// Tun on full stack traces in errors to help debugging
Error.stackTraceLimit = Infinity;

jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000;

// // Cancel Karma's synchronous start,
// // we will call `__karma__.start()` later, once all the specs are loaded.
__karma__.loaded = function() {};

System.config({
  packages: {
    'base/dist': {
      defaultExtension: 'js',
      format: 'register',
      map: Object.keys(window.__karma__.files).filter(onlyAppFiles).reduce(createPathRecords, {})
    }
  }
});

System.import('angular2/src/platform/browser/browser_adapter')
  .then(function(browser_adapter) { browser_adapter.BrowserDomAdapter.makeCurrent(); })
  .then(function() { return Promise.all(resolveTestFiles()); })
  .then(
    function() {
      __karma__.start();
    },
    function(error) {
      __karma__.error(error.stack || error);
    }
  );

function createPathRecords(pathsMapping, appPath) {
  // creates local module name mapping to global path with karma's fingerprint in path, e.g.:
  // './vg-player/vg-player':
  // '/base/dist/vg-player/vg-player.js?f4523daf879cfb7310ef6242682ccf10b2041b3e'
  var moduleName = './' + resolveKeyPathForMapping('base/dist/', appPath);
  moduleName = moduleName.replace(/\.js$/, '');
  pathsMapping[moduleName] = appPath + '?' + window.__karma__.files[appPath];
  return pathsMapping;
}

function onlyAppFiles(filePath) {
  return /\/base\/dist\/(?!.*\.spec\.js$).*\.js$/.test(filePath);
}

function onlySpecFiles(path) {
  return /\.spec\.js$/.test(path);
}

function resolveTestFiles() {
  return Object.keys(window.__karma__.files)  // All files served by Karma.
    .filter(onlySpecFiles)
    .map(function(moduleName) {
      // loads all spec files via their global module names (e.g.
      // 'base/dist/vg-player/vg-player.spec')
      return System.import(moduleName);
    });
}

function resolveKeyPathForMapping(basePathWhereToStart, appPath) {
  var location = appPath.indexOf(basePathWhereToStart);
  if (location > -1) {
    return appPath.substring(basePathWhereToStart.length + 1);
  } else {
    return appPath;
  }
}