// Package nodecli implements evobgp-node subcommands (pull/verify/apply bundle).
package nodecli

import (
	"fmt"
	"os"
)

// Run executes a subcommand from args (without program name). Returns exit code.
func Run(args []string) int {
	if len(args) < 1 {
		Usage(os.Stderr)
		return 2
	}
	switch args[0] {
	case "pull-bundle":
		return CmdPullBundle(args[1:])
	case "verify-bundle":
		return CmdVerifyBundle(args[1:])
	case "apply-bundle":
		return CmdApplyBundle(args[1:])
	default:
		Usage(os.Stderr)
		return 2
	}
}

// Usage prints CLI help to w.
func Usage(w interface{ Write([]byte) (int, error) }) {
	_, _ = fmt.Fprintf(w, `Usage:
  evobgp-node pull-bundle   -base-url URL -token TOKEN -speaker-id ID [-revision-id ID] [-o path]
  evobgp-node verify-bundle -f bundle.tar.gz (-pubkey-base64 B64 | -pubkey-hex HEX)
  evobgp-node apply-bundle  -f bundle.tar.gz -extract-dir DIR (-pubkey-base64 B64 | -pubkey-hex HEX)
                    [-bird PATH] [-birdc PATH] [-socket PATH] [-timeout DURATION]

apply-bundle verifies, extracts, runs bird -p on main bird.conf, then birdc configure.
`)
}