package main

import (
	"encoding/json"
	"fmt"
	"log"
	"os"
	"strings"
	"time"

	"git.cycore.io/scm/pass-totp/internal/otp"
)

type Token struct {
	Token      string `json:"token"`
	TTLSeconds uint64 `json:"ttl_seconds"`
}

func main() {
	var key string

	fmt.Scan(&key)

	key = strings.ToUpper(key)

	totp := &otp.TOTP{
		Secret:         key,
		IsBase32Secret: true,
	}

	token := totp.Get()

	if err := json.NewEncoder(os.Stdout).Encode(&Token{
		Token:      token,
		TTLSeconds: uint64(30 - time.Now().Unix()%30),
	}); err != nil {
		log.Println("failed to encode token to json:", err)
	}
}