package cmd

import (
	"fmt"
	"os"
	"runtime"

	"github.com/spf13/cobra"

	"github.com/elastic/beats/libbeat/cmd/instance"
	"github.com/elastic/beats/libbeat/version"
)

func genVersionCmd(name, beatVersion string) *cobra.Command {
	return &cobra.Command{
		Use:   "version",
		Short: "Show current version info",
		Run: func(cmd *cobra.Command, args []string) {
			beat, err := instance.NewBeat(name, beatVersion)
			if err != nil {
				fmt.Fprintf(os.Stderr, "Error initializing beat: %s\n", err)
				os.Exit(1)
			}

			fmt.Printf("%s version %s (%s), libbeat %s\n",
				beat.Info.Beat, beat.Info.Version, runtime.GOARCH, version.GetDefaultVersion())
		},
	}
}