require "rails"

module Ddr
  module Models
    class Engine < ::Rails::Engine

      engine_name "ddr_models"

      config.generators do |g|
        g.test_framework :rspec
        g.fixture_replacement :factory_girl
        g.assets false
        g.helper false
      end

      initializer "ddr_models.external_files" do
        Ddr::Models.external_file_store = ENV["EXTERNAL_FILE_STORE"]
        Ddr::Models.external_file_subpath_pattern = ENV["EXTERNAL_FILE_SUBPATH_PATTERN"] || "--"
      end

      initializer "ddr_models.id_minter" do
        Ddr::Models.minter_statefile = ENV["MINTER_STATEFILE"]
      end

      # Add custom predicates to ActiveFedora
      initializer "ddr_models.predicates" do
        ActiveFedora::Predicates.set_predicates(Ddr::Metadata::PREDICATES)
      end

      # Configure devise-remote-user
      initializer "ddr_auth.remote_user" do
        require "devise_remote_user"
        DeviseRemoteUser.configure do |config|
          config.auto_create = true
          config.attribute_map = {
            email: "mail", 
            first_name: "givenName",
            middle_name: "duMiddleName1",
            nickname: "eduPersonNickname",
            last_name: "sn",
            display_name: "displayName"
          }
          config.auto_update = true
          config.logout_url = "/Shibboleth.sso/Logout?return=https://shib.oit.duke.edu/cgi-bin/logout.pl"
        end
      end

      # Integration of remote (Grouper) groups via Shibboleth
      initializer "ddr_auth.grouper" do
        # Load configuration for Grouper service, if present
        if File.exists? "#{Rails.root}/config/grouper.yml"
          Ddr::Auth::GrouperService.config = YAML.load_file("#{Rails.root}/config/grouper.yml")[Rails.env]
        end

        Warden::Manager.after_set_user do |user, auth, opts|
          user.group_service = Ddr::Auth::RemoteGroupService.new(auth.env)
        end
      end

      # Set superuser group
      initializer "ddr_auth.superuser" do
        Ddr::Auth.superuser_group = ENV["SUPERUSER_GROUP"]
      end

      initializer "ddr_auth.collection_creators" do
        Ddr::Auth.collection_creators_group = ENV["COLLECTION_CREATORS_GROUP"]
      end

    end
  end
end