from sqlalchemy import (
    Column,
    Integer,
    String,
    DateTime,
    Float,
    Text,
)
from sqlalchemy.ext.declarative import declarative_base
from datetime import datetime

Base = declarative_base()


class CacheMetadata(Base):
    __tablename__ = "cache_metadata"

    id = Column(Integer, primary_key=True, autoincrement=True)

    cache_type = Column(String(50), unique=True, nullable=False)

    last_refresh = Column(DateTime, default=datetime.now)
    item_count = Column(Integer, default=0)
    refresh_duration_ms = Column(Float, nullable=True)

    last_error = Column(Text, nullable=True)
    error_count = Column(Integer, default=0)

    def __repr__(self):
        return f"<CacheMetadata type={self.cache_type} items={self.item_count}>"