var _ = require('underscore');

// Browsers to run on Sauce Labs platforms

var sauceBrowsers = _.reduce([

  ['firefox', '35'],

  ['firefox', '30'],

  ['firefox', '21'],

  ['firefox', '11'],

  ['firefox', '4'],

  ['chrome', '40'],

  ['chrome', '39'],

  ['chrome', '31'],

  ['chrome', '26'],

  ['internet explorer', '11', 'Windows 8.1'],

  ['internet explorer', '10', 'Windows 8'],

  ['internet explorer', '9', 'Windows 7'],

  ['internet explorer', '8'],

  ['internet explorer', '7', 'Windows XP'],

  // ['internet explorer', '6', 'Windows XP'],

  ['opera', '12'],

  ['opera', '11'],

  ['android', '5'],

  ['android', '4.4'],

  ['android', '4.3'],

  ['android', '4.0'],

  ['safari', '8.0', 'OS X 10.10'],

  ['safari', '7'],

  ['safari', '6'],

  ['safari', '5']

], function(memo, platform) {

  // internet explorer -> ie

  var label = platform[0].split(' ');

  if (label.length > 1) {

    label = _.invoke(label, 'charAt', 0)

  }

  label = (label.join("") + '_v' + platform[1]).replace(' ', '_').toUpperCase();

  memo[label] = _.pick({

    'base': 'SauceLabs',

    'browserName': platform[0],

    'version': platform[1],

    'platform': platform[2]

  }, Boolean);

  return memo;

}, {});

module.exports = function(config) {

  if ( !process.env.SAUCE_USERNAME || !process.env.SAUCE_ACCESS_KEY ) {

    console.log('Sauce environments not set --- Skipping');

    return process.exit(0);

  }

  config.set({

    basePath: '',

    frameworks: ['qunit'],

    singleRun: true,

    // list of files / patterns to load in the browser

    files: [

        'test/vendor/jquery.js',

        'test/vendor/json2.js',

        'test/vendor/underscore.js',

        'backbone.js',

        'test/setup/*.js',

        'test/*.js'

    ],

    // test results reporter to use

    reporters: ['dots', 'saucelabs'],

    port: 9876,

    colors: true,

    logLevel: config.LOG_INFO,

    sauceLabs: {

      build: 'TRAVIS #' + process.env.TRAVIS_BUILD_NUMBER + ' (' + process.env.TRAVIS_BUILD_ID + ')',

      startConnect: true,

      tunnelIdentifier: process.env.TRAVIS_JOB_NUMBER

    },

    captureTimeout: 120000,

    customLaunchers: sauceBrowsers,

    // Browsers to launch, commented out to prevent karma from starting

    // too many concurrent browsers and timing sauce out.

    browsers: _.keys(sauceBrowsers)

  });

};