from __future__ import annotations

from datetime import datetime

from sqlalchemy import Boolean, DateTime, Float, ForeignKey, Integer, String, Text
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.session import Base


class Product(Base):
    __tablename__ = "products"

    id: Mapped[int] = mapped_column(primary_key=True)
    tenant_id: Mapped[str] = mapped_column(String(64), default="default")
    client_name: Mapped[str] = mapped_column(String(255))
    item_id: Mapped[str | None] = mapped_column(String(128), nullable=True)
    name: Mapped[str] = mapped_column(String(255), index=True)
    mix_id: Mapped[int] = mapped_column(ForeignKey("mixes.id"))
    sale_type: Mapped[str] = mapped_column(String(64), default="standard")
    own_bag: Mapped[bool] = mapped_column(Boolean, default=False)
    unit_of_measure: Mapped[str] = mapped_column(String(64), default="20kg bag")
    items_per_pallet: Mapped[int] = mapped_column(Integer, default=50)
    bagging_process: Mapped[str | None] = mapped_column(String(64), nullable=True)
    distributor_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
    wholesale_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)

    mix: Mapped["Mix"] = relationship(back_populates="products")


from app.models.mix import Mix  # noqa: E402