from __future__ import annotations
from typing import List

from .dsl import PlanDelta, StrategyDelta


class ExecutionEngine:
    """Minimal, latency-aware router that would dispatch actions to venues."""

    def __init__(self):
        pass

    def route(self, plan: PlanDelta) -> List[str]:
        # In this MVP, we simply return venue labels for actions as a stub
        venue_actions = []
        for a in plan.actions:
            venue_actions.append(f"venue-A/{a.asset.symbol}:{a.delta}")
        if not venue_actions:
            venue_actions.append("no-actions")
        return venue_actions