from datetime import datetime

from geoalchemy2 import Geography
from sqlalchemy import DateTime, String, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class City(Base):
    __tablename__ = "cities"

    id: Mapped[int] = mapped_column(primary_key=True)
    slug: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
    name_ru: Mapped[str] = mapped_column(String(128), nullable=False)
    name_en: Mapped[str] = mapped_column(String(128), nullable=False)
    country_code: Mapped[str] = mapped_column(String(2), nullable=False, default="RU")
    center_point = mapped_column(
        Geography(geometry_type="POINT", srid=4326, spatial_index=False), nullable=True
    )
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

    places: Mapped[list["Place"]] = relationship(back_populates="city", cascade="all, delete-orphan")