require 'rails/generators/base'

module Revelry
  module Generators
    module Core
      class InstallGenerator < Rails::Generators::Base
        source_root File.expand_path("../templates", __FILE__)
        desc "Creates a Revelry::Core initializer and copies files to your application."
        class_option :orm

        def revelry_app_js
        create_file "app/assets/javascripts/revelry-app.js",
<<-JS
//= require_tree ./models
//= require_tree ./mixins
//= require_tree ./components
//= require_tree ./examples
JS
          create_file "app/assets/javascripts/models/.keep"
          create_file "app/assets/javascripts/mixins/.keep"
          create_file "app/assets/javascripts/components/.keep"
          create_file "app/assets/javascripts/examples/.keep"
        end

        def application_js
          file_name = "app/assets/javascripts/application.js"
          if File.exist? file_name
            file_name_backup = "#{file_name}.#{Time.now.to_i}"
            run "mv #{file_name} #{file_name_backup}"
            prepend_file file_name_backup, "// MOVED BY revelry:core:install - In most cases you can delete this file now."
          end
          create_file file_name,
<<-JS
//= require revelry/client
JS
        end

        def revelry_app_css
          settings_source = "#{Gem.loaded_specs['foundation-rails'].full_gem_path}/vendor/assets/stylesheets/foundation/_settings.scss"
          settings_destination = "app/assets/stylesheets/_settings.scss"
          if File.exist? settings_destination
            file_name_backup = "#{settings_source}.#{Time.now.to_i}"
            run "mv #{settings_source} #{file_name_backup}"
            prepend_file file_name_backup, "// MOVED BY revelry:core:install - In most cases you can delete this file now."
          end
          run "cp #{settings_source} #{settings_destination}"
          create_file "app/assets/stylesheets/components/__keep.scss",
<<-SCSS
// This file can be safely deleted once you have other SASS/SCSS files in this directory.
// sass-rails just really doesn't like it when you @import a directory with no SASS in it.
SCSS
          create_file "app/assets/stylesheets/revelry-app.scss",
<<-SCSS
@import "settings"; // Zurb Foundation variables and such: http://foundation.zurb.com/docs/using-sass.html
@import "revelry";
@import "components/**/*";
SCSS
        end

        def application_css
          file_name = "app/assets/stylesheets/application.css"
          if File.exist? file_name
            file_name_backup = "#{file_name}.#{Time.now.to_i}"
            run "mv #{file_name} #{file_name_backup}"
            prepend_file file_name_backup, "/* MOVED BY revelry:core:install - In most cases you can delete this file now. */"
          end
          create_file file_name,
<<-CSS
  /*
  *= require revelry-app
  */
CSS
        end
      end
    end
  end
end