import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

# If modifying these scopes, delete the file token.pickle.
SCOPES = ["https://www.googleapis.com/auth/spreadsheets.readonly"]

# The ID and range of a sample spreadsheet.
SPREADSHEET_ID = "1eKEcFRQBdM2b-pPxnSUEilAKdHnMUNXZljO_I6iqwBw"
RANGE_NAME = "A4:C7"


def main():
    """Shows basic usage of the Sheets API.
    Prints values from a sample spreadsheet.
    """
    creds = None
    # The file token.pickle stores the user's access and refresh tokens, and is
    # created automatically when the authorization flow completes for the first
    # time.
    if os.path.exists("token.pickle"):
        with open("token.pickle", "rb") as token:
            creds = pickle.load(token)
    # If there are no (valid) credentials available, let the user log in.
    if not creds or not creds.valid:
        if creds and creds.expired and creds.refresh_token:
            creds.refresh(Request())
        else:
            flow = InstalledAppFlow.from_client_secrets_file("credentials.json", SCOPES)
            creds = flow.run_local_server(port=0)
        # Save the credentials for the next run
        with open("token.pickle", "wb") as token:
            pickle.dump(creds, token)

    service = build("sheets", "v4", credentials=creds)

    # Call the Sheets API
    sheet = service.spreadsheets()
    result = (
        sheet.values().get(spreadsheetId=SPREADSHEET_ID, range=RANGE_NAME).execute()
    )
    values = result.get("values", [])

    if not values:
        print("No data found.")
    else:
        print("Toistumisväli, Homma, Viimeksi tehty")
        print("===")
        for row in values:
            print(", ".join(row))


if __name__ == "__main__":
    main()