from sqlalchemy import Column, Integer, String, DateTime
from datetime import datetime
from app.core.database import Base


class UserSession(Base):
    __tablename__ = "user_sessions"

    id = Column(Integer, primary_key=True, index=True)
    session_id = Column(String(100), unique=True, index=True, nullable=False)
    user_name = Column(String(150), nullable=True)
    employee_id = Column(String(100), nullable=True)
    department = Column(String(150), nullable=True)
    device_name = Column(String(150), nullable=True)
    started_at = Column(DateTime, default=datetime.utcnow)
    last_activity_at = Column(DateTime, default=datetime.utcnow)