# encoding: utf-8

module PagesCore
  module Generators
    class InstallGenerator < Rails::Generators::Base
      desc "Creates the Pages configuration"
      source_root File.expand_path("../templates", __FILE__)

      def default_app_name
        Rails.root.to_s.split("/").last
      end

      def read_configuration!
        @app_name ||= ask_with_fallback("App name?", default_app_name)
        @site_name ||= ask_with_fallback("Site name?", @app_name.humanize)
        @domain_name ||= ask_with_fallback("Domain name?", "#{@app_name}.no")

        @default_sender ||= ask_with_fallback(
          "Default sender?",
          "no-reply@#{@domain_name}"
        )

        @sphinx_port ||= ask_with_fallback("Sphinx port?", "3312")
      end

      def add_gem_source
        add_source "http://gems.manualdesign.no/"
      end

      def create_active_job_initializer
        template(
          "active_job_initializer.rb",
          File.join("config/initializers/active_job.rb")
        )
      end

      def create_application_controller
        template(
          "application_controller.rb",
          File.join("app/controllers/application_controller.rb")
        )
      end

      def create_application_helper
        template(
          "application_helper.rb",
          File.join("app/helpers/application_helper.rb")
        )
      end

      def create_frontend_controller
        template(
          "frontend_controller.rb",
          File.join("app/controllers/frontend_controller.rb")
        )
      end

      def create_frontend_helper
        template(
          "frontend_helper.rb",
          File.join("app/helpers/frontend_helper.rb")
        )
      end

      def create_pages_controller
        template(
          "pages_controller.rb",
          File.join("app/controllers/pages_controller.rb")
        )
      end

      def create_default_template
        copy_file(
          "default_page_template.html.erb",
          File.join("app/views/pages/templates/index.html.erb")
        )
      end

      def create_delayed_job_script
        template "delayed_job", File.join("script/delayed_job")
        File.chmod(0755, Rails.root.join("script/delayed_job"))
      end

      def create_delayed_job_initializer
        template(
          "delayed_job_initializer.rb",
          File.join("config/initializers/delayed_job.rb")
        )
      end

      def create_initializer_file
        read_configuration!
        template(
          "pages_initializer.rb",
          File.join("config/initializers/pages.rb")
        )
      end

      def create_cache_sweeper_initializer
        read_configuration!
        template(
          "cache_sweeper_initializer.rb",
          File.join("config/initializers/cache_sweeper.rb")
        )
      end

      def create_template_initializer
        read_configuration!
        template(
          "page_templates_initializer.rb",
          File.join("config/initializers/page_templates.rb")
        )
      end

      def create_sphinx_config
        template "thinking_sphinx.yml", File.join("config/thinking_sphinx.yml")
      end

      def create_gitignore
        template "gitignore.erb", File.join(".gitignore")
      end

      private

      def ask_with_fallback(question, default)
        result = ask(question + " [#{default}]")
        if result.blank?
          default
        else
          result
        end
      end
    end
  end
end