from __future__ import annotations

from collections.abc import Sequence

from govoplan_core.core.dsar import (
    DsarErasureActionRef,
    DsarExecutionResultRef,
    DsarRecordRef,
    DsarSubjectRef,
    dsar_capability_name,
)


ADMIN_DSAR_CAPABILITY = dsar_capability_name("admin")


class AdminDsarProvider:
    """Declare the reviewed absence of subject data in Admin-owned tables."""

    provider_id = "admin"
    module_id = "admin"

    def search_subject(
        self,
        session: object,
        *,
        tenant_id: str,
        subject: DsarSubjectRef,
    ) -> Sequence[DsarRecordRef]:
        del session, tenant_id, subject
        return ()

    def plan_erasure(
        self,
        session: object,
        *,
        tenant_id: str,
        subject: DsarSubjectRef,
        records: Sequence[DsarRecordRef],
    ) -> Sequence[DsarErasureActionRef]:
        del session, tenant_id, subject
        if records:
            raise ValueError("Admin DSAR cannot plan records it does not own.")
        return ()

    def execute_erasure(
        self,
        session: object,
        *,
        tenant_id: str,
        subject: DsarSubjectRef,
        actions: Sequence[DsarErasureActionRef],
        request_id: str,
    ) -> Sequence[DsarExecutionResultRef]:
        del session, tenant_id, subject, request_id
        if actions:
            raise ValueError("Admin DSAR cannot execute actions it does not own.")
        return ()


__all__ = ["ADMIN_DSAR_CAPABILITY", "AdminDsarProvider"]