18F/identity-idp

# frozen_string_literal: true

class StoreSpMetadataInSession
  def initialize(session:, request_id:)
    @session = session
    @request_id = request_id
  end

  def call(service_provider_request: nil, requested_service_provider: nil)
    @sp_request = service_provider_request if service_provider_request
    @service_provider = requested_service_provider

    return if sp_request.is_a?(NullServiceProviderRequest)
    update_session
  end

  private

  attr_reader :session, :request_id

  def sp_request
    @sp_request ||= ServiceProviderRequestProxy.from_uuid(request_id)
  end

  def update_session
    session[:sp] = {
      issuer: sp_request.issuer,
      request_url: sp_request.url,
      request_id: sp_request.uuid,
      requested_attributes: sp_request.requested_attributes,
      acr_values: sp_request.acr_values,
      vtr: sp_request.vtr,
    }
  end

  def service_provider
    return @service_provider if defined?(@service_provider)
    @service_provider = ServiceProvider.find_by(issuer: sp_request.issuer)
  end
end