/*
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var fs = require('fs');
var path = require('path');

(function () {
  'use strict';

  module.exports = function (config) {
    // This tox venv is setup in the post-install npm step
    var toxPath = path.resolve('./.tox/npm');
    if (!toxPath) {
      console.error('xStatic libraries not found, please run `tox -e npm`');
      process.exit(1);
    }
    toxPath += '/lib/';
    toxPath += fs.readdirSync(toxPath).find(function(directory) {
      return directory.indexOf('python') === 0;
    });
    toxPath += '/site-packages/';

    config.set({
      preprocessors: {
        // Used to collect templates for preprocessing.
        // NOTE: the templates must also be listed in the files section below.
        './static/**/*.html': ['ng-html2js'],
        // Used to indicate files requiring coverage reports.
        './static/**/!(*.spec).js': ['coverage']
      },

      // Sets up module to process templates.
      ngHtml2JsPreprocessor: {
        prependPrefix: '/',
        moduleName: 'templates'
      },

      basePath: './',

      // Contains both source and test files.
      files: [
        /*
         * shim, partly stolen from /i18n/js/horizon/
         * Contains expected items not provided elsewhere (dynamically by
         * Django or via jasmine template.
         */
        '../test-shim.js',
        '../node_modules/string.prototype.endswith/*.js',

        // from jasmine.html
        toxPath + 'xstatic/pkg/jquery/data/jquery.js',
        toxPath + 'xstatic/pkg/angular/data/angular.js',
        toxPath + 'xstatic/pkg/angular/data/angular-route.js',
        toxPath + 'xstatic/pkg/angular/data/angular-mocks.js',
        toxPath + 'xstatic/pkg/angular/data/angular-cookies.js',
        toxPath + 'xstatic/pkg/angular_bootstrap/data/angular-bootstrap.js',
        toxPath + 'xstatic/pkg/angular_gettext/data/angular-gettext.js',
        toxPath + 'xstatic/pkg/angular/data/angular-sanitize.js',
        toxPath + 'xstatic/pkg/d3/data/d3.js',
        toxPath + 'xstatic/pkg/rickshaw/data/rickshaw.js',
        toxPath + 'xstatic/pkg/angular_smart_table/data/smart-table.js',
        toxPath + 'xstatic/pkg/angular_lrdragndrop/data/lrdragndrop.js',
        toxPath + 'xstatic/pkg/angular_fileupload/data/ng-file-upload-all.js',
        toxPath + 'xstatic/pkg/spin/data/spin.js',
        toxPath + 'xstatic/pkg/spin/data/spin.jquery.js',
        toxPath + 'xstatic/pkg/tv4/data/tv4.js',
        toxPath + 'xstatic/pkg/objectpath/data/ObjectPath.js',
        toxPath + 'xstatic/pkg/angular_schema_form/data/schema-form.js',
        toxPath + '/horizon/static/horizon/js/horizon.js',
        toxPath + '/horizon/static/horizon/js/horizon.uuid.js',

        /**
         * Include framework source code from horizon that we need.
         * Otherwise, karma will not be able to find them when testing.
         * These files should be mocked in the foreseeable future.
         */
        toxPath + 'horizon/static/framework/**/*.module.js',
        toxPath + 'horizon/static/framework/**/!(*.spec|*.mock).js',
        toxPath + 'openstack_dashboard/static/**/*.module.js',
        toxPath + 'openstack_dashboard/static/**/!(*.spec|*.mock).js',
        toxPath + 'openstack_dashboard/dashboards/**/static/**/*.module.js',
        toxPath + 'openstack_dashboard/dashboards/**/static/**/!(*.spec|*.mock).js',

        /**
         * First, list all the files that defines application's angular modules.
         * Those files have extension of `.module.js`. The order among them is
         * not significant.
         */
        './static/**/*.module.js',

        /**
         * Followed by other JavaScript files that defines angular providers
         * on the modules defined in files listed above. And they are not mock
         * files or spec files defined below. The order among them is not
         * significant.
         */
        './static/**/!(*.spec|*.mock).js',

        /**
         * Then, list files for mocks with `mock.js` extension. The order
         * among them should not be significant.
         */
        toxPath + 'openstack_dashboard/static/**/*.mock.js',

        /**
         * Finally, list files for spec with `spec.js` extension. The order
         * among them should not be significant.
         */
        './static/**/*.spec.js',

        /**
         * Angular external templates
         */
        './static/**/*.html'
      ],

      autoWatch: true,

      frameworks: ['jasmine', 'jasmine-matchers'],

      browsers: ['PhantomJS'],

      browserNoActivityTimeout: 60000,

      phantomjsLauncher: {
        // Have phantomjs exit if a ResourceError is encountered
        // (useful if karma exits without killing phantom)
        exitOnResourceError: true
      },

      reporters: ['progress', 'coverage', 'threshold'],

      plugins: [
        'karma-phantomjs-launcher',
        'karma-jasmine',
        'karma-jasmine-matchers',
        'karma-ng-html2js-preprocessor',
        'karma-coverage',
        'karma-threshold-reporter'
      ],

      // Places coverage report in HTML format in the subdirectory below.
      coverageReporter: {
        type: 'html',
        dir: '../cover/karma/'
      },

      // Coverage threshold values.
      thresholdReporter: {
        statements: 10, // target 100
        branches: 0, // target 100
        functions: 10, // target 100
        lines: 10 // target 100
      }
    });
  };

}());