from django.contrib.auth.models import AbstractUser
from django.contrib.auth.models import UserManager as DjangoUserManager
from django.db import models
from django.utils.translation import gettext as _

from django_celery_beat.models import PeriodicTask


class UserManager(DjangoUserManager):
    def _create_user(self, email, password, **extra_fields):
        """
        Create and save a user with the given username, email, and password.
        """
        if not email:
            raise ValueError("The given email must be set")
        email = self.normalize_email(email)
        user = self.model(email=email, **extra_fields)
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_user(self, email, password=None, **extra_fields):
        extra_fields.setdefault("is_staff", False)
        extra_fields.setdefault("is_superuser", False)
        return self._create_user(email, password, **extra_fields)

    def create_superuser(self, email, password, **extra_fields):
        extra_fields.setdefault("is_staff", True)
        extra_fields.setdefault("is_superuser", True)

        if extra_fields.get("is_staff") is not True:
            raise ValueError("Superuser must have is_staff=True.")
        if extra_fields.get("is_superuser") is not True:
            raise ValueError("Superuser must have is_superuser=True.")

        return self._create_user(email, password, **extra_fields)


class User(AbstractUser):
    email = models.EmailField(_("email address"), unique=True)

    # settings
    auto_mark_read = models.BooleanField(
        _("Auto read marking"),
        default=True,
        help_text=_(
            "Wether posts should be marked as read after x amount of seconds of reading"
        ),
    )

    username = None

    objects = UserManager()

    USERNAME_FIELD = "email"
    REQUIRED_FIELDS = []

    def delete(self, *args, **kwargs):
        tasks = PeriodicTask.objects.filter(name__contains=self.email)
        tasks.delete()

        return super().delete(*args, **kwargs)
