module Underworld
  module Generators
    # Generator responsible for `install` generator
    class InstallGenerator < Rails::Generators::Base
      source_root File.expand_path('../templates', __FILE__)

      desc 'Copy all the necessary files to use Underworld'
      class_option :orm

      def copy_migrations
        rake('underworld:install:migrations') unless options[:mongoid]
      end

      def install_model_discovery
        rake 'model_discovery_engine:install:migrations'
      end

      def copy_init_files
        template 'devise.rb', 'config/initializers/devise.rb'
        template 'underworld.rb', 'config/initializers/underworld.rb'
        template 'api_controller.rb', 'app/controllers/api_controller.rb'
        template 'dashboard_controller.rb', 'app/controllers/dashboard/application_controller.rb'
        template 'policy/application_policy.rb', 'app/policies/application_policy.rb'
      end

      def patch_seed
        prepend_to_file 'db/seeds.rb' do
          "Underworld::Engine.load_seed\n"
        end
      end

      def copy_js_manifest
        empty_directory 'app/assets/javascripts/dashboard'
        directory 'javascripts', 'app/assets/javascripts/dashboard'
      end


      def install_formtastic
        generate 'formtastic:install'
      end

      def configure_kaminari
        generate 'kaminari:config'
      end

      #def grunt_file
      #  template 'i18n/Gruntfile.js.erb', 'lib/tasks/grunt/Gruntfile.js'
      #end

      def copy_scss_manifest
        directory 'stylesheets', 'app/assets/stylesheets'
      end

      def install_routes
         route "end\n"
         route '  # Your dashboard routes goes here.'
         route "in_dashboard do"

         route "end\n"
         route '  # Your API routes goes here.'
         route 'api_routes do'

         route "mount Underworld::Engine => '/'\n"
      end

      def assets_manifests_initializer
        initializer 'underworld_assets.rb' do
          'Rails.application.config.assets.precompile += %w( underworld/simple.js )'
        end
      end

      def patch_application_controller
        inject_into_class "app/controllers/application_controller.rb", ApplicationController, "  extend Underworld::I18n::Locale\n"
      end

      def add_gems
        gem 'jquery-turbolinks'

        inside Rails.root do
          run 'bundle update'
        end
      end

      def append_assets_to_compile
        append_to_file 'config/initializers/assets.rb' do
          "Rails.application.config.assets.precompile += %w( dashboard/rtl/application.css dashboard/ltr/application.css)"
        end
      end

      def patch_formtastic
        append_to_file 'config/initializers/formtastic.rb' do
          'Formtastic::Helpers::FormHelper.builder = FormtasticBootstrap::FormBuilder'
        end
      end

      def show_readme
        readme 'README' if behavior == :invoke
      end

      private

      def angularjs_app_path
        path = Underworld::Engine.dashboard_js_manifest.split('/')[0..-2].join('/')
        "app/assets/javascripts/#{path}/"
      end
    end
  end
end