from sqlalchemy import Boolean, Column, DateTime, Float, Index, JSON, String, Text
from sqlalchemy.sql import func

from app.db.session import Base


class EarthNewsItem(Base):
    __tablename__ = "earth_news_items"

    id = Column(String(160), primary_key=True)
    title = Column(String(500), nullable=False)
    summary = Column(Text, nullable=False, default="")
    content_language = Column(String(32), nullable=False, default="en")
    localizations = Column(JSON, nullable=False, default=dict)
    url = Column(Text, nullable=False)
    source = Column(String(255), nullable=False, default="")
    feed_name = Column(String(255), nullable=False, default="")
    region = Column(String(80), nullable=False, index=True)
    homepage_url = Column(Text, nullable=False, default="")
    published_at = Column(DateTime(timezone=True), nullable=True, index=True)

    latitude = Column(Float, nullable=False)
    longitude = Column(Float, nullable=False)
    location_label = Column(String(255), nullable=False)
    location_source = Column(String(80), nullable=False, default="region_anchor")
    verified = Column(Boolean, nullable=False, default=False, index=True)
    location_meta = Column(JSON, nullable=False, default=dict)

    first_seen_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
    last_seen_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False, index=True)
    resolved_at = Column(DateTime(timezone=True), nullable=True, index=True)
    enrichment_status = Column(String(80), nullable=False, default="pending", index=True)
    enrichment_error = Column(Text, nullable=True)
    enriched_at = Column(DateTime(timezone=True), nullable=True, index=True)
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())

    __table_args__ = (
        Index("idx_earth_news_region_published", "region", "published_at"),
        Index("idx_earth_news_region_seen", "region", "last_seen_at"),
    )