import uuid
from datetime import datetime

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

from app.database import Base


class Discipline(Base):
    __tablename__ = "disciplines"

    id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), primary_key=True, default=uuid.uuid4)
    championship_id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), ForeignKey("championships.id", ondelete="CASCADE"), nullable=False)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    levels: Mapped[list | None] = mapped_column(JSON)  # e.g. ["Amateur", "Pro", "Open"]

    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

    championship: Mapped["Championship"] = relationship(back_populates="disciplines")  # type: ignore[name-defined]