#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
#
# Copyright (C) 2012-2013 the OpenProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

# Mocks out OpenID
#
# http://www.northpub.com/articles/2007/04/02/testing-openid-support
module OpenIdAuthentication

  EXTENSION_FIELDS = {'email' => 'user@somedomain.com',
                      'nickname' => 'cool_user',
                      'country' => 'US',
                      'postcode' => '12345',
                      'fullname' => 'Cool User',
                      'dob' => '1970-04-01',
                      'language' => 'en',
                      'timezone' => 'America/New_York'}

  protected

    def authenticate_with_open_id(identity_url = params[:openid_url], options = {}) #:doc:
      if User.find_by_identity_url(identity_url) || identity_url.include?('good')
        # Don't process registration fields unless it is requested.
        unless identity_url.include?('blank') || (options[:required].nil? && options[:optional].nil?)
          extension_response_fields = {}

          options[:required].each do |field|
            extension_response_fields[field.to_s] = EXTENSION_FIELDS[field.to_s]
          end unless options[:required].nil?

          options[:optional].each do |field|
            extension_response_fields[field.to_s] = EXTENSION_FIELDS[field.to_s]
          end unless options[:optional].nil?
        end

        yield Result[:successful], identity_url , extension_response_fields
      else
        logger.info "OpenID authentication failed: #{identity_url}"
        yield Result[:failed], identity_url, nil
      end
    end

  private

    def add_simple_registration_fields(open_id_response, fields)
      open_id_response.add_extension_arg('sreg', 'required', [ fields[:required] ].flatten * ',') if fields[:required]
      open_id_response.add_extension_arg('sreg', 'optional', [ fields[:optional] ].flatten * ',') if fields[:optional]
    end
end