cli

#!/usr/bin/env ruby
require "thor"

class CLI < Thor
  include Thor::Actions
  source_root File.expand_path('../template', __FILE__)

  desc "create_testapp", "Create TestApp"
  def create_testapp *args
    run "rails new testapp -O -G -T --skip-turbolinks"
    source_files = Dir['template/*'].map {|file| File.basename(file) } + ["node_modules"]
    inside "testapp" do
      append_to_file "Gemfile", "gem 'gulp_assets', path: '..'"
      run "bundle install"
      source_files.each do |file|
        create_link file, File.join("..", "template", file)
      end

      insert_into_file 'app/views/layouts/application.html.erb', after: /javascript_include_tag.*\n/ do
        "  <%= gulp_stylesheet %>\n" +
        "  <%= gulp_javascript %>\n"
      end
      
      create_file "config/routes.rb" do
        "Rails.application.routes.draw do\n" +
        "  root 'application#index'\n" +
        "end"
      end

      create_file "app/controllers/application_controller.rb" do
        "class ApplicationController < ActionController::Base\n" +
        "  protect_from_forgery with: :exception\n" +
        "  def index\n" +
        "  end\n" +
        "end"
      end

      create_file "app/views/application/index.html.erb"
    end
    inside "template" do
      run "npm install"
    end
  end
end

CLI.start(ARGV)