from sqlalchemy import Column, String, Text, JSON
from app.core.database.db_session import Base

class SeoMetadata(Base):
    __tablename__ = "seo_metadata"

    seo_id = Column(String(26), primary_key=True)
    entity_type = Column(String(30), nullable=False) # product, category, brand, device_model, repair_service
    entity_id = Column(String(26), nullable=False)
    meta_title = Column(String(255), nullable=False)
    meta_description = Column(Text, nullable=False)
    canonical_url = Column(String(500), nullable=True)
    og_image = Column(String(500), nullable=True)
    schema_json = Column(JSON, nullable=True)