require 'active_support/core_ext'
require 'set'

require 'ransack'
require 'ransack_ext'
require 'kaminari'
require 'formtastic'
require 'formtastic_i18n'
require 'inherited_resources'
require 'jquery-rails'
require 'jquery-ui-rails'
require 'coffee-rails'
require 'arbre'

require 'active_admin/helpers/i18n'

module ActiveAdmin

  autoload :VERSION,                  'active_admin/version'
  autoload :Application,              'active_admin/application'
  autoload :AssetRegistration,        'active_admin/asset_registration'
  autoload :Authorization,            'active_admin/authorization_adapter'
  autoload :AuthorizationAdapter,     'active_admin/authorization_adapter'
  autoload :Callbacks,                'active_admin/callbacks'
  autoload :Component,                'active_admin/component'
  autoload :BaseController,           'active_admin/base_controller'
  autoload :CanCanAdapter,            'active_admin/cancan_adapter'
  autoload :ControllerAction,         'active_admin/controller_action'
  autoload :CSVBuilder,               'active_admin/csv_builder'
  autoload :Dependency,               'active_admin/dependency'
  autoload :Deprecation,              'active_admin/deprecation'
  autoload :Devise,                   'active_admin/devise'
  autoload :DSL,                      'active_admin/dsl'
  autoload :Event,                    'active_admin/event'
  autoload :FormBuilder,              'active_admin/form_builder'
  autoload :Inputs,                   'active_admin/inputs'
  autoload :Localizers,               'active_admin/localizers'
  autoload :Menu,                     'active_admin/menu'
  autoload :MenuCollection,           'active_admin/menu_collection'
  autoload :MenuItem,                 'active_admin/menu_item'
  autoload :Namespace,                'active_admin/namespace'
  autoload :OrderClause,              'active_admin/order_clause'
  autoload :Page,                     'active_admin/page'
  autoload :PagePresenter,            'active_admin/page_presenter'
  autoload :PageController,           'active_admin/page_controller'
  autoload :PageDSL,                  'active_admin/page_dsl'
  autoload :PunditAdapter,            'active_admin/pundit_adapter'
  autoload :Resource,                 'active_admin/resource'
  autoload :ResourceController,       'active_admin/resource_controller'
  autoload :ResourceDSL,              'active_admin/resource_dsl'
  autoload :Scope,                    'active_admin/scope'
  autoload :ScopeChain,               'active_admin/helpers/scope_chain'
  autoload :SidebarSection,           'active_admin/sidebar_section'
  autoload :TableBuilder,             'active_admin/table_builder'
  autoload :ViewFactory,              'active_admin/view_factory'
  autoload :ViewHelpers,              'active_admin/view_helpers'
  autoload :Views,                    'active_admin/views'

  class << self

    attr_accessor :application

    def application
      @application ||= ::ActiveAdmin::Application.new
    end

    # Gets called within the initializer
    def setup
      application.setup!
      yield(application)
      application.prepare!
    end

    delegate :register,      to: :application
    delegate :register_page, to: :application
    delegate :unload!,       to: :application
    delegate :load!,         to: :application
    delegate :routes,        to: :application

    # A callback is triggered each time (before) Active Admin loads the configuration files.
    # In development mode, this will happen whenever the user changes files. In production
    # it only happens on boot.
    #
    # The block takes the current instance of [ActiveAdmin::Application]
    #
    # Example:
    #
    #     ActiveAdmin.before_load do |app|
    #       # Do some stuff before AA loads
    #     end
    #
    # @param [Block] block A block to call each time (before) AA loads resources
    def before_load(&block)
      ActiveSupport::Notifications.subscribe ActiveAdmin::Application::BeforeLoadEvent, &ActiveAdmin::Event.wrap_block_for_active_support_notifications(block)
    end

    # A callback is triggered each time (after) Active Admin loads the configuration files. This
    # is an opportunity to hook into Resources after they've been loaded.
    #
    # The block takes the current instance of [ActiveAdmin::Application]
    #
    # Example:
    #
    #     ActiveAdmin.after_load do |app|
    #       app.namespaces.each do |name, namespace|
    #         puts "Namespace: #{name} loaded!"
    #       end
    #     end
    #
    # @param [Block] block A block to call each time (after) AA loads resources
    def after_load(&block)
      ActiveSupport::Notifications.subscribe ActiveAdmin::Application::AfterLoadEvent, &ActiveAdmin::Event.wrap_block_for_active_support_notifications(block)
    end

  end

end

# Require things that don't support autoload
require 'active_admin/engine'
require 'active_admin/error'

# Require internal plugins
require 'active_admin/batch_actions'
require 'active_admin/filters'

# Require ORM-specific plugins
require 'active_admin/orm/active_record' if defined? ActiveRecord
require 'active_admin/orm/mongoid'       if defined? Mongoid