"""ScoringConfig — single-row table for persisted scoring weights.

Replaces the mutable-settings approach where PATCH /scores/config
mutated the in-process ``Settings`` object (lost on restart).
"""

import uuid

from sqlalchemy import Column, Float, DateTime, func
from sqlalchemy.dialects.postgresql import UUID

from app.database import Base


class ScoringConfig(Base):
    __tablename__ = "scoring_config"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    weight_tests = Column(Float, nullable=False, default=40.0)
    weight_detection_rules = Column(Float, nullable=False, default=20.0)
    weight_d3fend = Column(Float, nullable=False, default=15.0)
    weight_freshness = Column(Float, nullable=False, default=15.0)
    weight_platform_diversity = Column(Float, nullable=False, default=10.0)
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())