from anydi import singleton
from fansifter_common.auth.account import AccountAccess
from fansifter_common.auth.services import AuthService
from fansifter_common.auth.types import Permission

from ows_text_campaigns.rosters.exceptions import ArtistNotInRosterError
from ows_text_campaigns.rosters.repositories import ArtistRosterRepository


@singleton
class ArtistSettingsValidator:
    def __init__(
        self,
        auth_service: AuthService,
        artist_roster_repository: ArtistRosterRepository,
    ) -> None:
        self.auth_service = auth_service
        self.artist_roster_repository = artist_roster_repository

    def validate_roster_access(
        self,
        identity_id: str,
        global_participant_id: str,
        permission: Permission,
    ) -> AccountAccess:
        """Validate that user has permission and access to artist via roster."""
        account_access = self.auth_service.authorize_for_permission(
            identity_id, permission=permission
        )

        has_access = self.artist_roster_repository.exists_by_artist_and_any_account(
            global_participant_id=global_participant_id,
            vendor_ids=account_access.vendor_ids,
            subaccount_ids=account_access.subaccount_ids,
        )
        if not has_access:
            raise ArtistNotInRosterError(
                global_participant_id=global_participant_id,
            )

        return account_access