from sqlalchemy import Column, Integer, String, ForeignKey, Boolean
from sqlalchemy.orm import relationship
from crudkit.core.base import CRUDMixin, Base

class Dbref(Base, CRUDMixin):
    __tablename__ = "dbref"

    type = Column(String, nullable=False)
    name = Column(String, nullable=False)
    is_deleted = Column(Boolean, nullable=False, default=False)

    owner_id = Column(Integer, ForeignKey("dbref.id"))
    location_id = Column(Integer, ForeignKey("dbref.id"))

    owner = relationship("Dbref", remote_side=[CRUDMixin.id], foreign_keys=[owner_id])
    location = relationship("Dbref", remote_side=[CRUDMixin.id], foreign_keys=[location_id])

    __mapper_args__ = {
        "polymorphic_on": type,
        "polymorphic_identity": "dbref"
    }

    def __str__(self):
        return f"#{self.id} ({self.type}): {self.name}"

    def is_type(self, *types: str) -> bool:
        return self.type in types

    @property
    def is_room(self): return self.is_type("room")

    @property
    def is_thing(self): return self.is_type("thing")

    @property
    def is_exit(self): return self.is_type("exit")

    @property
    def is_player(self): return self.is_type("player")

    @property
    def is_program(self): return self.is_type("programI ho")