from __future__ import annotations

from typing import TYPE_CHECKING

from sqlalchemy import ForeignKey, Integer
from sqlalchemy.orm import Mapped, mapped_column, relationship

from fooder.domain.base import Base, CommonMixin, EntryMacrosMixin
from fooder.domain.product import Product

if TYPE_CHECKING:
    from fooder.domain.meal import Meal


class Entry(Base, CommonMixin, EntryMacrosMixin):
    """Entry."""

    grams: Mapped[float]
    product_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("product.id"), index=True
    )
    product: Mapped[Product] = relationship(lazy="selectin")
    meal_id: Mapped[int] = mapped_column(Integer, ForeignKey("meal.id"), index=True)
    meal: Mapped[Meal] = relationship(back_populates="entries")