public function create_payment($id)
 {
     $enterprise = Enterprise::find($id);
     $payment = PaymentOrder::where('enterprise_id', $enterprise->id)->orderBy('fecha_pago', 'DESC')->first();
     $now = date('Y-m-d');
     $payments_methods = $this->payments_methods;
     $payment_status = $this->payment_status;
     if ($payment) {
         //Existe el ultimo pago
         $last_payment = $payment->fecha_pago;
         $next_payment = date('Y-m-d', strtotime($last_payment . " + " . $payment->enterprise->plan->periodo->tiempo . " " . $payment->enterprise->plan->periodo->lapso));
         if ($now >= $next_payment) {
             //La fecha actual es igual o mayor a la del proximo pago
             //hay que generar una orden de pago
             if ($payment->enterprise->plan->costo > 0) {
                 //Cobro por plan
                 $to_pay = $payment->enterprise->plan->costo;
                 $last_order = '0000-00-00 00:00:00';
                 $period = sprintf('Pago mes: %s ', date("m/Y", strtotime($next_payment)));
             } else {
                 //Cobro por porcentaje
                 //Monto entre la fecha de la ultima venta de la ultima orden de pago
                 //y la ultima venta del periodo a cobrar
                 $last_order = SaleOrder::where('enterprise_id', $enterprise->id)->orderBy('created_at', 'DESC')->first();
                 $amount = SaleOrder::where('enterprise_id', $enterprise->id)->whereBetween('created_at', array($payment->ultimo_corte, $last_order->created_at))->sum('total');
                 $to_pay = $amount * ($payment->enterprise->plan->porcentaje / 100);
                 $period = sprintf('%s - %s ', date("d/m/Y", strtotime($last_payment)), date("d/m/Y", strtotime($now)));
             }
         } else {
             //Caso de uso para cuando no hay que generar orden de pago
             //es decir no se ha cumplido el periodo de pago del plan
             return redirect()->route('admin.pagos.listado', $id)->with('message', '<div class="alert alert-warning" style="margin-top:15px">No hay pagos pendientes por facturar</div>');
         }
     } else {
         //Primera vez que la empresa paga
         if ($enterprise->plan->costo > 0) {
             //Cobro por plan
             $to_pay = $enterprise->plan->costo;
             $last_order = '0000-00-00 00:00:00';
             $period = sprintf('Primer pago %s', date("m/Y", strtotime($now)));
         } else {
             //Cobro por porcentaje
             //Monto entre la fecha de la ultima venta de la ultima orden de pago
             //y la ultima venta del periodo a cobrar
             $last_order = SaleOrder::where('enterprise_id', $enterprise->id)->orderBy('created_at', 'DESC')->first();
             $amount = SaleOrder::where('enterprise_id', $enterprise->id)->whereBetween('created_at', array('0000-00-00 00:00:00', $last_order->created_at))->sum('total');
             $to_pay = $amount * ($enterprise->plan->porcentaje / 100);
             $period = sprintf('Desde inicio hasta %s', date("d/m/Y", strtotime($now)));
         }
     }
     $description = sprintf('%s: %s %s', $enterprise->plan->nombre, $enterprise->plan->tiempo_membresia, $this->tiempo[$enterprise->plan->unidad_tiempo]);
     return view('payments.create', compact('enterprise', 'payments_methods', 'payment_status', 'period', 'to_pay', 'last_order', 'description'));
 }