package cli

import (
	"context"
	"fmt"
	"io"

	"gitea.maximumdirect.net/eric/distributor/internal/app"
)

func versionCommand(_ context.Context, args []string, stdout, stderr io.Writer) int {
	if hasHelp(args) {
		printVersionHelp(stdout)
		return exitOK
	}
	if rejectExtraArgs(stderr, "version", args) {
		return exitUsage
	}
	fmt.Fprintln(stdout, app.VersionString())
	return exitOK
}

func printVersionHelp(w io.Writer) {
	fmt.Fprint(w, `Usage:
  distributor version

Print version information.
`)
}