"""
User authentication models
"""
from sqlalchemy import Column, Integer, String, Boolean, DateTime
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.models.base import BaseModel


class User(BaseModel):
    """
    User authentication and authorization
    """
    __tablename__ = "users"
    
    id = Column(Integer, primary_key=True, autoincrement=True)
    username = Column(String(50), unique=True, nullable=False, index=True)
    email = Column(String(100), unique=True, nullable=False, index=True)
    hashed_password = Column(String(100), nullable=False)
    first_name = Column(String(50))
    last_name = Column(String(50))
    full_name = Column(String(100))  # Keep for backward compatibility
    
    # Authorization
    is_active = Column(Boolean, default=True, nullable=False)
    is_admin = Column(Boolean, default=False, nullable=False)
    is_approver = Column(Boolean, default=False, nullable=False)
    
    # User Preferences
    theme_preference = Column(String(10), default='light')  # 'light', 'dark'
    
    # Activity tracking
    last_login = Column(DateTime(timezone=True))
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
    
    # Relationships
    audit_logs = relationship("AuditLog", back_populates="user")
    submitted_tickets = relationship("SupportTicket", foreign_keys="SupportTicket.user_id", back_populates="submitter")
    
    def __repr__(self):
        return f"<User(username='{self.username}', email='{self.email}')>"