from datetime import datetime

from sqlalchemy import Boolean, DateTime, ForeignKey, String, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base


class Todo(Base):
    __tablename__ = "todos"

    id: Mapped[int] = mapped_column(primary_key=True)
    title: Mapped[str] = mapped_column(String(255))
    done: Mapped[bool] = mapped_column(Boolean, default=False)
    printer_id: Mapped[int | None] = mapped_column(ForeignKey("printers.id"))
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now(), onupdate=func.now()
    )

    printer: Mapped["Printer | None"] = relationship(back_populates="todos")