from collections.abc import Sequence
from dataclasses import dataclass

from anydi import singleton
from fansifter_common.auth.requests import AuthRequest
from fansifter_common.auth.services import AuthService
from fansifter_common.auth.types import Permission

from dmp.ad_reporting.repositories import AdReportingCampaignRepository
from dmp.ad_reporting.services import AdReportingAccountService


@dataclass(kw_only=True)
class GetAdReportingCampaignsArtistsRequest(AuthRequest):
    pass


@singleton
class GetAdReportingCampaignsArtistsHandler:
    permission = Permission("ad_campaign", "view")

    def __init__(
        self,
        auth_service: AuthService,
        campaign_repository: AdReportingCampaignRepository,
        account_service: AdReportingAccountService,
    ) -> None:
        self.auth_service = auth_service
        self.campaign_repository = campaign_repository
        self.account_service = account_service

    def handle(self, request: GetAdReportingCampaignsArtistsRequest) -> Sequence[str]:
        account_access = self.auth_service.authorize_for_permission(
            request.identity_id,
            permission=self.permission,
        )
        account_ids = self.account_service.get_allowed_account_ids(account_access)
        return (
            self.campaign_repository.find_unique_global_participant_ids_by_account_ids(
                account_ids=account_ids,
            )
        )