package main

import (
	"flag"
	"fmt"

	pb "powerpod/gotool/pb"
)

func runInputSendModeCmd(h hostConn, args []string) error {
	fs := flag.NewFlagSet("input-send-mode", flag.ExitOnError)
	write := fs.Bool("set", false, "write mode to slave(s)")
	mode := fs.Uint("mode", 0, "0=best_effort 1=fast 2=wait 3=reliable")
	clientID := fs.Uint("client", 0, "slave client_id (required unless -all)")
	all := fs.Bool("all", false, "apply to every registered slave")
	_ = fs.Parse(args)

	req := &pb.InputSendModeRequest{
		Write:      *write,
		Mode:       pb.InputSendMode(*mode),
		ClientId:   uint32(*clientID),
		AllClients: *all,
	}
	if *write && !*all && *clientID == 0 {
		return fmt.Errorf("need -client N or -all when using -set")
	}
	if *write && *mode > uint(pb.InputSendMode_INPUT_SEND_RELIABLE) {
		return fmt.Errorf("mode must be 0..3")
	}

	r, err := hostInputSendMode(h, req)
	if err != nil {
		return err
	}
	fmt.Printf("input-send-mode: success=%v mode=%d (%s) client_id=%d slaves_updated=%d\n",
		r.GetSuccess(), r.GetMode(), inputSendModeName(r.GetMode()), r.GetClientId(),
		r.GetSlavesUpdated())
	if *write && !r.GetSuccess() {
		return fmt.Errorf("input-send-mode rejected")
	}
	return nil
}