from sqlalchemy import Column, Integer, String, DateTime, Enum
from sqlalchemy.sql import func
from app.models import Base
from app.config import TABLE_PREFIX
import enum

class UserRole(str, enum.Enum):
    admin = "admin"
    user = "user"

class User(Base):
    __tablename__ = f"{TABLE_PREFIX}users"

    id = Column(Integer, primary_key=True, index=True)
    email = Column(String(200), unique=True, index=True, nullable=False)
    ad_username = Column(String(100), nullable=True) # Added to satisfy DB constraint
    department = Column(String(100), nullable=True) # Added to satisfy DB constraint
    password_hash = Column("local_password", String(255), nullable=True)
    display_name = Column(String(100), nullable=True)
    # language = Column(String(10), default="zh-TW") # Not in DB
    role = Column(String(20), default="user") # Simplified from Enum
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())