"""
Overlay raw event models — headline events from the Yahoo RSS adapter.
"""

from sqlalchemy import Column, String, Index, JSON, Text
from sqlalchemy.dialects.postgresql import UUID, TIMESTAMP
from datetime import datetime, timezone
import uuid

from app.core.database import Base


class OverlayHeadlineEvent(Base):
    __tablename__ = "overlay_headline_events"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    article_guid = Column(String(500), unique=True, nullable=False)
    title = Column(Text, nullable=False)
    publisher = Column(String(255), nullable=True)
    published_at = Column(TIMESTAMP(timezone=True), nullable=False)
    matched_symbols = Column(JSON, default=list)
    created_at = Column(
        TIMESTAMP(timezone=True), default=lambda: datetime.now(timezone.utc)
    )

    __table_args__ = (
        Index("idx_headline_published_at", "published_at"),
    )