module SpreeSimpleSubscribers
  module Generators
    class InstallGenerator < Rails::Generators::Base
      class_option :auto_run_migrations, type: :boolean, default: false

      def add_javascripts
        append_file 'vendor/assets/javascripts/spree/frontend/all.js',
                    "//= require spree/frontend/spree_simple_subscribers\n"
        append_file 'vendor/assets/javascripts/spree/backend/all.js',
                    "//= require spree/backend/spree_simple_subscribers\n"
      end

      def add_stylesheets
        inject_into_file 'vendor/assets/stylesheets/spree/frontend/all.css',
                         " *= require spree/frontend/spree_simple_subscribers\n",
                         before: %r{\*\/}, verbose: true
        inject_into_file 'vendor/assets/stylesheets/spree/backend/all.css',
                         " *= require spree/backend/spree_simple_subscribers\n",
                         before: %r{\*\/}, verbose: true
      end

      def add_migrations
        run 'bundle exec rake railties:install:migrations FROM=spree_simple_subscribers'
      end

      def run_migrations
        run_migrations = options[:auto_run_migrations] ||
                         ['', 'y', 'Y'].include?(ask('Would you like to run /
 the migrations now? [Y/n]'))

        if run_migrations
          run 'bundle exec rake db:migrate'
        else
          puts 'Skipping rake db:migrate, don\'t forget to run it!'
        end
      end
    end
  end
end
