# models/database/user.py
"""
User model with authentication support.

This module defines the User model which includes fields for user details,
authentication information, and relationships to other models such as Vendor and Customer.
"""
from sqlalchemy import Boolean, Column, DateTime, Integer, String
from sqlalchemy.orm import relationship

# Import Base from the central database module instead of creating a new one
from app.core.database import Base
from models.database.base import TimestampMixin


class User(Base, TimestampMixin):
    """Represents a user in the system."""

    __tablename__ = "users"  # Name of the table in the database

    id = Column(Integer, primary_key=True, index=True)  # Primary key and indexed column for user ID
    email = Column(String, unique=True, index=True, nullable=False)  # Unique, indexed, non-nullable email column
    username = Column(String, unique=True, index=True, nullable=False)  # Unique, indexed, non-nullable username column
    first_name = Column(String)  # Optional first name column
    last_name = Column(String)  # Optional last name column
    hashed_password = Column(String, nullable=False)  # Non-nullable hashed password column
    role = Column(String, nullable=False, default="user")  # Role of the user (default is 'user') //TODO: Change to customer, vendor, admin
    is_active = Column(Boolean, default=True, nullable=False)  # Active status of the user (default is True)
    last_login = Column(DateTime, nullable=True)  # Optional last login timestamp column

    # Relationships
    marketplace_import_jobs = relationship("MarketplaceImportJob",
                                           back_populates="user")  # Relationship with import jobs
    owned_vendors = relationship("Vendor", back_populates="owner")  # Relationship with vendors owned by this user
    vendor_memberships = relationship("VendorUser", foreign_keys="[VendorUser.user_id]",
                                      back_populates="user")  # Relationship with vendor memberships

    def __repr__(self):
        """String representation of the User object."""
        return f"<User(id={self.id}, username='{self.username}', email='{self.email}', role='{self.role}')>"

    @property
    def full_name(self):
        """Returns the full name of the user, combining first and last names if available."""
        if self.first_name and self.last_name:
            return f"{self.first_name} {self.last_name}"
        return self.username