from googleapiclient.discovery import build
from oauth2client.service_account import ServiceAccountCredentials
from datetime import date, timedelta, datetime
import csv


def get_service(api_name, api_version, scopes, key_file_location):
    credentials = ServiceAccountCredentials.from_json_keyfile_name(
        key_file_location, scopes=scopes
    )

    # Build the service object.data
    service = build(api_name, api_version, credentials=credentials)

    return service


def get_results(service, profile_id):
    # Use the Analytics Service Object to query the Core Reporting API
    # for the number of sessions within the past seven days.
    return service.data().mcf().get(
        ids='ga:' + '201492804',  # start_date = '2019-10-13',
        start_date='2019-10-01',
        end_date='2019-10-13',
        metrics='mcf:firstInteractionConversions',
        # dimensions = 'mcf:conversionDate,mcf:source,mcf:sourceMedium,mcf:campaignName,mcf:adwordsAdContent,mcf:basicChannelGrouping',
        dimensions='mcf:sourceMediumPath',  # sort = 'mcf:conversionDate',
        filters='mcf:conversionGoalNumber==020',
        max_results='5000'
    ).execute()


def print_results(results):
    if not results.get('rows', []):
        return

    for row in results.get('rows'):
        res = ','.join([get_value(i) for i in row])
        print(res)


def get_value(obj: dict):
    if 'nodeValue' in obj:
        return obj['nodeValue']
    elif 'primitiveValue' in obj:
        return obj['primitiveValue']
    elif 'conversionPathValue' in obj:
        return ' > '.join([get_value(i) for i in obj['conversionPathValue']])
    else:
        return ''


def main():
    # Define the auth scopes to request.
    scope = 'https://www.googleapis.com/auth/analytics.readonly'
    key_file_location = 'C:\\Users\\этикет по Китикету\\Downloads\\BBDO-Digital-Console-1074d9efc275.json'

    # Authenticate and construct service.
    service = get_service(
        api_name='analytics',
        api_version='v3',
        scopes=[scope],
        key_file_location=key_file_location)

    profile_id = '201492804'

    print_results(get_results(service, profile_id))


if __name__ == '__main__':
    main()