"""ADMM-lite style coordination skeleton for cross-venue coherence."""
from __future__ import annotations

from typing import List

from deltaforge_mvp.core import PlanDelta, StrategyDelta


class LocalRiskSolver:
    def __init__(self, venue_name: str):
        self.venue_name = venue_name

    def propose(self, signals: List[StrategyDelta]) -> PlanDelta:
        # Minimal heuristic: aggregate deltas and propose a single PlanDelta per venue
        # In real system this would solve a convex program; here we pass through the deltas.
        pd = PlanDelta(deltas=signals, venue=self.venue_name, author="local-solver")
        return pd


class CentralCurator:
    def __init__(self):
        pass

    def enforce(self, plans: List[PlanDelta]) -> PlanDelta:
        # Naive: merge all deltas into a single PlanDelta with combined deltas
        merged = []
        for p in plans:
            merged.extend(p.deltas)
        return PlanDelta(deltas=merged, venue=None, author="curator")