from typing import Optional
from sqlalchemy import Column, Integer, String, Boolean, DateTime
from sqlalchemy.orm import declarative_base

Base = declarative_base()

class UserModel(Base):
    """
    SQLAlchemy ORM model mapping to existing 'users' table in MySQL.
    We are only mapping the fields necessary for login and basic usage to start.
    """
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(255), nullable=True)
    username = Column(String(255), unique=True, index=True)
    email = Column(String(255), unique=True, index=True)
    password = Column(String(255))
    user_type = Column(Integer, nullable=True)  # FK to user_types.id — used for RBAC role lookup
    deleted_at = Column(DateTime, nullable=True)