from sqlalchemy import Boolean, Column, DateTime, Integer, String, Text
from sqlalchemy.sql import func

from app.db.session import Base


class Todo(Base):
    """SQLAlchemy Todo model."""
    
    __tablename__ = "todos"
    
    id = Column(Integer, primary_key=True, index=True)
    title = Column(String(100), nullable=False)
    description = Column(Text, nullable=True)
    completed = Column(Boolean, default=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())