"""Script to generate Google API token."""
import os

from oauth2client import client
from oauth2client import file
from oauth2client import tools


SCOPES = [
    'https://www.googleapis.com/auth/spreadsheets',
    'https://www.googleapis.com/auth/yt-analytics.readonly',
    'https://www.googleapis.com/auth/yt-analytics-monetary.readonly'
]


def genereate_google_api_token(secrets_path, token_path, application_name):
    """Generate token function."""
    storage = file.Storage(token_path)
    flow = client.flow_from_clientsecrets(secrets_path, SCOPES)
    flow.user_agent = application_name
    tools.run_flow(
        flow, storage, flags=tools.argparser.parse_args())
    with open(token_path, 'r') as token_file:
        print(token_file.read())


if __name__ == '__main__':
    genereate_google_api_token(
        os.getenv('GOOGLE_API_SECRETS_FILE_PATH'),
        os.getenv('GOOGLE_API_TOKEN_FILE_PATH'),
        os.getenv('GOOGLE_API_APPLICATION_NAME')
    )