module Api
  module V1
    module Gateway
      class HeartbeatsController < BaseController
        def create
          current_gateway.heartbeat!

          # Update metadata with device info
          metadata = {
            battery_level: params[:battery_level],
            signal_strength: params[:signal_strength],
            messages_in_queue: params[:messages_in_queue]
          }.compact

          current_gateway.update(metadata: metadata) if metadata.any?

          # Get count of pending messages for this gateway
          pending_count = SmsMessage.pending
                                    .where(gateway_id: [nil, current_gateway.id])
                                    .count

          render json: {
            success: true,
            pending_messages: pending_count
          }
        end
      end
    end
  end
end