'use strict';
module.exports = function(grunt) {
  var os = require('os');
  var config = {
    pkg: grunt.file.readJSON('package.json'),
    baseDir: '.',
    srcDir: 'public',
    genDir: 'public_gen',
    destDir: 'dist',
    tempDir: 'tmp',
    platform: process.platform.replace('win32', 'windows'),
    enterprise: false,
    libc: null,
  };

  if (grunt.option('platform')) {
    config.platform = grunt.option('platform');
  }

  if (grunt.option('enterprise')) {
    config.enterprise = true;
  }

  if (grunt.option('arch')) {
    config.arch = grunt.option('arch');
  } else {
    config.arch = os.arch();

    if (process.platform.match(/^win/)) {
      config.arch = process.env.hasOwnProperty('ProgramFiles(x86)') ? 'x64' : 'x86';
    }
  }

  if (grunt.option('libc')) {
    config.libc = grunt.option('libc');
  }

  config.pkg.version = grunt.option('pkgVer') || config.pkg.version;

  console.log('Version', config.pkg.version);

  // load plugins
  require('load-grunt-tasks')(grunt);

  // load task definitions
  grunt.loadTasks('./scripts/grunt');

  // Utility function to load plugin settings into config
  function loadConfig(config, path) {
    require('glob')
      .sync('*', { cwd: path })
      .forEach(function(option) {
        var key = option.replace(/\.js$/, '');
        // If key already exists, extend it. It is your responsibility to avoid naming collisions
        config[key] = config[key] || {};
        grunt.util._.extend(config[key], require(path + option)(config, grunt));
      });
    // technically not required
    return config;
  }

  // Merge that object with what with whatever we have here
  loadConfig(config, './scripts/grunt/options/');
  // pass the config to grunt
  grunt.initConfig(config);
};