import uuid
from datetime import datetime
from sqlalchemy import String, Text, DateTime, Boolean
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column


from .base import Base


class MLModel(Base):
    __tablename__ = "ml_models"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    name: Mapped[str] = mapped_column(String(100), nullable=False, unique=True)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=datetime.utcnow, nullable=False
    )
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)