from sqlalchemy import ForeignKey, SmallInteger, String, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.core.database import Base


class Route(Base):
    __tablename__ = "routes"
    __table_args__ = (
        UniqueConstraint("game_id", "name", name="uq_routes_game_name"),
    )

    id: Mapped[int] = mapped_column(primary_key=True)
    name: Mapped[str] = mapped_column(String(100))
    game_id: Mapped[int] = mapped_column(ForeignKey("games.id"), index=True)
    order: Mapped[int] = mapped_column(SmallInteger)

    game: Mapped["Game"] = relationship(back_populates="routes")
    route_encounters: Mapped[list["RouteEncounter"]] = relationship(
        back_populates="route"
    )
    encounters: Mapped[list["Encounter"]] = relationship(back_populates="route")

    def __repr__(self) -> str:
        return f"<Route(id={self.id}, name='{self.name}')>"