cligotop

var RootCmd = &cobra.Command{
	Use:   "gotop",
	Short: "Terminal based graphical activity monitor",
	Long: `A terminal based graphical activity monitor inspired by gtop and vtop.

By default, tries to connect to the local visor's gRPC server for system stats.
If unavailable, falls back to running gotop directly using local gopsutil.`,
	Run: func(cmd *cobra.Command, _ []string) {
		updateInterval, err := time.ParseDuration(rateFlag)
		if err != nil {
			internal.PrintFatalError(cmd.Flags(), fmt.Errorf("invalid rate: %v", err))
		}

		if remotePK != "" {
			if err := runRemoteMode(cmd, updateInterval); err != nil {
				internal.PrintFatalError(cmd.Flags(), err)
			}
			return
		}

		if localMode {
			if err := runDirectGotop(); err != nil {
				internal.PrintFatalError(cmd.Flags(), err)
			}
			return
		}

		grpcClient, err := rpcgrpc.NewPingClient(clirpc.Addr)
		if err != nil {

			stderrLogger.Printf("Visor gRPC not available, running gotop directly: %v", err)
			if err := runDirectGotop(); err != nil {
				internal.PrintFatalError(cmd.Flags(), err)
			}
			return
		}
		defer grpcClient.Close()

		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
		_, err = grpcClient.GetSystemStats(ctx, false, 0)
		cancel()
		if err != nil {

			stderrLogger.Printf("Visor gRPC available but GetSystemStats failed, running gotop directly: %v", err)
			if err := runDirectGotop(); err != nil {
				internal.PrintFatalError(cmd.Flags(), err)
			}
			return
		}

		if err := runVisorGotop(grpcClient, updateInterval); err != nil {
			internal.PrintFatalError(cmd.Flags(), err)
		}
	},
}