from google.oauth2.credentials import Credentials as OAuthCredentials  # type: ignore
from google.oauth2.service_account import Credentials as ServiceAccountCredentials  # type: ignore
from googleapiclient.discovery import build  # type: ignore
from googleapiclient.discovery import Resource  # type: ignore


class GoogleDriveService(Resource):
    pass


class GoogleDocsService(Resource):
    pass


class AdminService(Resource):
    pass


class GmailService(Resource):
    pass


def _get_google_service(
    service_name: str,
    service_version: str,
    creds: ServiceAccountCredentials | OAuthCredentials,
    user_email: str | None = None,
) -> GoogleDriveService | GoogleDocsService | AdminService | GmailService:
    service: Resource
    if isinstance(creds, ServiceAccountCredentials):
        creds = creds.with_subject(user_email)
        service = build(service_name, service_version, credentials=creds)
    elif isinstance(creds, OAuthCredentials):
        service = build(service_name, service_version, credentials=creds)

    return service


def get_google_docs_service(
    creds: ServiceAccountCredentials | OAuthCredentials,
    user_email: str | None = None,
) -> GoogleDocsService:
    return _get_google_service("docs", "v1", creds, user_email)


def get_drive_service(
    creds: ServiceAccountCredentials | OAuthCredentials,
    user_email: str | None = None,
) -> GoogleDriveService:
    return _get_google_service("drive", "v3", creds, user_email)


def get_admin_service(
    creds: ServiceAccountCredentials | OAuthCredentials,
    user_email: str | None = None,
) -> AdminService:
    return _get_google_service("admin", "directory_v1", creds, user_email)


def get_gmail_service(
    creds: ServiceAccountCredentials | OAuthCredentials,
    user_email: str | None = None,
) -> GmailService:
    return _get_google_service("gmail", "v1", creds, user_email)