from sqlalchemy import Column, Integer, String, Text, ForeignKey
from sqlalchemy.orm import relationship
from geoalchemy2 import Geometry
from app.models.base import Base

class Camp(Base):
    __tablename__ = "camps"

    id = Column(Integer, primary_key=True, index=True)
    route_id = Column(Integer, ForeignKey("routes.id", ondelete="CASCADE"))
    name = Column(String(50), nullable=False)
    elevation_m = Column(Integer)
    # PostGIS Point
    location = Column(Geometry("POINT", srid=4326))
    camp_type = Column(String(20)) # BaseCamp, Camp, Summit
    description = Column(Text)

    # Relationships
    route = relationship("Route", back_populates="camps")