#!/usr/bin/env python
from __future__ import print_function
import capnp
import os
capnp.add_import_hook([os.getcwd(), "/usr/local/include/"]) # change this to be auto-detected?

import test_capnp

import sys

def decode(name):
    class_name = name[0].upper() + name[1:]
    print(getattr(test_capnp, class_name).from_bytes(sys.stdin.read())._short_str())

def encode(name):
    val = getattr(test_capnp, name)
    class_name = name[0].upper() + name[1:]
    message = getattr(test_capnp, class_name).from_dict(val.to_dict())
    print(message.to_bytes())

if sys.argv[1] == 'decode':
    decode(sys.argv[2])
else:
    encode(sys.argv[2])