(function() {
    'use strict';

    var getModulesList = function(modules) {
        return modules.map(function(moduleName) {
            return {name: moduleName};
        });
    };

    var jsOptimize = process.env.REQUIRE_BUILD_PROFILE_OPTIMIZE !== undefined ?
        process.env.REQUIRE_BUILD_PROFILE_OPTIMIZE : 'uglify2';

    return {
        namespace: 'RequireJS',
        /**
         * List the modules that will be optimized. All their immediate and deep
         * dependencies will be included in the module's file when the build is
         * done.
         */
        modules: getModulesList([
            'course_bookmarks/js/course_bookmarks_factory',
            'course_search/js/course_search_factory',
            'course_search/js/dashboard_search_factory',
            'discussion/js/discussion_board_factory',
            'discussion/js/discussion_profile_page_factory',
            'js/api_admin/catalog_preview_factory',
            'js/courseware/courseware_factory',
            'js/discovery/discovery_factory',
            'js/edxnotes/views/notes_visibility_factory',
            'js/edxnotes/views/page_factory',
            'js/financial-assistance/financial_assistance_form_factory',
            'js/groups/views/cohorts_dashboard_factory',
            'js/discussions_management/views/discussions_dashboard_factory',
            'js/header_factory',
            'js/learner_dashboard/course_entitlement_factory',
            'js/learner_dashboard/unenrollment_factory',
            'js/learner_dashboard/entitlement_unenrollment_factory',
            'js/learner_dashboard/program_details_factory',
            'js/learner_dashboard/program_list_factory',
            'js/student_account/logistration_factory',
            'js/student_account/views/account_settings_factory',
            'js/student_account/views/finish_auth_factory',
            'js/views/message_banner',
            'learner_profile/js/learner_profile_factory',
            'lms/js/preview/preview_factory',
            'support/js/certificates_factory',
            'support/js/enrollment_factory',
            'support/js/manage_user_factory',
            'teams/js/teams_tab_factory',
            'js/dateutil_factory'
        ]),

        /**
         * By default all the configuration for optimization happens from the command
         * line or by properties in the config file, and configuration that was
         * passed to requirejs as part of the app's runtime "main" JS file is *not*
         * considered. However, if you prefer the "main" JS file configuration
         * to be read for the build so that you do not have to duplicate the values
         * in a separate configuration, set this property to the location of that
         * main JS file. The first requirejs({}), require({}), requirejs.config({}),
         * or require.config({}) call found in that file will be used.
         * As of 2.1.10, mainConfigFile can be an array of values, with the last
         * value's config take precedence over previous values in the array.
         */
        mainConfigFile: 'require-config.js',
        /**
         * Set paths for modules. If relative paths, set relative to baseUrl above.
         * If a special value of "empty:" is used for the path value, then that
         * acts like mapping the path to an empty file. It allows the optimizer to
         * resolve the dependency to path, but then does not include it in the output.
         * Useful to map module names that are to resources on a CDN or other
         * http: URL when running in the browser and during an optimization that
         * file should be skipped because it has no dependencies.
         */
        paths: {
            gettext: 'empty:',
            'coffee/src/ajax_prefix': 'empty:',
            jquery: 'empty:',
            'jquery-migrate': 'empty:',
            'jquery.cookie': 'empty:',
            'jquery.url': 'empty:',
            backbone: 'empty:',
            underscore: 'empty:',
            'underscore.string': 'empty:',
            logger: 'empty:',
            utility: 'empty:',
            URI: 'empty:',
            'common/js/discussion/views/discussion_inline_view': 'empty:',
            modernizr: 'empty',
            'which-country': 'empty',

            // Don't bundle UI Toolkit helpers as they are loaded into the "edx" namespace
            'edx-ui-toolkit/js/utils/html-utils': 'empty:',
            'edx-ui-toolkit/js/utils/string-utils': 'empty:'
        },

        /**
         * Inline requireJS text templates.
         */
        inlineText: true,

        /**
         * Stub out requireJS text in the optimized file, but leave available for non-optimized development use.
         */
        stubModules: ['text'],

        /**
         * If shim config is used in the app during runtime, duplicate the config
         * here. Necessary if shim config is used, so that the shim's dependencies
         * are included in the build. Using "mainConfigFile" is a better way to
         * pass this information though, so that it is only listed in one place.
         * However, if mainConfigFile is not an option, the shim config can be
         * inlined in the build config.
         */
        shim: {},
        /**
         * Introduced in 2.1.2: If using "dir" for an output directory, normally the
         * optimize setting is used to optimize the build bundles (the "modules"
         * section of the config) and any other JS file in the directory. However, if
         * the non-build bundle JS files will not be loaded after a build, you can
         * skip the optimization of those files, to speed up builds. Set this value
         * to true if you want to skip optimizing those other non-build bundle JS
         * files.
         */
        skipDirOptimize: true,
        /**
         * When the optimizer copies files from the source location to the
         * destination directory, it will skip directories and files that start
         * with a ".". If you want to copy .directories or certain .files, for
         * instance if you keep some packages in a .packages directory, or copy
         * over .htaccess files, you can set this to null. If you want to change
         * the exclusion rules, change it to a different regexp. If the regexp
         * matches, it means the directory will be excluded. This used to be
         * called dirExclusionRegExp before the 1.0.2 release.
         * As of 1.0.3, this value can also be a string that is converted to a
         * RegExp via new RegExp().
         */
        fileExclusionRegExp: /^\.|spec|spec_helpers/,
        /**
         * Allow CSS optimizations. Allowed values:
         * - "standard": @import inlining and removal of comments, unnecessary
         * whitespace and line returns.
         * Removing line returns may have problems in IE, depending on the type
         * of CSS.
         * - "standard.keepLines": like "standard" but keeps line returns.
         * - "none": skip CSS optimizations.
         * - "standard.keepComments": keeps the file comments, but removes line
         * returns.  (r.js 1.0.8+)
         * - "standard.keepComments.keepLines": keeps the file comments and line
         * returns. (r.js 1.0.8+)
         * - "standard.keepWhitespace": like "standard" but keeps unnecessary whitespace.
         */
        optimizeCss: 'none',
        /**
         * How to optimize all the JS files in the build output directory.
         * Right now only the following values are supported:
         * - "uglify": Uses UglifyJS to minify the code.
         * - "uglify2": Uses UglifyJS2.
         * - "closure": Uses Google's Closure Compiler in simple optimization
         * mode to minify the code. Only available if REQUIRE_ENVIRONMENT is "rhino" (the default).
         * - "none": No minification will be done.
         */
        optimize: jsOptimize,
        /**
         * Sets the logging level. It is a number:
         * TRACE: 0,
         * INFO: 1,
         * WARN: 2,
         * ERROR: 3,
         * SILENT: 4
         * Default is 0.
         */
        logLevel: 1
    };
}());
