"""fin_product 公募基金产品表 ORM 模型。"""
from __future__ import annotations

from datetime import date, datetime
from decimal import Decimal

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

from model.base import Base


class FinProduct(Base):
    __tablename__ = "fin_product"
    __table_args__ = {"comment": "公募基金产品表"}

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
    product_code: Mapped[str] = mapped_column(String(32), unique=True)
    product_name: Mapped[str] = mapped_column(String(128))
    product_type: Mapped[str] = mapped_column(String(32))
    risk_level: Mapped[str] = mapped_column(String(8))
    expected_return: Mapped[Decimal | None] = mapped_column(Numeric(7, 4))
    nav: Mapped[Decimal | None] = mapped_column(Numeric(12, 6))
    nav_date: Mapped[date | None] = mapped_column(Date)
    fee_rate: Mapped[Decimal] = mapped_column(Numeric(6, 4), server_default="0.0000")
    term_days: Mapped[int] = mapped_column(Integer, server_default="0")
    fund_manager: Mapped[str | None] = mapped_column(String(64))
    status: Mapped[str] = mapped_column(String(16), server_default="在售")
    create_time: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
    update_time: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now(), onupdate=func.now()
    )