# src/models/ml_output.py
from __future__ import annotations
import uuid
from datetime import datetime
from typing import Optional

from sqlalchemy import String, Float, DateTime, ForeignKey
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.sql import func
from sqlalchemy.dialects.postgresql import UUID

from .base import Base 


class MLOutput(Base):
    __tablename__ = "ml_outputs"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)


    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now()
    )

    input_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("ml_inputs.id", ondelete="CASCADE"), nullable=False
    )

    prediction: Mapped[str] = mapped_column(String(255), nullable=False)
    prob: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    error: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)