import jwt, times, json, tables

var secret = "secret"

proc sign*(userId: string): string =
  var token = toJWT(%*{
    "header": {
      "alg": "HS256",
      "typ": "JWT"
    },
    "claims": {
      "userId": userId,
      "exp": (getTime() + 1.days).toSeconds().int
    }
  })

  token.sign(secret)

  result = $token

proc verify*(token: string): bool =
  try:
    let jwtToken = token.toJWT()
    result = jwtToken.verify(secret)
  except InvalidToken:
    result = false

proc decode*(token: string): string =
  let jwt = token.toJWT()
  result = $jwt.claims["userId"].node.str


var mytoken = sign("poop55")
echo mytoken

if mytoken.verify():
  echo "Token verifyed, now decoding"
  echo "ID riped form token is: ", mytoken.decode()
  echo "Now go copy it to https://jwt.io/ and its invalid signature for some reson, tryed both base64 encoded and not "

#FOR JWT I USED https://github.com/yglukhov/nim-jwt DUNO ANY ELSE :)