module InfinumId
  module Api
    class WebhooksController < Api::BaseController
      def update_resource_callback
        return render_not_found unless resource

        resource.update(user_params)
        InfinumId::AfterResourceUpdate.call(resource, params[:user])

        render json: { resource_name.underscore => 'updated' }
      end

      def create_resource_callback
        return render_already_exists if resource

        resource = resource_class.create(user_params.merge(provider: params[:provider]))
        InfinumId::AfterResourceCreate.call(resource, params[:user])

        render json: { resource_name.underscore => 'created' }
      end

      private

      def user_params
        params.require(:user).permit(InfinumId.resource_attributes)
      end

      def resource
        @resource ||= 
          resource_class.find_by(uid: user_params[:uid], provider: params[:provider]) ||
          resource_class.find_by(email: user_params[:email])
      end

      def render_not_found
        render json: { resource_name.underscore => 'not found' }, status: :not_found
      end

      def render_already_exists
        render json: { resource_name.underscore => 'already exists' }, status: :unprocessable_entity
      end
    end
  end
end