import pickle
import os
import datetime
from collections import namedtuple
from google_auth_oauthlib.flow import Flow, InstalledAppFlow
from googleapiclient.discovery import build
from googleapiclient.http import MediaFileUpload, MediaIoBaseDownload
from google.auth.transport.requests import Request


def Create_Service(client_secret_file, api_name, api_version, *scopes, prefix=''):
    CLIENT_SECRET_FILE = client_secret_file
    API_SERVICE_NAME = api_name
    API_VERSION = api_version
    SCOPES = [scope for scope in scopes[0]]

    cred = None
    working_dir = os.getcwd()
    token_dir = 'token files'
    pickle_file = f'token_{API_SERVICE_NAME}_{API_VERSION}{prefix}.pickle'

    ### Check if token dir exists first, if not, create the folder
    if not os.path.exists(os.path.join(working_dir, token_dir)):
        os.mkdir(os.path.join(working_dir, token_dir))

    if os.path.exists(os.path.join(working_dir, token_dir, pickle_file)):
        with open(os.path.join(working_dir, token_dir, pickle_file), 'rb') as token:
            cred = pickle.load(token)

    if not cred or not cred.valid:
        if cred and cred.expired and cred.refresh_token:
            cred.refresh(Request())
        else:
            flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRET_FILE, SCOPES)
            cred = flow.run_local_server()

        with open(os.path.join(working_dir, token_dir, pickle_file), 'wb') as token:
            pickle.dump(cred, token)

    try:
        service = build(API_SERVICE_NAME, API_VERSION, credentials=cred)
        print(API_SERVICE_NAME, API_VERSION, 'service created successfully')
        return service
    except Exception as e:
        print(e)
        print(f'Failed to create service instance for {API_SERVICE_NAME}')
        os.remove(os.path.join(working_dir, token_dir, pickle_file))
        return None


def convert_to_RFC_datetime(year=1900, month=1, day=1, hour=0, minute=0):
    dt = datetime.datetime(year, month, day, hour, minute, 0).isoformat() + 'Z'
    return dt


class GoogleSheetsHelper:
    # --> spreadsheets().batchUpdate()
    Paste_Type = namedtuple('_Paste_Type',
                            ('normal', 'value', 'format', 'without_borders',
                             'formula', 'date_validation', 'conditional_formatting')
                            )('PASTE_NORMAL', 'PASTE_VALUES', 'PASTE_FORMAT', 'PASTE_NO_BORDERS',
                              'PASTE_FORMULA', 'PASTE_DATA_VALIDATION', 'PASTE_CONDITIONAL_FORMATTING')

    Paste_Orientation = namedtuple('_Paste_Orientation', ('normal', 'transpose'))('NORMAL', 'TRANSPOSE')

    Merge_Type = namedtuple('_Merge_Type', ('merge_all', 'merge_columns', 'merge_rows')
                            )('MERGE_ALL', 'MERGE_COLUMNS', 'MERGE_ROWS')

    Delimiter_Type = namedtuple('_Delimiter_Type', ('comma', 'semicolon', 'period', 'space', 'custom', 'auto_detect')
                                )('COMMA', 'SEMICOLON', 'PERIOD', 'SPACE', 'CUSTOM', 'AUTODETECT')

    # --> Types
    Dimension = namedtuple('_Dimension', ('rows', 'columns'))('ROWS', 'COLUMNS')

    Value_Input_Option = namedtuple('_Value_Input_Option', ('raw', 'user_entered'))('RAW', 'USER_ENTERED')

    Value_Render_Option = namedtuple('_Value_Render_Option', ["formatted", "unformatted", "formula"]
                                     )("FORMATTED_VALUE", "UNFORMATTED_VALUE", "FORMULA")

    @staticmethod
    def define_cell_range(
            sheet_id,
            start_row_number=1, end_row_number=0,
            start_column_number=None, end_column_number=0):
        """GridRange object"""
        json_body = {
            'sheetId': sheet_id,
            'startRowIndex': start_row_number - 1,
            'endRowIndex': end_row_number,
            'startColumnIndex': start_column_number - 1,
            'endColumnIndex': end_column_number
        }
        return json_body

    @staticmethod
    def define_dimension_range(sheet_id, dimension, start_index, end_index):
        json_body = {
            'sheetId': sheet_id,
            'dimension': dimension,
            'startIndex': start_index,
            'endIndex': end_index
        }
        return json_body


class GoogleCalendarHelper:
    ...


class GoogleDriverHelper:
    ...


if __name__ == '__main__':
    g = GoogleSheetsHelper()
    print(g.Delimiter_Type)