from __future__ import annotations

from enum import Enum
from uuid import uuid4

from sqlalchemy import Boolean, String
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base, TimestampMixin


class UserRole(str, Enum):
    ADMIN = "admin"
    USER = "user"


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

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
    email: Mapped[str] = mapped_column(String(255), unique=True, index=True)
    full_name: Mapped[str] = mapped_column(String(255))
    password_hash: Mapped[str] = mapped_column(String(255))
    role: Mapped[str] = mapped_column(String(32), default=UserRole.USER.value)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)

    predictions = relationship("PredictionLog", back_populates="user", cascade="all, delete-orphan")