#!/usr/bin/env python

import os
import sys
import pathlib
import subprocess
import time
import argparse
from apiclient import discovery, errors
from oauth2client import client, file
from httplib2 import ServerNotFoundError

DIR = os.path.dirname(os.path.realpath(__file__))
CREDENTIALS_PATH = os.path.join(DIR, 'credentials.json')

if not os.path.isfile(CREDENTIALS_PATH):
    print(0)
else:
    try:
        gmail = discovery.build(
            'gmail', 'v1', credentials=file.Storage(CREDENTIALS_PATH).get())
        labels = gmail.users().labels().get(userId='me', id='INBOX').execute()
        print(labels['messagesUnread'])
    except Exception as e:
        print(0)