from sqlalchemy import Boolean, Column, String, DateTime
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from app.db.base_class import Base


class User(Base):
    id = Column(String, primary_key=True, index=True)
    email = Column(String, unique=True, index=True, nullable=False)
    username = Column(String, unique=True, index=True, nullable=False)
    hashed_password = Column(String, nullable=False)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
    
    # Relationship with tasks
    tasks = relationship("Task", back_populates="owner", cascade="all, delete-orphan")