"""Venue adapter contracts for DITAv2."""

from __future__ import annotations

from dataclasses import dataclass, field
from datetime import datetime
from typing import Any, Dict, List, Optional, Protocol

from .contracts import (
    KernelCommandType,
    KernelIntent,
    KernelEventKind,
    TradeSide,
    VenueEvent,
    VenueEventStatus,
    VenueOrder,
    VenueOrderStatus,
)


class VenueAdapter(Protocol):
    """Abstract venue adapter used by the kernel."""

    def submit(self, intent: KernelIntent) -> List[VenueEvent]:
        ...

    def cancel(self, order: VenueOrder, *, reason: str = "") -> List[VenueEvent]:
        ...

    def open_orders(self) -> List[VenueOrder]:
        ...

    def open_positions(self) -> List[Dict[str, Any]]:
        ...

    def reconcile(self) -> List[VenueEvent]:
        ...