from django.db import models
from guardian.mixins import GuardianUserMixin
from django.contrib.auth.models import AbstractUser, UserManager, send_mail
from django.utils import timezone

class GeneralUser(AbstractUser, GuardianUserMixin):

    username = models.CharField(
        ('username'),
        max_length=150,
        unique=True,
        help_text=('Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.'),
        error_messages={
            'unique': ("A user with that username already exists."),
        },
    )
    password = models.CharField(max_length=100)
    email = models.EmailField(('email address'), blank=True)

    is_active = models.BooleanField(
        ('active'),
        default=True,
        help_text=(
            'Designates whether this user should be treated as active. '
            'Unselect this instead of deleting accounts.'
        ),
    )

    objects = UserManager()

    date_joined = models.DateTimeField(('date joined'), default=timezone.now)
    business_name = models.CharField(('business name'), max_length=150, blank=True)

    USERNAME_FIELD = 'username'


    def email_user(self, subject, message, from_email=None, **kwargs):
        """
        Sends an email to this User.
        """
        send_mail(subject, message, from_email, [self.email], **kwargs)


def get_custom_anon_user(User):
    return User(
        username='AnonymousUser',
    )