from collections.abc import Sequence
from dataclasses import dataclass

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

from preference_center.profile.models import Subscription
from preference_center.profile.services import ProfileService


@dataclass
class GetSubscriptionsRequest:
    token: ProfileToken


@singleton
class GetSubscriptionsHandler:
    def __init__(self, profile_service: ProfileService) -> None:
        self.profile_service = profile_service

    def handle(self, request: GetSubscriptionsRequest) -> Sequence[Subscription]:
        identifier = self.profile_service.decode_profile_identifier(request.token)
        profile = self.profile_service.get_profile_by_identifier_cached(identifier)
        return self.profile_service.get_subscriptions_cached(profile.id)