/*
 * Copyright (c)2013-2020 ZeroTier, Inc.
 *
 * Use of this software is governed by the Business Source License included
 * in the LICENSE.TXT file in the project's root directory.
 *
 * Change Date: 2024-01-01
 *
 * On the date above, in accordance with the Business Source License, use
 * of this software will be governed by version 2.0 of the Apache License.
 */
/****/

package cli

import (
	"fmt"
	"os"
	"strconv"
	"strings"

	"zerotier/pkg/zerotier"
)

// Join CLI command
func Join(basePath, authToken string, args []string) {
	if len(args) < 1 || len(args) > 2 {
		Help()
		os.Exit(1)
	}

	if len(args[0]) != zerotier.NetworkIDStringLength {
		fmt.Printf("ERROR: invalid network ID: %s\n", args[0])
		os.Exit(1)
	}
	nwid, err := strconv.ParseUint(args[0], 16, 64)
	if err != nil {
		fmt.Printf("ERROR: invalid network ID: %s\n", args[0])
		os.Exit(1)
	}
	nwids := fmt.Sprintf("%.16x", nwid)

	var fp *zerotier.Fingerprint
	if len(args) == 2 {
		if strings.ContainsRune(args[1], '-') {
			fp, err = zerotier.NewFingerprintFromString(args[1])
			if err != nil {
				fmt.Printf("ERROR: invalid network controller fingerprint: %s\n", args[1])
				os.Exit(1)
			}
		} else {
			id, err := zerotier.NewIdentityFromString(args[1])
			if err != nil {
				fmt.Printf("ERROR: invalid network controller identity: %s\n", args[1])
				os.Exit(1)
			}
			fp = id.Fingerprint()
		}
	}

	var network zerotier.APINetwork
	network.ID = zerotier.NetworkID(nwid)
	network.ControllerFingerprint = fp

	if apiPost(basePath, authToken, "/network/"+nwids, &network, nil) <= 0 {
		fmt.Printf("FAILED\n")
	} else {
		if fp == nil {
			fmt.Printf("OK %s\n", nwids)
		} else {
			fmt.Printf("OK %s %s\n", nwids, fp.String())
		}
	}

	os.Exit(0)
}