from dataclasses import dataclass, field
from datetime import date
from typing import Optional, List, Any


@dataclass
class TaxLot:
    id: str
    acquisition_date: date
    basis: float
    quantity: float
    market_value: Optional[float] = None
    lot_status: str = "open"


@dataclass
class Account:
    id: str
    jurisdiction: str
    tax_profile: str


@dataclass
class HarvestAction:
    lot_id: str
    sell_qty: float
    date: date
    expected_gain: float


@dataclass
class PlanDelta:
    actions: List[HarvestAction] = field(default_factory=list)
    metadata: dict = field(default_factory=dict)


@dataclass
class AuditLog:
    entries: List[Any] = field(default_factory=list)