class OpenidConnect::ClientsController < ApplicationController
  rescue_from OpenIDConnect::HttpError do |e|
    http_error_page_as_json(e)
  end

  rescue_from OpenIDConnect::ValidationFailed, ActiveRecord::RecordInvalid do |e|
    validation_fail_as_json(e)
  end

  def create
    registrar = OpenIDConnect::Client::Registrar.new(request.url, params)
    client = OpenidConnect::OAuthApplication.register! registrar
    render json: client
  end

  private

  def http_error_page_as_json(e)
    render json:
    {
      error:             :invalid_request,
      error_description: e.message
    }, status: 400
  end

  def validation_fail_as_json(e)
    render json:
    {
      error:             :invalid_client_metadata,
      error_description: e.message
    }, status: 400
  end
end