from sqlalchemy import Boolean, Column, Integer, String
from sqlalchemy.orm import relationship

from app.db.base import Base


class User(Base):
    """
    User model for authentication and authorization.
    """
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True, nullable=False)
    email = Column(String, unique=True, index=True, nullable=False)
    hashed_password = Column(String, nullable=False)
    full_name = Column(String)
    is_active = Column(Boolean, default=True)
    is_superuser = Column(Boolean, default=False)
    
    # Relationships
    transactions = relationship("Transaction", back_populates="user")