from sqlalchemy import Column, String, Integer, BigInteger, DateTime, DECIMAL, ForeignKey
from sqlalchemy.sql import func
from app.database import Base

class AppMetrics(Base):
    __tablename__ = "app_metrics"
    
    id = Column(BigInteger, primary_key=True, autoincrement=True)
    app_id = Column(String(50), ForeignKey("app_info.app_id", ondelete="CASCADE"), nullable=False, index=True)
    pkg_name = Column(String(255), ForeignKey("app_info.pkg_name", ondelete="CASCADE"), nullable=False, index=True)
    version = Column(String(50), nullable=False)
    size_bytes = Column(BigInteger, nullable=False)
    download_count = Column(BigInteger, nullable=False, index=True)
    release_date = Column(BigInteger, nullable=False)
    created_at = Column(DateTime, nullable=False, server_default=func.now(), index=True)