require 'apartment'
require 'ims/lti'
require 'attr_encrypted'
require 'secure_headers'

module PandaPal
  class Engine < ::Rails::Engine
    config.autoload_once_paths += Dir["#{config.root}/lib/**/"]

    isolate_namespace PandaPal

    config.generators do |g|
      g.test_framework :rspec
      g.fixture_replacement :factory_girl, :dir => 'spec/factories'
    end

    initializer :append_migrations do |app|
      config.paths["db/migrate"].expanded.each do |expanded_path|
        app.config.paths["db/migrate"] << expanded_path
      end
      # Apartment will modify this, but it doesn't fully support engine migrations, so we'll reset it here
      ActiveRecord::Migrator.migrations_paths = Rails.application.paths['db/migrate'].to_a
    end

    initializer 'interop dependencies' do
      if $LOADED_FEATURES.grep(/\/ros-apartment-\d/).present?
        if $LOADED_FEATURES.grep(/\/apartment-\d/).present? || $LOADED_FEATURES.grep(/\/apartment-sidekiq-\d/).present?
          raise "ros-apartment is used, but apartment or apartment-sidekiq is loaded. Do not mix legacy and ros- variants! (You most likely need to update your Gemfile to use the ros- variant)"
        end
      end
      if defined?(Sidekiq)
        begin
          require 'apartment-sidekiq'
        rescue LoadError
          raise "Sidekiq is used, but apartment-sidekiq is not installed. Add [gem 'ros-apartment-sidekiq'] to your Gemfile"
        end
      end
    end

    initializer 'Sidekiq Scheduler Hooks' do
      ActiveSupport.on_load(:active_record) do
        if defined?(Sidekiq) && Sidekiq.server? && PandaPal::Organization.respond_to?(:sync_schedules)
          PandaPal::Organization.sync_schedules

          ActiveSupport::Reloader.to_prepare do
            PandaPal::Organization.sync_schedules
          end
        end
      end
    end

    initializer 'panda_pal.app_controller' do |app|
      OAUTH_10_SUPPORT = true
      ActiveSupport.on_load(:action_controller) do
        include PandaPal::Helpers::ControllerHelper
      end
    end

    initializer 'panda_pal.route_helper' do |route|
      ActionDispatch::Routing::Mapper.send :include, PandaPal::Helpers::RouteHelper
    end

    initializer 'panda_pal.route_options', after: :build_middleware_stack do |app|
      ActiveSupport.on_load(:action_controller) do
        Rails.application.reload_routes!
        PandaPal::validate_pandapal_config!
      end
    end

    initializer "panda_pal.assets.precompile" do |app|
      app.config.assets.precompile << "panda_pal_manifest.js" rescue nil
    end

    initializer :secure_headers do |app|
      begin
        ::SecureHeaders::Configuration.default do |config|
          PandaPal::SecureHeaders.apply_defaults(config)
        end
      rescue ::SecureHeaders::Configuration::AlreadyConfiguredError
        # The App already applied settings
      end

      ::SecureHeaders::Configuration.override(:safari_override) do |config|
        config.cookies = ::SecureHeaders::OPT_OUT
      end
    end
  end
end