/* 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';

const { contract } = require('sdk/util/contract');
const { isValidURI } = require('sdk/url');

let string = { is: ['string'] };

exports.contract = contract({
  id: {
  	is: [ 'string' ],
  	ok: function (v) /^[a-z0-9-_]+$/i.test(v),
    msg: 'The option "id" must be a valid alphanumeric id (hyphens and ' +
         'underscores are allowed).'
  },
  title: {
  	is: [ 'string' ],
  	ok: function (v) v.length
  },
  url: {
    is: [ 'string' ],
    ok: function(url) {
      return isValidURI(url);
    },
    map: function(v) v.toString(),
    msg: 'The option "url" must be a valid URI.'
  }
});