from django.contrib.auth.base_user import AbstractBaseUser
from django.db import models
from django.contrib.auth.models import User, PermissionsMixin
from django.utils import timezone

from users.managers import CustomUserManager


class CustomUser(AbstractBaseUser, PermissionsMixin):
    zeus_id = models.IntegerField(unique=True, null=True)
    is_staff = models.BooleanField(default=False)
    username = models.CharField(max_length=50, unique=True)  # zeus username
    student_number = models.CharField(max_length=255, verbose_name="Studentennummer")
    real_name = models.CharField(max_length=100, verbose_name="Echte naam")

    date_joined = models.DateTimeField(default=timezone.now)

    USERNAME_FIELD = 'username'
    REQUIRED_FIELDS = ['zeus_id']

    objects = CustomUserManager()

    def __str__(self):
        return self.username

    @property
    def has_ugent_info(self):
        return self.real_name and self.student_number