from __future__ import annotations

from sqlalchemy import Enum as SAEnum, ForeignKey, String
from sqlalchemy.orm import Mapped, mapped_column, relationship

from .base import Base, TimestampMixin, UserRole


class User(Base, TimestampMixin):
    __tablename__ = "users"

    id: Mapped[int] = mapped_column(primary_key=True)
    dataset_id: Mapped[int | None] = mapped_column(
        ForeignKey("datasets.id"), nullable=True, index=True
    )
    name: Mapped[str] = mapped_column(String(120))
    email: Mapped[str] = mapped_column(String(255), unique=True, index=True)
    phone: Mapped[str | None] = mapped_column(String(40), nullable=True)
    zip: Mapped[str] = mapped_column(String(10))
    # null for anonymous-only / finders without a usable login
    password_hash: Mapped[str | None] = mapped_column(String(255), nullable=True)
    role: Mapped[UserRole] = mapped_column(
        SAEnum(UserRole, native_enum=False), default=UserRole.owner
    )

    dogs: Mapped[list["KnownDog"]] = relationship(  # noqa: F821
        back_populates="owner", cascade="all, delete-orphan"
    )