'use strict';

/* jshint node: true */

var utils = require('utils');

function createPresetsFile(options) {
  var presetsFile = utils.getFile(options.APP_DIR, 'js/common', 'presets.js');

  var config = JSON.parse(
    utils.getFileContent(
      utils.getFile(options.APP_DIR, 'build', 'config.json')
    )
  );

  var presets = utils.getDistributionFileContent(
    'calendar',
    config,
    options.GAIA_DISTRIBUTION_DIR
  );

  utils.writeContent(presetsFile, 'define(' + presets + ');');
}

exports.execute = function(options) {
  var appName = utils.basename(options.APP_DIR);
  var config = utils.getFile(options.APP_DIR, 'build', 'calendar.build.js');
  var rjsPath = utils.joinPath(options.GAIA_DIR, 'build', 'r.js');
  var requirejs;

  if (utils.isNode()) {
    requirejs = require(rjsPath);
  } else {
    var sandbox = utils.createSandbox();
    sandbox.arguments = [];
    sandbox.requirejsAsLib = true;
    sandbox.print = function() {
      utils.log(appName, Array.prototype.join.call(arguments, ' '));
    };
    utils.runScriptInSandbox(rjsPath, sandbox);
    requirejs = sandbox.requirejs;
  }

  createPresetsFile(options);

  // logLevel set 4 for silent, set 0 for all
  var log = 'logLevel=' + (options.VERBOSE === '1' ? '0' : '4');
  var optimize = 'optimize=none';
  var build = new Promise(function(resolve, reject) {
    requirejs.optimize([config.path, optimize, log], resolve, reject);
  });

  return build
    .then(function() {
      utils.log(appName, 'require.js optimize done');
    }).catch(function(err) {
      utils.log(appName, 'require.js optimize failed');
      utils.log(appName, err);
    });
};