from __future__ import annotations

from typing import Dict

from .contracts import LocalProblem, SharedVariables, DualVariables, PlanDelta


class CatOptBridge:
    """Minimal bridge translating between domain LocalProblem and canonical form."""

    @staticmethod
    def to_canonical(lp: LocalProblem) -> Dict[str, object]:
        # Very lightweight translation: wrap payload with id
        return {"object_id": lp.asset_id, "payload": lp.payload}

    @staticmethod
    def from_canonical(data: Dict[str, object]) -> LocalProblem:
        asset_id = str(data.get("object_id", "unknown"))
        payload = dict(data.get("payload", {}))
        return LocalProblem(asset_id=asset_id, payload=payload)