module Cmor::Seo::Frontend
  module Generators
    class InstallGenerator < Rails::Generators::Base
      desc 'Generates the initializer'

      source_root File.expand_path('../templates', __FILE__)

      attr_reader :base_controller_class_name

      def initialize(*args)
        super
        @base_controller_class_name = ENV.fetch('BASE_CONTROLLER_CLASS_NAME') { '::ApplicationController' }
      end

      def generate_initializer
        template 'initializer.rb', 'config/initializers/cmor_seo_frontend.rb'
      end

      def generate_routes
        route File.read(File.join(File.expand_path('../templates', __FILE__), 'routes.source'))
      end

      def mount_application_view_helper
        inject_into_file 'app/controllers/application_controller.rb', before: "end\n" do
          "  view_helper Cmor::Seo::Frontend::ApplicationViewHelper, as: :seo_helper\n"
        end
      end
    end
  end
end