from datetime import date, datetime

from sqlalchemy import Date, Numeric, Text, func
from sqlalchemy.orm import Mapped, mapped_column

from app.database import Base


class WeightEntry(Base):
    __tablename__ = "weight_entries"

    id: Mapped[int] = mapped_column(primary_key=True)
    date: Mapped[date] = mapped_column(Date, unique=True)
    weight_lbs: Mapped[float] = mapped_column(Numeric(5, 1))
    body_fat_pct: Mapped[float | None] = mapped_column(Numeric(4, 1), nullable=True)
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(server_default=func.now())