import enum
from datetime import datetime
from sqlalchemy import String, Boolean, DateTime
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy import Enum as SAEnum
from app.core.database import Base


class UserRole(str, enum.Enum):
    pending = "pending"
    approved = "approved"
    admin = "admin"


class User(Base):
    __tablename__ = "users"
    id: Mapped[int] = mapped_column(primary_key=True)
    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False, index=True)
    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
    display_name: Mapped[str | None] = mapped_column(String(100))
    role: Mapped[UserRole] = mapped_column(SAEnum(UserRole), default=UserRole.pending, nullable=False)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)