from datetime import datetime

from audience_common.owsclient import OwsClient

from dmp_workflows import config
from dmp_workflows.config import EASTERN_TZ
from dmp_workflows.hooks.auth import m2m_token_manager
from dmp_workflows.hooks.clients.ows_notifications import (
    AudienceDeletedFansReportNotificationArgs,
    OwsNotificationsClient,
)


class EmailHook:
    @classmethod
    def send_fans_deleted_report(cls, fans_count: int) -> bool:
        """
        Send email to the given email address.
        """
        ows_client = OwsClient(
            environment=config.OWS_ENV,
            service_name=config.SERVICE_NAME,
            m2m_token_manager=m2m_token_manager,
        )
        ows_notifications_client = OwsNotificationsClient(
            ows_client=ows_client,
        )
        email_args = AudienceDeletedFansReportNotificationArgs(
            deleted_fans_count=fans_count,
            date=datetime.now(tz=EASTERN_TZ).isoformat(),
            recipients=config.CRM_EMAILS,
            bcc_recipients=config.BCC_EMAILS,
        )
        return ows_notifications_client.send_fans_deleted_report(
            args=email_args,
        )