from dataclasses import dataclass

from audience_common.auth.account import Account

from campaigns.auth.dtos import User
from campaigns.connectors.db import Database, session_context
from campaigns.core.handler import Handler
from campaigns.meta.models import FacebookPage
from campaigns.meta.services import FacebookPageService


@dataclass(frozen=True)
class GetFacebookUserPageForLabelRequest:
    user: User
    page_id: str
    account: Account


@dataclass
class GetFacebookUserPageForLabelHandler(
    Handler[GetFacebookUserPageForLabelRequest, FacebookPage],
):
    db: Database
    facebook_page_service: FacebookPageService

    @session_context(in_transaction=False)
    async def handle(self, request: GetFacebookUserPageForLabelRequest) -> FacebookPage:
        return await self.facebook_page_service.get_user_page_for_label(
            user=request.user, page_id=request.page_id, account=request.account
        )