from dataclasses import dataclass

from anydi import singleton
from fansifter_common.identifiers.types import ProfileToken

from preference_center.profile.cache import ProfileCache
from preference_center.profile.dispatcher import ProfileDispatcher
from preference_center.profile.services import ProfileService


@dataclass
class DeleteProfileRequest:
    token: ProfileToken


@singleton
class DeleteProfileHandler:
    def __init__(
        self,
        dispatcher: ProfileDispatcher,
        cache: ProfileCache,
        profile_service: ProfileService,
    ) -> None:
        self.dispatcher = dispatcher
        self.cache = cache
        self.profile_service = profile_service

    def handle(self, request: DeleteProfileRequest) -> None:
        identifier = self.profile_service.decode_profile_identifier(request.token)

        profile = self.profile_service.get_profile_by_identifier_cached(identifier)
        profile.deleted = True
        profile.updated_by = identifier.impersonated_by

        # Clear cached profile data
        self.cache.set_profile(identifier, profile)

        # Dispatch the deletion event outside the transaction
        self.dispatcher.dispatch_profile_deleted(
            profile,
            origin_id=identifier.origin_id,
            origin_type=identifier.origin_type,
            automated_email_trigger_id=identifier.automated_email_trigger_id,
        )