"""基金业绩指标缓存 ORM 模型。"""
from __future__ import annotations

from datetime import date, datetime
from decimal import Decimal

from sqlalchemy import BigInteger, Date, DateTime, Numeric, String, func
from sqlalchemy.orm import Mapped, mapped_column

from model.base import Base


class FundPerformance(Base):
    __tablename__ = "fund_performance"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
    product_id: Mapped[int] = mapped_column(BigInteger, index=True)
    period: Mapped[str] = mapped_column(String(16))
    return_rate: Mapped[Decimal | None] = mapped_column(Numeric(10, 4))
    annual_volatility: Mapped[Decimal | None] = mapped_column(Numeric(10, 4))
    max_drawdown: Mapped[Decimal | None] = mapped_column(Numeric(10, 4))
    sharpe: Mapped[Decimal | None] = mapped_column(Numeric(10, 4))
    calc_date: Mapped[date] = mapped_column(Date)
    create_time: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())