from __future__ import annotations

"""Toy broker adapter.
Accepts PlanDelta-like dicts and records execution plan with per-order metadata.
"""

from typing import List, Dict, Any
import time


class BrokerAdapter:
    def __init__(self, venue_name: str = "venue-1") -> None:
        self.venue_name = venue_name
        self.executed: List[Dict[str, Any]] = []

    def route(self, plan_delta: Dict[str, Any]) -> None:
        # naive simulated execution: record legs with venue assignment
        ts = time.time()
        for leg in plan_delta.get("legs", []):
            self.executed.append({
                "venue": self.venue_name,
                "leg": leg,
                "ts": ts,
            })

    def history(self) -> List[Dict[str, Any]]:
        return list(self.executed)