import uuid
from datetime import datetime

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

from app.database import Base


class Rule(Base):
    __tablename__ = "rules"

    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)
    # section: 'general' | 'costume' | 'scoring' | 'penalty'
    section: Mapped[str] = mapped_column(String(20), nullable=False, default="general")
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    value: Mapped[str | None] = mapped_column(Text)

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

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