];
  }));
}

self.params = deserializeUrlParams(location.search.substring(1));

if (params.get('version') !== VERSION) {
  throw 'The registered script is version ' + VERSION +
        ' and cannot be used with <platinum-sw-register> version ' + params.get('version');
}

if (params.has('importscript')) {
  var scripts = params.get('importscript');
  if (Array.isArray(scripts)) {
    importScripts.apply(null, scripts);
  } else {
    importScripts(scripts);
  }
}

if (params.get('skipWaiting') === 'true' && self.skipWaiting) {
  self.addEventListener('install', function(e) {
    e.waitUntil(self.skipWaiting());
  });
}

if (params.get('clientsClaim') === 'true' && self.clients && self.clients.claim) {
  self.addEventListener('activate', function(e) {
    e.waitUntil(self.clients.claim());
  });
}