from typing import TYPE_CHECKING

from sqlalchemy import BIGINT, INTEGER, Enum, ForeignKey
from sqlalchemy.orm import Mapped, mapped_column, relationship

from db.base import Base
from misc.pally import BillStatus

if TYPE_CHECKING:
    from db.models.users import User


class Bill(Base):
    __tablename__ = "bills"

    id: Mapped[int] = mapped_column(
        BIGINT, autoincrement=True, unique=True, nullable=False, primary_key=True
    )
    creator_id: Mapped[int] = mapped_column(BIGINT, ForeignKey("users.id"), nullable=False)
    amount: Mapped[int] = mapped_column(INTEGER, nullable=False)
    status: Mapped[BillStatus] = mapped_column(
        Enum(BillStatus), nullable=False, default=BillStatus.NEW
    )

    user: Mapped["User"] = relationship(
        "User",
        back_populates="bills",
    )