from __future__ import annotations

from collections.abc import Iterable

from sqlalchemy import delete
from sqlalchemy.orm import Session

from rf4_research.gear_components import GearComponentIdentity

from .models import CatchReport, CatchTackleComponent


def replace_tackle_components(
    session: Session,
    report: CatchReport,
    components: Iterable[GearComponentIdentity],
    *,
    source_system: str | None,
    source_url: str | None = None,
    raw_payload: dict | None = None,
) -> None:
    """Replace the ordered evidence for a report while keeping imports idempotent."""
    session.flush()
    session.execute(
        delete(CatchTackleComponent).where(CatchTackleComponent.catch_report_id == report.id)
    )
    session.add_all(
        CatchTackleComponent(
            catch_report_id=report.id,
            role=component.role,
            position=component.position,
            raw_value=component.raw_value,
            source_system=source_system,
            source_external_id=component.source_external_id,
            source_url=source_url,
            raw_payload=raw_payload,
        )
        for component in components
    )