require('./src/babel-register');

module.exports = function (grunt) {
  // set the config once before calling load-grunt-config
  // and once during so that we have access to it via
  // grunt.config.get() within the config files
  const config = {
    pkg: grunt.file.readJSON('package.json'),
    root: __dirname,
    src: __dirname + '/src',
    buildDir: __dirname + '/build', // temporary build directory
    plugins: __dirname + '/src/core_plugins',
    server: __dirname + '/src/server',
    target: __dirname + '/target', // location of the compressed build targets
    configFile: __dirname + '/src/config/kibana.yml',

    karmaBrowser: (function () {
      if (grunt.option('browser')) {
        return grunt.option('browser');
      }

      switch (require('os').platform()) {
        case 'win32':
          return 'IE';
        default:
          return 'Chrome';
      }
    }()),

    nodeVersion: grunt.file.read('.node-version').trim(),

    meta: {
      banner: '/*! <%= package.name %> - v<%= package.version %> - ' +
        '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
        '<%= package.homepage ? " * " + package.homepage + "\\n" : "" %>' +
        ' * Copyright (c) <%= grunt.template.today("yyyy") %> <%= package.author.company %>;' +
        ' Licensed <%= package.license %> */\n'
    },
  };

  grunt.config.merge(config);

  // must run before even services/platforms
  grunt.config.set('build', require('./tasks/config/build')(grunt));

  config.packageScriptsDir = __dirname + '/tasks/build/package_scripts';
  // ensure that these run first, other configs need them
  config.services = require('./tasks/config/services')(grunt);
  config.platforms = require('./tasks/config/platforms')(grunt);

  grunt.config.merge(config);

  // load plugins
  require('load-grunt-config')(grunt, {
    configPath: __dirname + '/tasks/config',
    init: true,
    config: config,
    loadGruntTasks: {
      pattern: ['grunt-*', '@*/grunt-*', 'gruntify-*', '@*/gruntify-*']
    }
  });

  // load task definitions
  grunt.task.loadTasks('tasks');
  grunt.task.loadTasks('tasks/build');
};