from typing import TYPE_CHECKING

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

from models.base import BaseModel
from models.mixins import SoftDeleteMixin, CreatedAtMixin, IdMixin

if TYPE_CHECKING:
    from models import Status, Board, CardStatusHistory


class Deal(BaseModel, IdMixin, SoftDeleteMixin, CreatedAtMixin):
    __tablename__ = "deals"

    name: Mapped[str] = mapped_column(nullable=False)
    lexorank: Mapped[str] = mapped_column(nullable=False)

    status_id: Mapped[int] = mapped_column(
        ForeignKey("statuses.id"),
        nullable=False,
        comment="Текущий статус",
    )
    status: Mapped["Status"] = relationship(lazy="noload")

    board_id: Mapped[int] = mapped_column(
        ForeignKey("boards.id"), nullable=True, server_default="1"
    )
    board: Mapped["Board"] = relationship(back_populates="deals")

    status_history: Mapped[list["CardStatusHistory"]] = relationship(
        back_populates="deal",
        cascade="all, delete-orphan",
        lazy="noload",
    )