# frozen_string_literal: true

require_relative "../../lib/plutonium_generators"

module Pu
  module Core
    class AssetsGenerator < Rails::Generators::Base
      include PlutoniumGenerators::Generator

      source_root File.expand_path("templates", __dir__)

      desc "Setup plutonium assets"

      def start
        install_dependencies
        copy_tailwind_config
        configure_application
        replace_build_script
        import_styles
      rescue => e
        exception "#{self.class} failed:", e
      end

      private

      def copy_tailwind_config
        copy_file "tailwind.config.js", force: true
        copy_file "postcss.config.js", force: true
      end

      def install_dependencies
        run "yarn add @radioactive-labs/plutonium flowbite @tailwindcss/forms @tailwindcss/typography flowbite-typography postcss-cli cssnano"
      end

      def configure_application
        insert_into_file "app/javascript/controllers/index.js", <<~EOT

          import { registerControllers } from "@radioactive-labs/plutonium"
          registerControllers(application)
        EOT

        configure_plutonium "config.assets.stylesheet = \"application\""
        configure_plutonium "config.assets.script = \"application\""
      end

      def replace_build_script
        gsub_file "package.json",
          /"build:css":.*/,
          '"build:css": "postcss ./app/assets/stylesheets/application.tailwind.css -o ./app/assets/builds/application.css"'
      end

      def import_styles
        prepend_to_file "app/assets/stylesheets/application.tailwind.css",
          "@import \"gem:plutonium/src/css/plutonium.css\";\n\n"
      end
    end
  end
end