require 'yajl'
require 'state_machines-activerecord'
require 'state_machine_job'
require 'paperclip'
require 'aws-sdk-s3'
require 'friendly_id'
require 'devise'
require 'cancan'
require 'jbuilder'
require 'htmlentities'
require 'kramdown'
require 'react-rails'
require 'with_advisory_lock'

require 'active_admin'
require 'activeadmin-searchable_select'

require 'bourbon'
require 'jquery-ui-rails'
require 'jquery-layout-rails'
require 'backbone-rails'
require 'marionette-rails'
require 'jquery-fileupload-rails'
require 'jquery-minicolors-rails'
require 'wysihtml/rails'
require 'i18n-js'
require 'http_accept_language'
require 'pageflow-public-i18n'

require 'pageflow_paged'
require 'pageflow_scrolled'
require 'symmetric-encryption'

require 'pageflow/rails_version'

if Gem::Specification.find_all_by_name('pageflow-react', '>= 0.0').any?
  fail('The pageflow-react gem has been merged into the pageflow gem. ' \
       'See the pageflow changelog for update instructions.')
end

module Pageflow
  # Rails integration
  class Engine < ::Rails::Engine
    isolate_namespace Pageflow

    if Pageflow::RailsVersion.experimental?
      config.autoload_paths << root.join('app/views/components')
      config.eager_load_paths << root.join('app/views/components')

      lib = root.join('lib')

      config.autoload_paths << lib
      config.eager_load_paths << lib

      initializer 'pageflow.autoloading' do
        Rails.autoloaders.main.ignore(
          lib.join('generators'),
          lib.join('tasks'),
          lib.join('pageflow/paperclip_processors'),
          lib.join('pageflow/version.rb')
        )
      end
    else
      config.paths.add('app/views/components', autoload: true)
      config.paths.add('lib', autoload: true)

      def eager_load!
        # Manually eager load `lib/pageflow` as the least bad option:
        #
        # - Autoload paths are not eager loaded in production.
        #
        # - `lib` cannot be an eager load path since otherwise templates
        #   in `lib/generators` are also executed.
        #
        # - `lib/pageflow` cannot be an eager load path since eager load
        #   paths are automatically used as autoload paths. That way
        #   `lib/pageflow/admin/something.rb` could be autoloaded via
        #   `Admin::Something`.
        #
        # - Using `require` in `lib/pageflow.rb` disables code
        #   reloading.
        #
        # - Using `require_dependency` in `lib/pageflow.rb` does not
        #   activate code reloading either since it requires the
        #   autoload path to be set up correctly, which only happens
        #   during initialization.
        super

        lib_path = config.root.join('lib')
        matcher = %r{\A#{Regexp.escape(lib_path.to_s)}/(.*)\.rb\Z}

        already_required_files = [
          'pageflow/engine',
          'pageflow/global_config_api',
          'pageflow/news_item_api',
          'pageflow/version'
        ]

        Dir.glob("#{lib_path}/pageflow/**/*.rb").sort.each do |file|
          logical_path = file.sub(matcher, '\1')
          require_dependency(logical_path) unless already_required_files.include?(logical_path)
        end
      end
    end

    config.i18n.load_path += Dir[config.root.join('config', 'locales', '**', '*.yml').to_s]
    config.i18n.available_locales = [:en, :de] | PublicI18n.available_locales
    config.i18n.default_locale = :en

    # Supress deprecation warning. This is the future default value of the option.
    I18n.config.enforce_available_locales = true

    # FORCE RAILS TO MAKE I18N AVAILABLE TO ACTIVE ADMIN
    config.before_configuration do
      I18n.load_path += Dir[Engine.root.join('config', 'locales', '**', '*.yml').to_s]
      I18n.locale = :en
      I18n.default_locale = :en
      config.i18n.load_path += Dir[Engine.root.join('config', 'locales', '**', '*.yml').to_s]
      config.i18n.locale = :en
    end

    # Make sure the configuration is recreated when classes are
    # reloded. Otherwise registered page types might still point to
    # unloaded classes in development mode.
    config.to_prepare do
      Pageflow.configure!
    end

    initializer 'pageflow.factories', after: 'factory_bot.set_factory_paths' do
      if defined?(FactoryBot)
        FactoryBot.definition_file_paths.unshift(Engine.root.join('spec', 'factories'))
      end
    end

    # Precompile additional assets.
    initializer 'pageflow.assets.precompile' do |app|
      app.config.assets.precompile += %w(
        pageflow/application_with_simulated_media_queries.css
        pageflow/print_view.css
        pageflow/lt_ie9.js pageflow/lt_ie9.css pageflow/ie9.js pageflow/ie9.css
        pageflow/vendor.js
        pageflow/editor/vendor.js
        video-js.swf vjs.eot vjs.svg vjs.ttf vjs.woff
      )

      app.config.assets.precompile << lambda do |path, _filename|
        Pageflow.config.themes.any? do |theme|
          path == theme.stylesheet_path
        end
      end

      app.config.assets.precompile << lambda do |path, filename|
        filename.start_with?(Engine.root.join('app/assets').to_s) &&
          !['.js', '.css', ''].include?(File.extname(path))
      end
    end
  end
end